Add a sample of an enum model array in query params (#12107)

modules/openapi-generator/src/main/resources/dart/libraries/dio/pubspec.mustache

@@ -21,4 +21,4 @@ dev_dependencies:
   built_value_generator: '>=8.1.0 <9.0.0'
   build_runner: any
 {{/useBuiltValue}}
-  test: '>=1.16.0 <1.17.0'
+  test: ^1.16.0

modules/openapi-generator/src/main/resources/dart/libraries/dio/serialization/built_value/api_util.mustache

@@ -58,7 +58,7 @@ dynamic encodeQueryParameter(
   return serialized;
 }
 
-ListParam<T> encodeCollectionQueryParameter<T>(
+ListParam<Object?> encodeCollectionQueryParameter<T>(
   Serializers serializers,
   dynamic value,
   FullType type, {

modules/openapi-generator/src/test/resources/3_0/petstore-with-fake-endpoints-models-for-testing.yaml

@@ -660,6 +660,12 @@ paths:
             enum:
               - 1.1
               - -1.2
+        - name: enum_query_model_array
+          in: query
+          schema:
+            type: array
+            items:
+              $ref: '#/components/schemas/EnumClass'
       responses:
         '400':
           description: Invalid request

samples/client/petstore/csharp/OpenAPIClient/docs/FakeApi.md

@@ -953,7 +953,7 @@ void (empty response body)
 
 ## TestEnumParameters
 
-> void TestEnumParameters (List<string> enumHeaderStringArray = null, string enumHeaderString = null, List<string> enumQueryStringArray = null, string enumQueryString = null, int? enumQueryInteger = null, double? enumQueryDouble = null, List<string> enumFormStringArray = null, string enumFormString = null)
+> void TestEnumParameters (List<string> enumHeaderStringArray = null, string enumHeaderString = null, List<string> enumQueryStringArray = null, string enumQueryString = null, int? enumQueryInteger = null, double? enumQueryDouble = null, List<EnumClass> enumQueryModelArray = null, List<string> enumFormStringArray = null, string enumFormString = null)
 
 To test enum parameters
 
@@ -982,13 +982,14 @@ namespace Example
             var enumQueryString = "_abc";  // string | Query parameter enum test (string) (optional)  (default to -efg)
             var enumQueryInteger = 1;  // int? | Query parameter enum test (double) (optional) 
             var enumQueryDouble = 1.1D;  // double? | Query parameter enum test (double) (optional) 
+            var enumQueryModelArray = new List<EnumClass>(); // List<EnumClass> |  (optional) 
             var enumFormStringArray = new List<string>(); // List<string> | Form parameter enum test (string array) (optional)  (default to $)
             var enumFormString = "_abc";  // string | Form parameter enum test (string) (optional)  (default to -efg)
 
             try
             {
                 // To test enum parameters
-                apiInstance.TestEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString);
+                apiInstance.TestEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString);
             }
             catch (ApiException e)
             {
@@ -1012,6 +1013,7 @@ Name | Type | Description  | Notes
  **enumQueryString** | **string**| Query parameter enum test (string) | [optional] [default to -efg]
  **enumQueryInteger** | **int?**| Query parameter enum test (double) | [optional] 
  **enumQueryDouble** | **double?**| Query parameter enum test (double) | [optional] 
+ **enumQueryModelArray** | [**List&lt;EnumClass&gt;**](EnumClass.md)|  | [optional] 
  **enumFormStringArray** | [**List&lt;string&gt;**](string.md)| Form parameter enum test (string array) | [optional] [default to $]
  **enumFormString** | **string**| Form parameter enum test (string) | [optional] [default to -efg]
 

samples/client/petstore/csharp/OpenAPIClient/src/Org.OpenAPITools/Api/FakeApi.cs

@@ -320,10 +320,11 @@ namespace Org.OpenAPITools.Api
         /// <param name="enumQueryString">Query parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="enumQueryInteger">Query parameter enum test (double) (optional)</param>
         /// <param name="enumQueryDouble">Query parameter enum test (double) (optional)</param>
+        /// <param name="enumQueryModelArray"> (optional)</param>
         /// <param name="enumFormStringArray">Form parameter enum test (string array) (optional, default to $)</param>
         /// <param name="enumFormString">Form parameter enum test (string) (optional, default to -efg)</param>
         /// <returns></returns>
-        void TestEnumParameters (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string));
+        void TestEnumParameters (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<EnumClass> enumQueryModelArray = default(List<EnumClass>), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string));
 
         /// <summary>
         /// To test enum parameters
@@ -338,10 +339,11 @@ namespace Org.OpenAPITools.Api
         /// <param name="enumQueryString">Query parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="enumQueryInteger">Query parameter enum test (double) (optional)</param>
         /// <param name="enumQueryDouble">Query parameter enum test (double) (optional)</param>
+        /// <param name="enumQueryModelArray"> (optional)</param>
         /// <param name="enumFormStringArray">Form parameter enum test (string array) (optional, default to $)</param>
         /// <param name="enumFormString">Form parameter enum test (string) (optional, default to -efg)</param>
         /// <returns>ApiResponse of Object(void)</returns>
-        ApiResponse<Object> TestEnumParametersWithHttpInfo (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string));
+        ApiResponse<Object> TestEnumParametersWithHttpInfo (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<EnumClass> enumQueryModelArray = default(List<EnumClass>), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string));
         /// <summary>
         /// Fake endpoint to test group parameters (optional)
         /// </summary>
@@ -771,11 +773,12 @@ namespace Org.OpenAPITools.Api
         /// <param name="enumQueryString">Query parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="enumQueryInteger">Query parameter enum test (double) (optional)</param>
         /// <param name="enumQueryDouble">Query parameter enum test (double) (optional)</param>
+        /// <param name="enumQueryModelArray"> (optional)</param>
         /// <param name="enumFormStringArray">Form parameter enum test (string array) (optional, default to $)</param>
         /// <param name="enumFormString">Form parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="cancellationToken">Cancellation Token to cancel request (optional) </param>
         /// <returns>Task of void</returns>
-        System.Threading.Tasks.Task TestEnumParametersAsync (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string), CancellationToken cancellationToken = default(CancellationToken));
+        System.Threading.Tasks.Task TestEnumParametersAsync (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<EnumClass> enumQueryModelArray = default(List<EnumClass>), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string), CancellationToken cancellationToken = default(CancellationToken));
 
         /// <summary>
         /// To test enum parameters
@@ -790,11 +793,12 @@ namespace Org.OpenAPITools.Api
         /// <param name="enumQueryString">Query parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="enumQueryInteger">Query parameter enum test (double) (optional)</param>
         /// <param name="enumQueryDouble">Query parameter enum test (double) (optional)</param>
+        /// <param name="enumQueryModelArray"> (optional)</param>
         /// <param name="enumFormStringArray">Form parameter enum test (string array) (optional, default to $)</param>
         /// <param name="enumFormString">Form parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="cancellationToken">Cancellation Token to cancel request (optional) </param>
         /// <returns>Task of ApiResponse</returns>
-        System.Threading.Tasks.Task<ApiResponse<Object>> TestEnumParametersWithHttpInfoAsync (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string), CancellationToken cancellationToken = default(CancellationToken));
+        System.Threading.Tasks.Task<ApiResponse<Object>> TestEnumParametersWithHttpInfoAsync (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<EnumClass> enumQueryModelArray = default(List<EnumClass>), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string), CancellationToken cancellationToken = default(CancellationToken));
         /// <summary>
         /// Fake endpoint to test group parameters (optional)
         /// </summary>
@@ -2894,12 +2898,13 @@ namespace Org.OpenAPITools.Api
         /// <param name="enumQueryString">Query parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="enumQueryInteger">Query parameter enum test (double) (optional)</param>
         /// <param name="enumQueryDouble">Query parameter enum test (double) (optional)</param>
+        /// <param name="enumQueryModelArray"> (optional)</param>
         /// <param name="enumFormStringArray">Form parameter enum test (string array) (optional, default to $)</param>
         /// <param name="enumFormString">Form parameter enum test (string) (optional, default to -efg)</param>
         /// <returns></returns>
-        public void TestEnumParameters (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string))
+        public void TestEnumParameters (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<EnumClass> enumQueryModelArray = default(List<EnumClass>), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string))
         {
-             TestEnumParametersWithHttpInfo(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString);
+             TestEnumParametersWithHttpInfo(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString);
         }
 
