update deprecated org.springframework.lang.Nullable for Spring Boot 4

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/SpringCodegen.java

@@ -551,7 +551,7 @@ public void processOpts() {
         importMapping.put("JsonDeserialize", (useJackson3 ? JACKSON3_PACKAGE : JACKSON2_PACKAGE) + ".databind.annotation.JsonDeserialize");
 
         typeMapping.put("file", "org.springframework.core.io.Resource");
-        importMapping.put("Nullable", "org.springframework.lang.Nullable");
+        importMapping.put("Nullable", isUseSpringBoot4() ? "org.jspecify.annotations.Nullable" : "org.springframework.lang.Nullable");
         importMapping.put("org.springframework.core.io.Resource", "org.springframework.core.io.Resource");
         importMapping.put("DateTimeFormat", "org.springframework.format.annotation.DateTimeFormat");
         importMapping.put("ParameterObject", "org.springdoc.api.annotations.ParameterObject");

modules/openapi-generator/src/test/java/org/openapitools/codegen/cpphttplibserver/CppHttplibServerCodegenModelTest.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.openapitools.codegen.cpphttplib;
+package org.openapitools.codegen.cpphttplibserver;
 
 import org.openapitools.codegen.*;
 import org.openapitools.codegen.languages.CppHttplibServerCodegen;

modules/openapi-generator/src/test/java/org/openapitools/codegen/cpphttplibserver/CppHttplibServerCodegenTest.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.openapitools.codegen.cpphttplib;
+package org.openapitools.codegen.cpphttplibserver;
 
 import static org.openapitools.codegen.utils.StringUtils.underscore;
 

samples/client/others/java/restclient-enum-in-multipart/docs/AllOfSimpleModel.md

@@ -0,0 +1,13 @@
+
+
+# AllOfSimpleModel
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**arrayOfStrings** | **List<String>** |  |  |
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/Animal.md

@@ -0,0 +1,14 @@
+
+
+# Animal
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**className** | **String** |  |  |
+|**color** | **String** |  |  [optional] |
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/AnyTypeTest.md

@@ -0,0 +1,15 @@
+
+
+# AnyTypeTest
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**anyTypeProperty** | **Object** |  |  [optional] |
+|**arrayProp** | **List<String>** | test array in 3.1 spec |  [optional] |
+|**refArrayPrefixItems** | **List<Object>** | An item that was added to the queue.  |  [optional] |
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/ArrayOfSameRef.md

@@ -0,0 +1,15 @@
+
+
+# ArrayOfSameRef
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**arrayFooOne** | [**List<Tag>**](Tag.md) |  |  [optional] |
+|**arrayFooTwo** | [**List<Tag>**](Tag.md) |  |  [optional] |
+|**arrayFooThree** | [**List<Tag>**](Tag.md) |  |  [optional] |
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/Cat.md

@@ -0,0 +1,13 @@
+
+
+# Cat
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**declawed** | **Boolean** |  |  [optional] |
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/Category.md

@@ -0,0 +1,15 @@
+
+
+# Category
+
+A category for a pet
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**id** | **Long** |  |  [optional] |
+|**name** | **String** |  |  [optional] |
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/CircularReference1.md

@@ -0,0 +1,13 @@
+
+
+# CircularReference1
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**prop1** | [**CircularReference2**](CircularReference2.md) |  |  [optional] |
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/CircularReference2.md

@@ -0,0 +1,13 @@
+
+
+# CircularReference2
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**prop1** | [**CircularReference3**](CircularReference3.md) |  |  [optional] |
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/CircularReference3.md

@@ -0,0 +1,13 @@
+
+
+# CircularReference3
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**prop1** | [**CircularReference1**](CircularReference1.md) |  |  [optional] |
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/CodesEnum.md

@@ -0,0 +1,15 @@
+
+
+# CodesEnum
+
+## Enum
+
+
+* `CODE_1` (value: `"Code 1"`)
+
+* `CODE_2` (value: `"Code 2"`)
+
+* `CODE_3` (value: `"Code 3"`)
+
+
+

samples/client/others/java/restclient-enum-in-multipart/docs/DefaultApi.md

@@ -0,0 +1,73 @@
+# DefaultApi
+
+All URIs are relative to *http://petstore.swagger.io/v2*
+
+| Method | HTTP request | Description |
+|------------- | ------------- | -------------|
+| [**fakeWebhooksSourcesDeletedPost**](DefaultApi.md#fakeWebhooksSourcesDeletedPost) | **POST** /fake/webhooks/sources/deleted |  |
+
+
+
+## fakeWebhooksSourcesDeletedPost
+
+> fakeWebhooksSourcesDeletedPost(fakeWebhooksSourcesDeletedPostRequest)
+
+
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.DefaultApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io/v2");
+
+        DefaultApi apiInstance = new DefaultApi(defaultClient);
+        FakeWebhooksSourcesDeletedPostRequest fakeWebhooksSourcesDeletedPostRequest = new FakeWebhooksSourcesDeletedPostRequest(); // FakeWebhooksSourcesDeletedPostRequest | 
+        try {
+            apiInstance.fakeWebhooksSourcesDeletedPost(fakeWebhooksSourcesDeletedPostRequest);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling DefaultApi#fakeWebhooksSourcesDeletedPost");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+| Name | Type | Description  | Notes |
+|------------- | ------------- | ------------- | -------------|
+| **fakeWebhooksSourcesDeletedPostRequest** | [**FakeWebhooksSourcesDeletedPostRequest**](FakeWebhooksSourcesDeletedPostRequest.md)|  | [optional] |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: application/json
+- **Accept**: Not defined
+
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **405** | Invalid input |  -  |
+

samples/client/others/java/restclient-enum-in-multipart/docs/Dog.md

@@ -0,0 +1,13 @@
+
+
+# Dog
+
+
+## Properties
+
+| Name | Type | Description | Notes |
+|------------ | ------------- | ------------- | -------------|
+|**breed** | **String** |  |  [optional] |
+
+
+