Cannot implicitly convert type 'System.Threading.Tasks.Task<string>' to 'string'

'Task<DurableHelpers.OrchestrationStatusDetails>' does not contain a definition for 'RuntimeStatus' and no accessible extension method 'RuntimeStatus' accepting a first argument of type 'Task<DurableHelpers.OrchestrationStatusDetails>' could be found (are you missing a using directive or an assembly reference?)

'Task<DurableHelpers.OrchestrationStatusDetails>' does not contain a definition for 'Output' and no accessible extension method 'Output' accepting a first argument of type 'Task<DurableHelpers.OrchestrationStatusDetails>' could be found (are you missing a using directive or an assembly reference?)

Cannot implicitly convert type 'System.Threading.Tasks.Task<string>' to 'string'

'Task<DurableHelpers.OrchestrationStatusDetails>' does not contain a definition for 'RuntimeStatus' and no accessible extension method 'RuntimeStatus' accepting a first argument of type 'Task<DurableHelpers.OrchestrationStatusDetails>' could be found (are you missing a using directive or an assembly reference?)

'Task<DurableHelpers.OrchestrationStatusDetails>' does not contain a definition for 'Output' and no accessible extension method 'Output' accepting a first argument of type 'Task<DurableHelpers.OrchestrationStatusDetails>' could be found (are you missing a using directive or an assembly reference?)

Process completed with exit code 1.

'IDurableOrchestrationClient.RewindAsync(string, string)' is obsolete: 'This feature is in preview.'

'IDurableOrchestrationClient.GetStatusAsync(DateTime?, DateTime?, IEnumerable<OrchestrationRuntimeStatus>, CancellationToken)' is obsolete

'IDurableOrchestrationClient.GetStatusAsync(OrchestrationStatusQueryCondition, CancellationToken)' is obsolete

DurableClient attribute is applied to a 'ITypedDurableClient' but must be used with either an IDurableClient, IDurableEntityClient, or an IDurableOrchestrationClient.

OrchestrationTrigger is applied to a 'ITypedDurableOrchestrationContext' but must be used with an IDurableOrchestrationContext instead.

OrchestrationTrigger is applied to a 'ITypedDurableOrchestrationContext' but must be used with an IDurableOrchestrationContext instead.

'IDurableOrchestrationClient.RewindAsync(string, string)' is obsolete: 'This feature is in preview.'

'IDurableOrchestrationClient.GetStatusAsync(DateTime?, DateTime?, IEnumerable<OrchestrationRuntimeStatus>, CancellationToken)' is obsolete

'IDurableOrchestrationClient.GetStatusAsync(OrchestrationStatusQueryCondition, CancellationToken)' is obsolete