         /// <summary>
@@ -2912,10 +2917,11 @@ namespace Org.OpenAPITools.Api
         /// <param name="enumQueryString">Query parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="enumQueryInteger">Query parameter enum test (double) (optional)</param>
         /// <param name="enumQueryDouble">Query parameter enum test (double) (optional)</param>
+        /// <param name="enumQueryModelArray"> (optional)</param>
         /// <param name="enumFormStringArray">Form parameter enum test (string array) (optional, default to $)</param>
         /// <param name="enumFormString">Form parameter enum test (string) (optional, default to -efg)</param>
         /// <returns>ApiResponse of Object(void)</returns>
-        public ApiResponse<Object> TestEnumParametersWithHttpInfo (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string))
+        public ApiResponse<Object> TestEnumParametersWithHttpInfo (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<EnumClass> enumQueryModelArray = default(List<EnumClass>), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string))
         {
 
             var localVarPath = "/fake";
@@ -2943,6 +2949,7 @@ namespace Org.OpenAPITools.Api
             if (enumQueryString != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("", "enum_query_string", enumQueryString)); // query parameter
             if (enumQueryInteger != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("", "enum_query_integer", enumQueryInteger)); // query parameter
             if (enumQueryDouble != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("", "enum_query_double", enumQueryDouble)); // query parameter
+            if (enumQueryModelArray != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("multi", "enum_query_model_array", enumQueryModelArray)); // query parameter
             if (enumHeaderStringArray != null) localVarHeaderParams.Add("enum_header_string_array", this.Configuration.ApiClient.ParameterToString(enumHeaderStringArray)); // header parameter
             if (enumHeaderString != null) localVarHeaderParams.Add("enum_header_string", this.Configuration.ApiClient.ParameterToString(enumHeaderString)); // header parameter
             if (enumFormStringArray != null) localVarFormParams.Add("enum_form_string_array", this.Configuration.ApiClient.Serialize(enumFormStringArray)); // form parameter
@@ -2977,13 +2984,14 @@ namespace Org.OpenAPITools.Api
         /// <param name="enumQueryString">Query parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="enumQueryInteger">Query parameter enum test (double) (optional)</param>
         /// <param name="enumQueryDouble">Query parameter enum test (double) (optional)</param>
+        /// <param name="enumQueryModelArray"> (optional)</param>
         /// <param name="enumFormStringArray">Form parameter enum test (string array) (optional, default to $)</param>
         /// <param name="enumFormString">Form parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="cancellationToken">Cancellation Token to cancel request (optional) </param>
         /// <returns>Task of void</returns>
-        public async System.Threading.Tasks.Task TestEnumParametersAsync (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string), CancellationToken cancellationToken = default(CancellationToken))
+        public async System.Threading.Tasks.Task TestEnumParametersAsync (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<EnumClass> enumQueryModelArray = default(List<EnumClass>), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string), CancellationToken cancellationToken = default(CancellationToken))
         {
-             await TestEnumParametersWithHttpInfoAsync(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString, cancellationToken);
+             await TestEnumParametersWithHttpInfoAsync(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString, cancellationToken);
 
         }
 
@@ -2997,11 +3005,12 @@ namespace Org.OpenAPITools.Api
         /// <param name="enumQueryString">Query parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="enumQueryInteger">Query parameter enum test (double) (optional)</param>
         /// <param name="enumQueryDouble">Query parameter enum test (double) (optional)</param>
+        /// <param name="enumQueryModelArray"> (optional)</param>
         /// <param name="enumFormStringArray">Form parameter enum test (string array) (optional, default to $)</param>
         /// <param name="enumFormString">Form parameter enum test (string) (optional, default to -efg)</param>
         /// <param name="cancellationToken">Cancellation Token to cancel request (optional) </param>
         /// <returns>Task of ApiResponse</returns>
-        public async System.Threading.Tasks.Task<ApiResponse<Object>> TestEnumParametersWithHttpInfoAsync (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string), CancellationToken cancellationToken = default(CancellationToken))
+        public async System.Threading.Tasks.Task<ApiResponse<Object>> TestEnumParametersWithHttpInfoAsync (List<string> enumHeaderStringArray = default(List<string>), string enumHeaderString = default(string), List<string> enumQueryStringArray = default(List<string>), string enumQueryString = default(string), int? enumQueryInteger = default(int?), double? enumQueryDouble = default(double?), List<EnumClass> enumQueryModelArray = default(List<EnumClass>), List<string> enumFormStringArray = default(List<string>), string enumFormString = default(string), CancellationToken cancellationToken = default(CancellationToken))
         {
 
             var localVarPath = "/fake";
@@ -3029,6 +3038,7 @@ namespace Org.OpenAPITools.Api
             if (enumQueryString != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("", "enum_query_string", enumQueryString)); // query parameter
             if (enumQueryInteger != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("", "enum_query_integer", enumQueryInteger)); // query parameter
             if (enumQueryDouble != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("", "enum_query_double", enumQueryDouble)); // query parameter
+            if (enumQueryModelArray != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("multi", "enum_query_model_array", enumQueryModelArray)); // query parameter
             if (enumHeaderStringArray != null) localVarHeaderParams.Add("enum_header_string_array", this.Configuration.ApiClient.ParameterToString(enumHeaderStringArray)); // header parameter
             if (enumHeaderString != null) localVarHeaderParams.Add("enum_header_string", this.Configuration.ApiClient.ParameterToString(enumHeaderString)); // header parameter
             if (enumFormStringArray != null) localVarFormParams.Add("enum_form_string_array", this.Configuration.ApiClient.Serialize(enumFormStringArray)); // form parameter

samples/client/petstore/elixir/lib/openapi_petstore/api/fake.ex

@@ -391,6 +391,7 @@ defmodule OpenapiPetstore.Api.Fake do
     - :enum_query_string (String.t): Query parameter enum test (string)
     - :enum_query_integer (integer()): Query parameter enum test (double)
     - :enum_query_double (float()): Query parameter enum test (double)
+    - :enum_query_model_array ([OpenapiPetstore.Model.EnumClass.t]): 
     - :enum_form_string_array ([String.t]): Form parameter enum test (string array)
     - :enum_form_string (String.t): Form parameter enum test (string)
   ## Returns
@@ -407,6 +408,7 @@ defmodule OpenapiPetstore.Api.Fake do
       :"enum_query_string" => :query,
       :"enum_query_integer" => :query,
       :"enum_query_double" => :query,
+      :"enum_query_model_array" => :query,
       :"enum_form_string_array" => :form,
       :"enum_form_string" => :form
     }

samples/client/petstore/java/feign/api/openapi.yaml

@@ -804,6 +804,15 @@ paths:
           format: double
           type: number
         style: form
+      - explode: true
+        in: query
+        name: enum_query_model_array
+        required: false
+        schema:
+          items:
+            $ref: '#/components/schemas/EnumClass'
+          type: array
+        style: form
       requestBody:
         $ref: '#/components/requestBodies/inline_object_2'
         content:

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -6,6 +6,7 @@ import org.openapitools.client.model.ApiResponse;
 
 import java.math.BigDecimal;
 import org.openapitools.client.model.Client;
+import org.openapitools.client.model.EnumClass;
 import java.io.File;
 import org.openapitools.client.model.FileSchemaTestClass;
 import org.openapitools.client.model.HealthCheckResult;
@@ -511,10 +512,11 @@ public interface FakeApi extends ApiClient.Api {
    * @param enumQueryString Query parameter enum test (string) (optional, default to -efg)
    * @param enumQueryInteger Query parameter enum test (double) (optional)
    * @param enumQueryDouble Query parameter enum test (double) (optional)
+   * @param enumQueryModelArray  (optional)
    * @param enumFormStringArray Form parameter enum test (string array) (optional)
    * @param enumFormString Form parameter enum test (string) (optional, default to -efg)
    */
-  @RequestLine("GET /fake?enum_query_string_array={enumQueryStringArray}&enum_query_string={enumQueryString}&enum_query_integer={enumQueryInteger}&enum_query_double={enumQueryDouble}")
+  @RequestLine("GET /fake?enum_query_string_array={enumQueryStringArray}&enum_query_string={enumQueryString}&enum_query_integer={enumQueryInteger}&enum_query_double={enumQueryDouble}&enum_query_model_array={enumQueryModelArray}")
   @Headers({
     "Content-Type: application/x-www-form-urlencoded",
     "Accept: application/json",
@@ -522,7 +524,7 @@ public interface FakeApi extends ApiClient.Api {
     
     "enum_header_string: {enumHeaderString}"
   })
-  void testEnumParameters(@Param("enumHeaderStringArray") List<String> enumHeaderStringArray, @Param("enumHeaderString") String enumHeaderString, @Param("enumQueryStringArray") List<String> enumQueryStringArray, @Param("enumQueryString") String enumQueryString, @Param("enumQueryInteger") Integer enumQueryInteger, @Param("enumQueryDouble") Double enumQueryDouble, @Param("enumFormStringArray") List<String> enumFormStringArray, @Param("enumFormString") String enumFormString);
+  void testEnumParameters(@Param("enumHeaderStringArray") List<String> enumHeaderStringArray, @Param("enumHeaderString") String enumHeaderString, @Param("enumQueryStringArray") List<String> enumQueryStringArray, @Param("enumQueryString") String enumQueryString, @Param("enumQueryInteger") Integer enumQueryInteger, @Param("enumQueryDouble") Double enumQueryDouble, @Param("enumQueryModelArray") List<EnumClass> enumQueryModelArray, @Param("enumFormStringArray") List<String> enumFormStringArray, @Param("enumFormString") String enumFormString);
 
   /**
    * To test enum parameters
@@ -534,10 +536,11 @@ public interface FakeApi extends ApiClient.Api {
    * @param enumQueryString Query parameter enum test (string) (optional, default to -efg)
    * @param enumQueryInteger Query parameter enum test (double) (optional)
    * @param enumQueryDouble Query parameter enum test (double) (optional)
+   * @param enumQueryModelArray  (optional)
    * @param enumFormStringArray Form parameter enum test (string array) (optional)
    * @param enumFormString Form parameter enum test (string) (optional, default to -efg)
    */
-  @RequestLine("GET /fake?enum_query_string_array={enumQueryStringArray}&enum_query_string={enumQueryString}&enum_query_integer={enumQueryInteger}&enum_query_double={enumQueryDouble}")
+  @RequestLine("GET /fake?enum_query_string_array={enumQueryStringArray}&enum_query_string={enumQueryString}&enum_query_integer={enumQueryInteger}&enum_query_double={enumQueryDouble}&enum_query_model_array={enumQueryModelArray}")
   @Headers({
     "Content-Type: application/x-www-form-urlencoded",
     "Accept: application/json",
@@ -545,7 +548,7 @@ public interface FakeApi extends ApiClient.Api {
     
     "enum_header_string: {enumHeaderString}"
   })
-  ApiResponse<Void> testEnumParametersWithHttpInfo(@Param("enumHeaderStringArray") List<String> enumHeaderStringArray, @Param("enumHeaderString") String enumHeaderString, @Param("enumQueryStringArray") List<String> enumQueryStringArray, @Param("enumQueryString") String enumQueryString, @Param("enumQueryInteger") Integer enumQueryInteger, @Param("enumQueryDouble") Double enumQueryDouble, @Param("enumFormStringArray") List<String> enumFormStringArray, @Param("enumFormString") String enumFormString);
+  ApiResponse<Void> testEnumParametersWithHttpInfo(@Param("enumHeaderStringArray") List<String> enumHeaderStringArray, @Param("enumHeaderString") String enumHeaderString, @Param("enumQueryStringArray") List<String> enumQueryStringArray, @Param("enumQueryString") String enumQueryString, @Param("enumQueryInteger") Integer enumQueryInteger, @Param("enumQueryDouble") Double enumQueryDouble, @Param("enumQueryModelArray") List<EnumClass> enumQueryModelArray, @Param("enumFormStringArray") List<String> enumFormStringArray, @Param("enumFormString") String enumFormString);
 
 
   /**
@@ -567,9 +570,10 @@ public interface FakeApi extends ApiClient.Api {
    *   <li>enumQueryString - Query parameter enum test (string) (optional, default to -efg)</li>
    *   <li>enumQueryInteger - Query parameter enum test (double) (optional)</li>
    *   <li>enumQueryDouble - Query parameter enum test (double) (optional)</li>
+   *   <li>enumQueryModelArray -  (optional)</li>
    *   </ul>
    */
-  @RequestLine("GET /fake?enum_query_string_array={enumQueryStringArray}&enum_query_string={enumQueryString}&enum_query_integer={enumQueryInteger}&enum_query_double={enumQueryDouble}")
+  @RequestLine("GET /fake?enum_query_string_array={enumQueryStringArray}&enum_query_string={enumQueryString}&enum_query_integer={enumQueryInteger}&enum_query_double={enumQueryDouble}&enum_query_model_array={enumQueryModelArray}")
   @Headers({
   "Content-Type: application/x-www-form-urlencoded",
   "Accept: application/json",
@@ -595,9 +599,10 @@ public interface FakeApi extends ApiClient.Api {
           *   <li>enumQueryString - Query parameter enum test (string) (optional, default to -efg)</li>
           *   <li>enumQueryInteger - Query parameter enum test (double) (optional)</li>
           *   <li>enumQueryDouble - Query parameter enum test (double) (optional)</li>
+          *   <li>enumQueryModelArray -  (optional)</li>
       *   </ul>
       */
-      @RequestLine("GET /fake?enum_query_string_array={enumQueryStringArray}&enum_query_string={enumQueryString}&enum_query_integer={enumQueryInteger}&enum_query_double={enumQueryDouble}")
+      @RequestLine("GET /fake?enum_query_string_array={enumQueryStringArray}&enum_query_string={enumQueryString}&enum_query_integer={enumQueryInteger}&enum_query_double={enumQueryDouble}&enum_query_model_array={enumQueryModelArray}")
       @Headers({
     "Content-Type: application/x-www-form-urlencoded",
     "Accept: application/json",
@@ -629,6 +634,10 @@ public interface FakeApi extends ApiClient.Api {
       put("enum_query_double", EncodingUtils.encode(value));
       return this;
     }
+    public TestEnumParametersQueryParams enumQueryModelArray(final List<EnumClass> value) {
+      put("enum_query_model_array", EncodingUtils.encodeCollection(value, "multi"));
+      return this;
+    }
   }
 
   /**

samples/client/petstore/java/webclient/api/openapi.yaml

@@ -804,6 +804,15 @@ paths:
           format: double
           type: number
         style: form
+      - explode: true
+        in: query
+        name: enum_query_model_array
+        required: false
+        schema:
+          items:
+            $ref: '#/components/schemas/EnumClass'
+          type: array
+        style: form
       requestBody:
         $ref: '#/components/requestBodies/inline_object_2'
         content:

samples/client/petstore/java/webclient/docs/FakeApi.md

@@ -844,7 +844,7 @@ null (empty response body)
 
 ## testEnumParameters
 
-> testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString)
+> testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString)
 
 To test enum parameters
 
@@ -872,10 +872,11 @@ public class Example {
         String enumQueryString = "_abc"; // String | Query parameter enum test (string)
         Integer enumQueryInteger = 1; // Integer | Query parameter enum test (double)
         Double enumQueryDouble = 1.1D; // Double | Query parameter enum test (double)
+        List<EnumClass> enumQueryModelArray = Arrays.asList(-efg); // List<EnumClass> | 
         List<String> enumFormStringArray = Arrays.asList("$"); // List<String> | Form parameter enum test (string array)
         String enumFormString = "_abc"; // String | Form parameter enum test (string)
         try {
-            apiInstance.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString);
+            apiInstance.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString);
         } catch (ApiException e) {
             System.err.println("Exception when calling FakeApi#testEnumParameters");
             System.err.println("Status code: " + e.getCode());
@@ -898,6 +899,7 @@ public class Example {
 | **enumQueryString** | **String**| Query parameter enum test (string) | [optional] [default to -efg] [enum: _abc, -efg, (xyz)] |
 | **enumQueryInteger** | **Integer**| Query parameter enum test (double) | [optional] [enum: 1, -2] |
 | **enumQueryDouble** | **Double**| Query parameter enum test (double) | [optional] [enum: 1.1, -1.2] |
+| **enumQueryModelArray** | [**List&lt;EnumClass&gt;**](EnumClass.md)|  | [optional] |
 | **enumFormStringArray** | [**List&lt;String&gt;**](String.md)| Form parameter enum test (string array) | [optional] [enum: >, $] |
 | **enumFormString** | **String**| Form parameter enum test (string) | [optional] [default to -efg] [enum: _abc, -efg, (xyz)] |
 

samples/client/petstore/java/webclient/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -4,6 +4,7 @@ import org.openapitools.client.ApiClient;
 
 import java.math.BigDecimal;
 import org.openapitools.client.model.Client;
+import org.openapitools.client.model.EnumClass;
 import java.io.File;
 import org.openapitools.client.model.FileSchemaTestClass;
 import org.openapitools.client.model.HealthCheckResult;
@@ -756,11 +757,12 @@ public class FakeApi {
      * @param enumQueryString Query parameter enum test (string)
      * @param enumQueryInteger Query parameter enum test (double)
      * @param enumQueryDouble Query parameter enum test (double)
+     * @param enumQueryModelArray The enumQueryModelArray parameter
      * @param enumFormStringArray Form parameter enum test (string array)
      * @param enumFormString Form parameter enum test (string)
      * @throws WebClientResponseException if an error occurs while attempting to invoke the API
      */
-    private ResponseSpec testEnumParametersRequestCreation(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<String> enumFormStringArray, String enumFormString) throws WebClientResponseException {
+    private ResponseSpec testEnumParametersRequestCreation(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<EnumClass> enumQueryModelArray, List<String> enumFormStringArray, String enumFormString) throws WebClientResponseException {
         Object postBody = null;
         // create path and map variables
         final Map<String, Object> pathParams = new HashMap<String, Object>();
@@ -774,6 +776,7 @@ public class FakeApi {
         queryParams.putAll(apiClient.parameterToMultiValueMap(null, "enum_query_string", enumQueryString));
         queryParams.putAll(apiClient.parameterToMultiValueMap(null, "enum_query_integer", enumQueryInteger));
         queryParams.putAll(apiClient.parameterToMultiValueMap(null, "enum_query_double", enumQueryDouble));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("multi".toUpperCase(Locale.ROOT)), "enum_query_model_array", enumQueryModelArray));
 
         if (enumHeaderStringArray != null)
         headerParams.add("enum_header_string_array", apiClient.parameterToString(enumHeaderStringArray));
@@ -808,18 +811,19 @@ public class FakeApi {
      * @param enumQueryString Query parameter enum test (string)
      * @param enumQueryInteger Query parameter enum test (double)
      * @param enumQueryDouble Query parameter enum test (double)
+     * @param enumQueryModelArray The enumQueryModelArray parameter
      * @param enumFormStringArray Form parameter enum test (string array)
      * @param enumFormString Form parameter enum test (string)
      * @throws WebClientResponseException if an error occurs while attempting to invoke the API
      */
-    public Mono<Void> testEnumParameters(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<String> enumFormStringArray, String enumFormString) throws WebClientResponseException {
+    public Mono<Void> testEnumParameters(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<EnumClass> enumQueryModelArray, List<String> enumFormStringArray, String enumFormString) throws WebClientResponseException {
         ParameterizedTypeReference<Void> localVarReturnType = new ParameterizedTypeReference<Void>() {};
-        return testEnumParametersRequestCreation(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString).bodyToMono(localVarReturnType);
+        return testEnumParametersRequestCreation(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString).bodyToMono(localVarReturnType);
     }
 
-    public Mono<ResponseEntity<Void>> testEnumParametersWithHttpInfo(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<String> enumFormStringArray, String enumFormString) throws WebClientResponseException {
+    public Mono<ResponseEntity<Void>> testEnumParametersWithHttpInfo(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<EnumClass> enumQueryModelArray, List<String> enumFormStringArray, String enumFormString) throws WebClientResponseException {
         ParameterizedTypeReference<Void> localVarReturnType = new ParameterizedTypeReference<Void>() {};
-        return testEnumParametersRequestCreation(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString).toEntity(localVarReturnType);
+        return testEnumParametersRequestCreation(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString).toEntity(localVarReturnType);
     }
     /**
      * Fake endpoint to test group parameters (optional)

samples/client/petstore/java/webclient/src/test/java/org/openapitools/client/api/FakeApiTest.java

@@ -20,6 +20,7 @@ import org.openapitools.client.model.FileSchemaTestClass;
 import org.openapitools.client.model.HealthCheckResult;
 import java.time.LocalDate;
 import java.time.OffsetDateTime;
+import org.openapitools.client.model.EnumClass;
 import org.openapitools.client.model.OuterComposite;
 import org.openapitools.client.model.OuterObjectWithEnumProperty;
 import org.openapitools.client.model.Pet;
@@ -223,12 +224,13 @@ public class FakeApiTest {
         List<String> enumHeaderStringArray = null;
         String enumHeaderString = null;
         List<String> enumQueryStringArray = null;
+        List<EnumClass> enumQueryModelArray = null;
         String enumQueryString = null;
         Integer enumQueryInteger = null;
         Double enumQueryDouble = null;
         List<String> enumFormStringArray = null;
         String enumFormString = null;
-        api.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString).block();
+        api.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString).block();
 
         // TODO: test validations
     }

samples/client/petstore/javascript-es6/docs/FakeApi.md

@@ -625,6 +625,7 @@ let opts = {
   'enumQueryString': "'-efg'", // String | Query parameter enum test (string)
   'enumQueryInteger': 56, // Number | Query parameter enum test (double)
   'enumQueryDouble': 3.4, // Number | Query parameter enum test (double)
+  'enumQueryModelArray': [new OpenApiPetstore.EnumClass()], // [EnumClass] | 
   'enumFormStringArray': ["'$'"], // [String] | Form parameter enum test (string array)
   'enumFormString': "'-efg'" // String | Form parameter enum test (string)
 };
@@ -648,6 +649,7 @@ Name | Type | Description  | Notes
  **enumQueryString** | **String**| Query parameter enum test (string) | [optional] [default to '-efg']
  **enumQueryInteger** | **Number**| Query parameter enum test (double) | [optional] 
  **enumQueryDouble** | **Number**| Query parameter enum test (double) | [optional] 
+ **enumQueryModelArray** | [**[EnumClass]**](EnumClass.md)|  | [optional] 
  **enumFormStringArray** | [**[String]**](String.md)| Form parameter enum test (string array) | [optional] [default to '$']
  **enumFormString** | **String**| Form parameter enum test (string) | [optional] [default to '-efg']
 

samples/client/petstore/javascript-es6/src/api/FakeApi.js

@@ -14,6 +14,7 @@
 
 import ApiClient from "../ApiClient";
 import Client from '../model/Client';
+import EnumClass from '../model/EnumClass';
 import FileSchemaTestClass from '../model/FileSchemaTestClass';
 import HealthCheckResult from '../model/HealthCheckResult';
 import OuterComposite from '../model/OuterComposite';
@@ -586,6 +587,7 @@ export default class FakeApi {
      * @param {module:model/String} opts.enumQueryString Query parameter enum test (string) (default to '-efg')
      * @param {module:model/Number} opts.enumQueryInteger Query parameter enum test (double)
      * @param {module:model/Number} opts.enumQueryDouble Query parameter enum test (double)
+     * @param {Array.<module:model/EnumClass>} opts.enumQueryModelArray 
      * @param {Array.<module:model/String>} opts.enumFormStringArray Form parameter enum test (string array) (default to '$')
      * @param {module:model/String} opts.enumFormString Form parameter enum test (string) (default to '-efg')
      * @param {module:api/FakeApi~testEnumParametersCallback} callback The callback function, accepting three arguments: error, data, response
@@ -600,7 +602,8 @@ export default class FakeApi {
         'enum_query_string_array': this.apiClient.buildCollectionParam(opts['enumQueryStringArray'], 'multi'),
         'enum_query_string': opts['enumQueryString'],
         'enum_query_integer': opts['enumQueryInteger'],
-        'enum_query_double': opts['enumQueryDouble']
+        'enum_query_double': opts['enumQueryDouble'],
+        'enum_query_model_array': this.apiClient.buildCollectionParam(opts['enumQueryModelArray'], 'multi')
       };
       let headerParams = {
         'enum_header_string_array': opts['enumHeaderStringArray'],

samples/client/petstore/javascript-promise-es6/docs/FakeApi.md

@@ -613,6 +613,7 @@ let opts = {
   'enumQueryString': "'-efg'", // String | Query parameter enum test (string)
   'enumQueryInteger': 56, // Number | Query parameter enum test (double)
   'enumQueryDouble': 3.4, // Number | Query parameter enum test (double)
+  'enumQueryModelArray': [new OpenApiPetstore.EnumClass()], // [EnumClass] | 
   'enumFormStringArray': ["'$'"], // [String] | Form parameter enum test (string array)
   'enumFormString': "'-efg'" // String | Form parameter enum test (string)
 };
@@ -635,6 +636,7 @@ Name | Type | Description  | Notes
  **enumQueryString** | **String**| Query parameter enum test (string) | [optional] [default to '-efg']
  **enumQueryInteger** | **Number**| Query parameter enum test (double) | [optional] 
  **enumQueryDouble** | **Number**| Query parameter enum test (double) | [optional] 
+ **enumQueryModelArray** | [**[EnumClass]**](EnumClass.md)|  | [optional] 
  **enumFormStringArray** | [**[String]**](String.md)| Form parameter enum test (string array) | [optional] [default to '$']
  **enumFormString** | **String**| Form parameter enum test (string) | [optional] [default to '-efg']
 

samples/client/petstore/javascript-promise-es6/src/api/FakeApi.js

@@ -14,6 +14,7 @@
 
 import ApiClient from "../ApiClient";
 import Client from '../model/Client';
+import EnumClass from '../model/EnumClass';
 import FileSchemaTestClass from '../model/FileSchemaTestClass';
 import HealthCheckResult from '../model/HealthCheckResult';
 import OuterComposite from '../model/OuterComposite';
@@ -654,6 +655,7 @@ export default class FakeApi {
      * @param {module:model/String} opts.enumQueryString Query parameter enum test (string) (default to '-efg')
      * @param {module:model/Number} opts.enumQueryInteger Query parameter enum test (double)
      * @param {module:model/Number} opts.enumQueryDouble Query parameter enum test (double)
+     * @param {Array.<module:model/EnumClass>} opts.enumQueryModelArray 
      * @param {Array.<module:model/String>} opts.enumFormStringArray Form parameter enum test (string array) (default to '$')
      * @param {module:model/String} opts.enumFormString Form parameter enum test (string) (default to '-efg')
      * @return {Promise} a {@link https://www.promisejs.org/|Promise}, with an object containing HTTP response
@@ -668,7 +670,8 @@ export default class FakeApi {
         'enum_query_string_array': this.apiClient.buildCollectionParam(opts['enumQueryStringArray'], 'multi'),
         'enum_query_string': opts['enumQueryString'],
         'enum_query_integer': opts['enumQueryInteger'],
-        'enum_query_double': opts['enumQueryDouble']
+        'enum_query_double': opts['enumQueryDouble'],
+        'enum_query_model_array': this.apiClient.buildCollectionParam(opts['enumQueryModelArray'], 'multi')
       };
       let headerParams = {
         'enum_header_string_array': opts['enumHeaderStringArray'],
@@ -700,6 +703,7 @@ export default class FakeApi {
      * @param {module:model/String} opts.enumQueryString Query parameter enum test (string) (default to '-efg')
      * @param {module:model/Number} opts.enumQueryInteger Query parameter enum test (double)
      * @param {module:model/Number} opts.enumQueryDouble Query parameter enum test (double)
+     * @param {Array.<module:model/EnumClass>} opts.enumQueryModelArray 
      * @param {Array.<module:model/String>} opts.enumFormStringArray Form parameter enum test (string array) (default to '$')
      * @param {module:model/String} opts.enumFormString Form parameter enum test (string) (default to '-efg')
      * @return {Promise} a {@link https://www.promisejs.org/|Promise}

samples/client/petstore/k6/script.js

@@ -32,10 +32,11 @@ export default function() {
         let enumQueryString = 'TODO_EDIT_THE_ENUM_QUERY_STRING'; // specify value as there is no example value for this parameter in OpenAPI spec
         let enumQueryStringArray = 'TODO_EDIT_THE_ENUM_QUERY_STRING_ARRAY'; // specify value as there is no example value for this parameter in OpenAPI spec
         let enumQueryDouble = 'TODO_EDIT_THE_ENUM_QUERY_DOUBLE'; // specify value as there is no example value for this parameter in OpenAPI spec
+        let enumQueryModelArray = 'TODO_EDIT_THE_ENUM_QUERY_MODEL_ARRAY'; // specify value as there is no example value for this parameter in OpenAPI spec
 
         // Request No. 1
         {
-            let url = BASE_URL + `/fake?enum_query_string_array=${enum_query_string_array}&enum_query_string=${enum_query_string}&enum_query_integer=${enum_query_integer}&enum_query_double=${enum_query_double}`;
+            let url = BASE_URL + `/fake?enum_query_string_array=${enum_query_string_array}&enum_query_string=${enum_query_string}&enum_query_integer=${enum_query_integer}&enum_query_double=${enum_query_double}&enum_query_model_array=${enum_query_model_array}`;
             // TODO: edit the parameters of the request body.
             let body = {"enumFormStringArray": "list", "enumFormString": "string"};
             let params = {headers: {"Content-Type": "application/x-www-form-urlencoded", "enum_header_string_array": `${enumHeaderStringArray}`, "enum_header_string": `${enumHeaderString}`, "Accept": "application/json"}};

samples/client/petstore/perl/docs/FakeApi.md

@@ -606,7 +606,7 @@ void (empty response body)
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **test_enum_parameters**
-> test_enum_parameters(enum_header_string_array => $enum_header_string_array, enum_header_string => $enum_header_string, enum_query_string_array => $enum_query_string_array, enum_query_string => $enum_query_string, enum_query_integer => $enum_query_integer, enum_query_double => $enum_query_double, enum_form_string_array => $enum_form_string_array, enum_form_string => $enum_form_string)
+> test_enum_parameters(enum_header_string_array => $enum_header_string_array, enum_header_string => $enum_header_string, enum_query_string_array => $enum_query_string_array, enum_query_string => $enum_query_string, enum_query_integer => $enum_query_integer, enum_query_double => $enum_query_double, enum_query_model_array => $enum_query_model_array, enum_form_string_array => $enum_form_string_array, enum_form_string => $enum_form_string)
 
 To test enum parameters
 
@@ -625,11 +625,12 @@ my $enum_query_string_array = [("'$'")]; # ARRAY[string] | Query parameter enum
 my $enum_query_string = '-efg'; # string | Query parameter enum test (string)
 my $enum_query_integer = 56; # int | Query parameter enum test (double)
 my $enum_query_double = 3.4; # double | Query parameter enum test (double)
+my $enum_query_model_array = [(new WWW::OpenAPIClient.EnumClass())]; # ARRAY[EnumClass] | 
 my $enum_form_string_array = ['$']; # ARRAY[string] | Form parameter enum test (string array)
 my $enum_form_string = '-efg'; # string | Form parameter enum test (string)
 
 eval {
-    $api_instance->test_enum_parameters(enum_header_string_array => $enum_header_string_array, enum_header_string => $enum_header_string, enum_query_string_array => $enum_query_string_array, enum_query_string => $enum_query_string, enum_query_integer => $enum_query_integer, enum_query_double => $enum_query_double, enum_form_string_array => $enum_form_string_array, enum_form_string => $enum_form_string);
+    $api_instance->test_enum_parameters(enum_header_string_array => $enum_header_string_array, enum_header_string => $enum_header_string, enum_query_string_array => $enum_query_string_array, enum_query_string => $enum_query_string, enum_query_integer => $enum_query_integer, enum_query_double => $enum_query_double, enum_query_model_array => $enum_query_model_array, enum_form_string_array => $enum_form_string_array, enum_form_string => $enum_form_string);
 };
 if ($@) {
     warn "Exception when calling FakeApi->test_enum_parameters: $@\n";
@@ -646,6 +647,7 @@ Name | Type | Description  | Notes
  **enum_query_string** | **string**| Query parameter enum test (string) | [optional] [default to '-efg']
  **enum_query_integer** | **int**| Query parameter enum test (double) | [optional] 
  **enum_query_double** | **double**| Query parameter enum test (double) | [optional] 
+ **enum_query_model_array** | [**ARRAY[EnumClass]**](EnumClass.md)|  | [optional] 
  **enum_form_string_array** | [**ARRAY[string]**](string.md)| Form parameter enum test (string array) | [optional] [default to '$']
  **enum_form_string** | **string**| Form parameter enum test (string) | [optional] [default to '-efg']
 

samples/client/petstore/perl/lib/WWW/OpenAPIClient/FakeApi.pm

@@ -975,6 +975,7 @@ sub test_endpoint_parameters {
 # @param string $enum_query_string Query parameter enum test (string) (optional, default to '-efg')
 # @param int $enum_query_integer Query parameter enum test (double) (optional)
 # @param double $enum_query_double Query parameter enum test (double) (optional)
+# @param ARRAY[EnumClass] $enum_query_model_array  (optional)
 # @param ARRAY[string] $enum_form_string_array Form parameter enum test (string array) (optional, default to '$')
 # @param string $enum_form_string Form parameter enum test (string) (optional, default to '-efg')
 {
@@ -1009,6 +1010,11 @@ sub test_endpoint_parameters {
         description => 'Query parameter enum test (double)',
         required => '0',
     },
+    'enum_query_model_array' => {
+        data_type => 'ARRAY[EnumClass]',
+        description => '',
+        required => '0',
+    },
     'enum_form_string_array' => {
         data_type => 'ARRAY[string]',
         description => 'Form parameter enum test (string array)',
@@ -1066,6 +1072,11 @@ sub test_enum_parameters {
         $query_params->{'enum_query_double'} = $self->{api_client}->to_query_value($args{'enum_query_double'});
     }
 
+    # query params
+    if ( exists $args{'enum_query_model_array'}) {
+        $query_params->{'enum_query_model_array'} = $self->{api_client}->to_query_value($args{'enum_query_model_array'});
+    }
+
     # header params
     if ( exists $args{'enum_header_string_array'}) {
         $header_params->{'enum_header_string_array'} = $self->{api_client}->to_header_value($args{'enum_header_string_array'});

samples/client/petstore/php/OpenAPIClient-php/docs/Api/FakeApi.md

@@ -724,7 +724,7 @@ void (empty response body)
 ## `testEnumParameters()`
 
 ```php
-testEnumParameters($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_form_string_array, $enum_form_string)
+testEnumParameters($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_query_model_array, $enum_form_string_array, $enum_form_string)
 ```
 
 To test enum parameters
@@ -750,11 +750,12 @@ $enum_query_string_array = array('enum_query_string_array_example'); // string[]
 $enum_query_string = '-efg'; // string | Query parameter enum test (string)
 $enum_query_integer = 56; // int | Query parameter enum test (double)
 $enum_query_double = 3.4; // double | Query parameter enum test (double)
+$enum_query_model_array = array(new \OpenAPI\Client\Model\\OpenAPI\Client\Model\EnumClass()); // \OpenAPI\Client\Model\EnumClass[]
 $enum_form_string_array = array('$'); // string[] | Form parameter enum test (string array)
 $enum_form_string = '-efg'; // string | Form parameter enum test (string)
 
 try {
-    $apiInstance->testEnumParameters($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_form_string_array, $enum_form_string);
+    $apiInstance->testEnumParameters($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_query_model_array, $enum_form_string_array, $enum_form_string);
 } catch (Exception $e) {
     echo 'Exception when calling FakeApi->testEnumParameters: ', $e->getMessage(), PHP_EOL;
 }
@@ -770,6 +771,7 @@ Name | Type | Description  | Notes
  **enum_query_string** | **string**| Query parameter enum test (string) | [optional] [default to '-efg']
  **enum_query_integer** | **int**| Query parameter enum test (double) | [optional]
  **enum_query_double** | **double**| Query parameter enum test (double) | [optional]
+ **enum_query_model_array** | [**\OpenAPI\Client\Model\EnumClass[]**](../Model/\OpenAPI\Client\Model\EnumClass.md)|  | [optional]
  **enum_form_string_array** | [**string[]**](../Model/string.md)| Form parameter enum test (string array) | [optional] [default to '$']
  **enum_form_string** | **string**| Form parameter enum test (string) | [optional] [default to '-efg']
 

samples/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php

@@ -3320,6 +3320,7 @@ class FakeApi
      * @param  string $enum_query_string Query parameter enum test (string) (optional, default to '-efg')
      * @param  int $enum_query_integer Query parameter enum test (double) (optional)
      * @param  double $enum_query_double Query parameter enum test (double) (optional)
+     * @param  \OpenAPI\Client\Model\EnumClass[] $enum_query_model_array enum_query_model_array (optional)
      * @param  string[] $enum_form_string_array Form parameter enum test (string array) (optional, default to '$')
      * @param  string $enum_form_string Form parameter enum test (string) (optional, default to '-efg')
      *
@@ -3327,9 +3328,9 @@ class FakeApi
      * @throws \InvalidArgumentException
      * @return void
      */
-    public function testEnumParameters($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
+    public function testEnumParameters($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_query_model_array = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
     {
-        $this->testEnumParametersWithHttpInfo($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_form_string_array, $enum_form_string);
+        $this->testEnumParametersWithHttpInfo($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_query_model_array, $enum_form_string_array, $enum_form_string);
     }
 
     /**
@@ -3343,6 +3344,7 @@ class FakeApi
      * @param  string $enum_query_string Query parameter enum test (string) (optional, default to '-efg')
      * @param  int $enum_query_integer Query parameter enum test (double) (optional)
      * @param  double $enum_query_double Query parameter enum test (double) (optional)
+     * @param  \OpenAPI\Client\Model\EnumClass[] $enum_query_model_array (optional)
      * @param  string[] $enum_form_string_array Form parameter enum test (string array) (optional, default to '$')
      * @param  string $enum_form_string Form parameter enum test (string) (optional, default to '-efg')
      *
@@ -3350,9 +3352,9 @@ class FakeApi
      * @throws \InvalidArgumentException
      * @return array of null, HTTP status code, HTTP response headers (array of strings)
      */
-    public function testEnumParametersWithHttpInfo($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
+    public function testEnumParametersWithHttpInfo($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_query_model_array = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
     {
-        $request = $this->testEnumParametersRequest($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_form_string_array, $enum_form_string);
+        $request = $this->testEnumParametersRequest($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_query_model_array, $enum_form_string_array, $enum_form_string);
 
         try {
             $options = $this->createHttpClientOption();
@@ -3409,15 +3411,16 @@ class FakeApi
      * @param  string $enum_query_string Query parameter enum test (string) (optional, default to '-efg')
      * @param  int $enum_query_integer Query parameter enum test (double) (optional)
      * @param  double $enum_query_double Query parameter enum test (double) (optional)
+     * @param  \OpenAPI\Client\Model\EnumClass[] $enum_query_model_array (optional)
      * @param  string[] $enum_form_string_array Form parameter enum test (string array) (optional, default to '$')
      * @param  string $enum_form_string Form parameter enum test (string) (optional, default to '-efg')
      *
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function testEnumParametersAsync($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
+    public function testEnumParametersAsync($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_query_model_array = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
     {
-        return $this->testEnumParametersAsyncWithHttpInfo($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_form_string_array, $enum_form_string)
+        return $this->testEnumParametersAsyncWithHttpInfo($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_query_model_array, $enum_form_string_array, $enum_form_string)
             ->then(
                 function ($response) {
                     return $response[0];
@@ -3436,16 +3439,17 @@ class FakeApi
      * @param  string $enum_query_string Query parameter enum test (string) (optional, default to '-efg')
      * @param  int $enum_query_integer Query parameter enum test (double) (optional)
      * @param  double $enum_query_double Query parameter enum test (double) (optional)
+     * @param  \OpenAPI\Client\Model\EnumClass[] $enum_query_model_array (optional)
      * @param  string[] $enum_form_string_array Form parameter enum test (string array) (optional, default to '$')
      * @param  string $enum_form_string Form parameter enum test (string) (optional, default to '-efg')
      *
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Promise\PromiseInterface
      */
-    public function testEnumParametersAsyncWithHttpInfo($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
+    public function testEnumParametersAsyncWithHttpInfo($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_query_model_array = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
     {
         $returnType = '';
-        $request = $this->testEnumParametersRequest($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_form_string_array, $enum_form_string);
+        $request = $this->testEnumParametersRequest($enum_header_string_array, $enum_header_string, $enum_query_string_array, $enum_query_string, $enum_query_integer, $enum_query_double, $enum_query_model_array, $enum_form_string_array, $enum_form_string);
 
         return $this->client
             ->sendAsync($request, $this->createHttpClientOption())
@@ -3479,13 +3483,14 @@ class FakeApi
      * @param  string $enum_query_string Query parameter enum test (string) (optional, default to '-efg')
      * @param  int $enum_query_integer Query parameter enum test (double) (optional)
      * @param  double $enum_query_double Query parameter enum test (double) (optional)
+     * @param  \OpenAPI\Client\Model\EnumClass[] $enum_query_model_array (optional)
      * @param  string[] $enum_form_string_array Form parameter enum test (string array) (optional, default to '$')
      * @param  string $enum_form_string Form parameter enum test (string) (optional, default to '-efg')
      *
      * @throws \InvalidArgumentException
      * @return \GuzzleHttp\Psr7\Request
      */
-    public function testEnumParametersRequest($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
+    public function testEnumParametersRequest($enum_header_string_array = null, $enum_header_string = '-efg', $enum_query_string_array = null, $enum_query_string = '-efg', $enum_query_integer = null, $enum_query_double = null, $enum_query_model_array = null, $enum_form_string_array = '$', $enum_form_string = '-efg')
     {
 
         $resourcePath = '/fake';
@@ -3527,6 +3532,14 @@ class FakeApi
             'form', // style
             true // explode
         ) ?? []);
+        // query params
+        $queryParams = array_merge($queryParams, ObjectSerializer::toQueryValue(
+            $enum_query_model_array,
+            'enum_query_model_array', // param base name
+            'array', // openApiType
+            'form', // style
+            true // explode
+        ) ?? []);
 
         // header params
         if (is_array($enum_header_string_array)) {

samples/client/petstore/ruby-faraday/docs/FakeApi.md

@@ -852,6 +852,7 @@ opts = {
   enum_query_string: '_abc', # String | Query parameter enum test (string)
   enum_query_integer: 1, # Integer | Query parameter enum test (double)
   enum_query_double: 1.1, # Float | Query parameter enum test (double)
+  enum_query_model_array: [Petstore::EnumClass::ABC], # Array<EnumClass> | 
   enum_form_string_array: ['>'], # Array<String> | Form parameter enum test (string array)
   enum_form_string: '_abc' # String | Form parameter enum test (string)
 }
@@ -892,6 +893,7 @@ end
 | **enum_query_string** | **String** | Query parameter enum test (string) | [optional][default to &#39;-efg&#39;] |
 | **enum_query_integer** | **Integer** | Query parameter enum test (double) | [optional] |
 | **enum_query_double** | **Float** | Query parameter enum test (double) | [optional] |
+| **enum_query_model_array** | [**Array&lt;EnumClass&gt;**](EnumClass.md) |  | [optional] |
 | **enum_form_string_array** | [**Array&lt;String&gt;**](String.md) | Form parameter enum test (string array) | [optional][default to &#39;$&#39;] |
 | **enum_form_string** | **String** | Form parameter enum test (string) | [optional][default to &#39;-efg&#39;] |
 

samples/client/petstore/ruby-faraday/lib/petstore/api/fake_api.rb

@@ -900,6 +900,7 @@ module Petstore
     # @option opts [String] :enum_query_string Query parameter enum test (string) (default to '-efg')
     # @option opts [Integer] :enum_query_integer Query parameter enum test (double)
     # @option opts [Float] :enum_query_double Query parameter enum test (double)
+    # @option opts [Array<EnumClass>] :enum_query_model_array 
     # @option opts [Array<String>] :enum_form_string_array Form parameter enum test (string array) (default to '$')
     # @option opts [String] :enum_form_string Form parameter enum test (string) (default to '-efg')
     # @return [nil]
@@ -917,6 +918,7 @@ module Petstore
     # @option opts [String] :enum_query_string Query parameter enum test (string) (default to '-efg')
     # @option opts [Integer] :enum_query_integer Query parameter enum test (double)
     # @option opts [Float] :enum_query_double Query parameter enum test (double)
+    # @option opts [Array<EnumClass>] :enum_query_model_array 
     # @option opts [Array<String>] :enum_form_string_array Form parameter enum test (string array) (default to '$')
     # @option opts [String] :enum_form_string Form parameter enum test (string) (default to '-efg')
     # @return [Array<(nil, Integer, Hash)>] nil, response status code and response headers
@@ -965,6 +967,7 @@ module Petstore
       query_params[:'enum_query_string'] = opts[:'enum_query_string'] if !opts[:'enum_query_string'].nil?
       query_params[:'enum_query_integer'] = opts[:'enum_query_integer'] if !opts[:'enum_query_integer'].nil?
       query_params[:'enum_query_double'] = opts[:'enum_query_double'] if !opts[:'enum_query_double'].nil?
+      query_params[:'enum_query_model_array'] = @api_client.build_collection_param(opts[:'enum_query_model_array'], :multi) if !opts[:'enum_query_model_array'].nil?
 
       # header parameters
       header_params = opts[:header_params] || {}

samples/client/petstore/ruby/docs/FakeApi.md

@@ -852,6 +852,7 @@ opts = {
   enum_query_string: '_abc', # String | Query parameter enum test (string)
   enum_query_integer: 1, # Integer | Query parameter enum test (double)
   enum_query_double: 1.1, # Float | Query parameter enum test (double)
+  enum_query_model_array: [Petstore::EnumClass::ABC], # Array<EnumClass> | 
   enum_form_string_array: ['>'], # Array<String> | Form parameter enum test (string array)
   enum_form_string: '_abc' # String | Form parameter enum test (string)
 }
@@ -892,6 +893,7 @@ end
 | **enum_query_string** | **String** | Query parameter enum test (string) | [optional][default to &#39;-efg&#39;] |
 | **enum_query_integer** | **Integer** | Query parameter enum test (double) | [optional] |
 | **enum_query_double** | **Float** | Query parameter enum test (double) | [optional] |
+| **enum_query_model_array** | [**Array&lt;EnumClass&gt;**](EnumClass.md) |  | [optional] |
 | **enum_form_string_array** | [**Array&lt;String&gt;**](String.md) | Form parameter enum test (string array) | [optional][default to &#39;$&#39;] |
 | **enum_form_string** | **String** | Form parameter enum test (string) | [optional][default to &#39;-efg&#39;] |
 

samples/client/petstore/ruby/lib/petstore/api/fake_api.rb

@@ -900,6 +900,7 @@ module Petstore
     # @option opts [String] :enum_query_string Query parameter enum test (string) (default to '-efg')
     # @option opts [Integer] :enum_query_integer Query parameter enum test (double)
     # @option opts [Float] :enum_query_double Query parameter enum test (double)
+    # @option opts [Array<EnumClass>] :enum_query_model_array 
     # @option opts [Array<String>] :enum_form_string_array Form parameter enum test (string array) (default to '$')
     # @option opts [String] :enum_form_string Form parameter enum test (string) (default to '-efg')
     # @return [nil]
@@ -917,6 +918,7 @@ module Petstore
     # @option opts [String] :enum_query_string Query parameter enum test (string) (default to '-efg')
     # @option opts [Integer] :enum_query_integer Query parameter enum test (double)
     # @option opts [Float] :enum_query_double Query parameter enum test (double)
+    # @option opts [Array<EnumClass>] :enum_query_model_array 
     # @option opts [Array<String>] :enum_form_string_array Form parameter enum test (string array) (default to '$')
     # @option opts [String] :enum_form_string Form parameter enum test (string) (default to '-efg')
     # @return [Array<(nil, Integer, Hash)>] nil, response status code and response headers
@@ -965,6 +967,7 @@ module Petstore
       query_params[:'enum_query_string'] = opts[:'enum_query_string'] if !opts[:'enum_query_string'].nil?
       query_params[:'enum_query_integer'] = opts[:'enum_query_integer'] if !opts[:'enum_query_integer'].nil?
       query_params[:'enum_query_double'] = opts[:'enum_query_double'] if !opts[:'enum_query_double'].nil?
+      query_params[:'enum_query_model_array'] = @api_client.build_collection_param(opts[:'enum_query_model_array'], :multi) if !opts[:'enum_query_model_array'].nil?
 
       # header parameters
       header_params = opts[:header_params] || {}

samples/client/petstore/typescript-fetch/builds/default-v3.0/apis/FakeApi.ts

@@ -18,6 +18,9 @@ import {
     Client,
     ClientFromJSON,
     ClientToJSON,
+    EnumClass,
+    EnumClassFromJSON,
+    EnumClassToJSON,
     FileSchemaTestClass,
     FileSchemaTestClassFromJSON,
     FileSchemaTestClassToJSON,
@@ -105,6 +108,7 @@ export interface TestEnumParametersRequest {
     enumQueryString?: TestEnumParametersEnumQueryStringEnum;
     enumQueryInteger?: TestEnumParametersEnumQueryIntegerEnum;
     enumQueryDouble?: TestEnumParametersEnumQueryDoubleEnum;
+    enumQueryModelArray?: Array<EnumClass>;
     enumFormStringArray?: Array<TestEnumParametersEnumFormStringArrayEnum>;
     enumFormString?: TestEnumParametersEnumFormStringEnum;
 }
@@ -636,6 +640,10 @@ export class FakeApi extends runtime.BaseAPI {
             queryParameters['enum_query_double'] = requestParameters.enumQueryDouble;
         }
 
+        if (requestParameters.enumQueryModelArray) {
+            queryParameters['enum_query_model_array'] = requestParameters.enumQueryModelArray;
+        }
+
         const headerParameters: runtime.HTTPHeaders = {};
 
         if (requestParameters.enumHeaderStringArray) {

samples/openapi3/client/petstore/dart-dio-next/dio_http_petstore_client_lib_fake/.openapi-generator/VERSION

@@ -1 +0,0 @@
-6.0.0-SNAPSHOT

samples/openapi3/client/petstore/dart-dio-next/petstore_client_lib_fake/doc/FakeApi.md

@@ -568,7 +568,7 @@ void (empty response body)
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **testEnumParameters**
-> testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString)
+> testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString)
 
 To test enum parameters
 
@@ -585,11 +585,12 @@ final BuiltList<String> enumQueryStringArray = ; // BuiltList<String> | Query pa
 final String enumQueryString = enumQueryString_example; // String | Query parameter enum test (string)
 final int enumQueryInteger = 56; // int | Query parameter enum test (double)
 final double enumQueryDouble = 1.2; // double | Query parameter enum test (double)
+final BuiltList<ModelEnumClass> enumQueryModelArray = ; // BuiltList<ModelEnumClass> | 
 final BuiltList<String> enumFormStringArray = ; // BuiltList<String> | Form parameter enum test (string array)
 final String enumFormString = enumFormString_example; // String | Form parameter enum test (string)
 
 try {
-    api.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString);
+    api.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString);
 } catch on DioError (e) {
     print('Exception when calling FakeApi->testEnumParameters: $e\n');
 }
@@ -605,6 +606,7 @@ Name | Type | Description  | Notes
  **enumQueryString** | **String**| Query parameter enum test (string) | [optional] [default to '-efg']
  **enumQueryInteger** | **int**| Query parameter enum test (double) | [optional] 
  **enumQueryDouble** | **double**| Query parameter enum test (double) | [optional] 
+ **enumQueryModelArray** | [**BuiltList&lt;ModelEnumClass&gt;**](ModelEnumClass.md)|  | [optional] 
  **enumFormStringArray** | [**BuiltList&lt;String&gt;**](String.md)| Form parameter enum test (string array) | [optional] [default to '$']
  **enumFormString** | **String**| Form parameter enum test (string) | [optional] [default to '-efg']
 

samples/openapi3/client/petstore/dart-dio-next/petstore_client_lib_fake/lib/src/api/fake_api.dart

@@ -14,6 +14,7 @@ import 'package:openapi/src/model/date.dart';
 import 'package:openapi/src/model/file_schema_test_class.dart';
 import 'package:openapi/src/model/health_check_result.dart';
 import 'package:openapi/src/model/model_client.dart';
+import 'package:openapi/src/model/model_enum_class.dart';
 import 'package:openapi/src/model/outer_composite.dart';
 import 'package:openapi/src/model/outer_object_with_enum_property.dart';
 import 'package:openapi/src/model/pet.dart';
@@ -1052,6 +1053,7 @@ class FakeApi {
   /// * [enumQueryString] - Query parameter enum test (string)
   /// * [enumQueryInteger] - Query parameter enum test (double)
   /// * [enumQueryDouble] - Query parameter enum test (double)
+  /// * [enumQueryModelArray] 
   /// * [enumFormStringArray] - Form parameter enum test (string array)
   /// * [enumFormString] - Form parameter enum test (string)
   /// * [cancelToken] - A [CancelToken] that can be used to cancel the operation
@@ -1070,6 +1072,7 @@ class FakeApi {
     String? enumQueryString = '-efg',
     int? enumQueryInteger,
     double? enumQueryDouble,
+    BuiltList<ModelEnumClass>? enumQueryModelArray,
     BuiltList<String>? enumFormStringArray,
     String? enumFormString,
     CancelToken? cancelToken,
@@ -1100,6 +1103,7 @@ class FakeApi {
       if (enumQueryString != null) r'enum_query_string': encodeQueryParameter(_serializers, enumQueryString, const FullType(String)),
       if (enumQueryInteger != null) r'enum_query_integer': encodeQueryParameter(_serializers, enumQueryInteger, const FullType(int)),
       if (enumQueryDouble != null) r'enum_query_double': encodeQueryParameter(_serializers, enumQueryDouble, const FullType(double)),
+      if (enumQueryModelArray != null) r'enum_query_model_array': encodeCollectionQueryParameter<ModelEnumClass>(_serializers, enumQueryModelArray, const FullType(BuiltList, [FullType(ModelEnumClass)]), format: ListFormat.multi,),
     };
 
     dynamic _bodyData;

samples/openapi3/client/petstore/dart-dio-next/petstore_client_lib_fake/lib/src/api_util.dart

@@ -61,7 +61,7 @@ dynamic encodeQueryParameter(
   return serialized;
 }
 
-ListParam<T> encodeCollectionQueryParameter<T>(
+ListParam<Object?> encodeCollectionQueryParameter<T>(
   Serializers serializers,
   dynamic value,
   FullType type, {

samples/openapi3/client/petstore/dart-dio-next/petstore_client_lib_fake/lib/src/serializers.dart

@@ -136,6 +136,10 @@ Serializers serializers = (_$serializers.toBuilder()
         const FullType(BuiltMap, [FullType(String), FullType(int)]),
         () => MapBuilder<String, int>(),
       )
+      ..addBuilderFactory(
+        const FullType(BuiltList, [FullType(ModelEnumClass)]),
+        () => ListBuilder<ModelEnumClass>(),
+      )
       ..addBuilderFactory(
         const FullType(BuiltList, [FullType(String)]),
         () => ListBuilder<String>(),

samples/openapi3/client/petstore/dart-dio-next/petstore_client_lib_fake/pubspec.yaml

@@ -14,4 +14,4 @@ dependencies:
 dev_dependencies:
   built_value_generator: '>=8.1.0 <9.0.0'
   build_runner: any
-  test: '>=1.16.0 <1.17.0'
+  test: ^1.16.0

samples/openapi3/client/petstore/dart-dio-next/petstore_client_lib_fake_tests/pubspec.lock

@@ -7,28 +7,28 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "21.0.0"
+    version: "22.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.0"
+    version: "1.7.2"
   args:
     dependency: transitive
     description:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.3.0"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.7.0"
+    version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -42,7 +42,7 @@ packages:
       name: build
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.2.1"
   built_collection:
     dependency: "direct dev"
     description:
@@ -63,42 +63,42 @@ packages:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   cli_util:
     dependency: transitive
     description:
       name: cli_util
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0"
+    version: "0.3.5"
   code_builder:
     dependency: transitive
     description:
       name: code_builder
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "4.1.0"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   convert:
     dependency: transitive
     description:
       name: convert
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.1"
   coverage:
     dependency: transitive
     description:
       name: coverage
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   crypto:
     dependency: transitive
     description:
@@ -112,7 +112,7 @@ packages:
       name: dart_style
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.1.1"
   dio:
     dependency: "direct dev"
     description:
@@ -126,7 +126,7 @@ packages:
       name: file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.1.1"
+    version: "6.1.2"
   fixnum:
     dependency: transitive
     description:
@@ -140,14 +140,14 @@ packages:
       name: frontend_server_client
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
   glob:
     dependency: transitive
     description:
       name: glob
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   http_mock_adapter:
     dependency: "direct dev"
     description:
@@ -161,7 +161,7 @@ packages:
       name: http_multi_server
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.2.0"
   http_parser:
     dependency: transitive
     description:
@@ -175,21 +175,21 @@ packages:
       name: io
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.3"
   js:
     dependency: transitive
     description:
       name: js
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.3"
+    version: "0.6.4"
   logging:
     dependency: transitive
     description:
       name: logging
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.2"
   matcher:
     dependency: transitive
     description:
@@ -203,14 +203,14 @@ packages:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.7.0"
   mime:
     dependency: transitive
     description:
       name: mime
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.1"
   mockito:
     dependency: "direct dev"
     description:
@@ -224,7 +224,7 @@ packages:
       name: node_preamble
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.1"
   openapi:
     dependency: "direct dev"
     description:
@@ -238,21 +238,21 @@ packages:
       name: package_config
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.2"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.11.0"
+    version: "1.11.1"
   pool:
     dependency: transitive
     description:
@@ -266,14 +266,14 @@ packages:
       name: pub_semver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.1"
   shelf:
     dependency: transitive
     description:
       name: shelf
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.4"
+    version: "1.3.0"
   shelf_packages_handler:
     dependency: transitive
     description:
@@ -287,7 +287,7 @@ packages:
       name: shelf_static
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.1.0"
   shelf_web_socket:
     dependency: transitive
     description:
@@ -301,7 +301,7 @@ packages:
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.3"
   source_map_stack_trace:
     dependency: transitive
     description:
@@ -322,7 +322,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -392,7 +392,7 @@ packages:
       name: watcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.1"
   web_socket_channel:
     dependency: transitive
     description:
@@ -415,4 +415,4 @@ packages:
     source: hosted
     version: "3.1.0"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.16.0 <3.0.0"

samples/openapi3/client/petstore/dart-dio-next/petstore_client_lib_fake_tests/test/api/fake_api_test.dart

@@ -98,7 +98,7 @@ void main() {
           (server) => server.reply(200, null),
           data: {
             'enum_form_string': 'formString',
-            'enum_form_string_array': Matchers.listParam<String>(
+            'enum_form_string_array': Matchers.listParam<Object>(
               ListParam(
                 ['foo', 'bar'],
                 ListFormat.csv,
@@ -106,22 +106,15 @@ void main() {
             ),
           },
           queryParameters: <String, dynamic>{
-            'enum_query_string_array': Matchers.listParam<String>(
-              ListParam(
-                ['a', 'b', 'c'],
-                ListFormat.multi,
-              ),
-            ),
+            'enum_query_string': '-efg',
           },
           headers: <String, dynamic>{
+            'enum_header_string': '-efg',
             'content-type': 'application/x-www-form-urlencoded',
           },
         );
 
         final response = await client.getFakeApi().testEnumParameters(
-              enumQueryStringArray: ListBuilder<String>(
-                <String>['a', 'b', 'c'],
-              ).build(),
               enumFormString: 'formString',
               enumFormStringArray: ListBuilder<String>(
                 <String>['foo', 'bar'],
@@ -130,6 +123,71 @@ void main() {
 
         expect(response.statusCode, 200);
       });
+
+      test('in query parameters', () async {
+        tester.onGet(
+          '/fake',
+          (server) => server.reply(200, null),
+          queryParameters: <String, dynamic>{
+            'enum_query_string_array': Matchers.listParam<dynamic>(
+              ListParam<dynamic>(
+                <String>['a', 'b', 'c'],
+                ListFormat.multi,
+              ),
+            ),
+            'enum_query_model_array': Matchers.listParam<dynamic>(
+              ListParam<dynamic>(
+                <String>['_abc', '-efg'],
+                ListFormat.multi,
+              ),
+            ),
+            'enum_query_string': 'foo',
+            'enum_query_double': 1.23,
+            'enum_query_integer': 42,
+          },
+          headers: <String, dynamic>{
+            'enum_header_string': '-efg',
+            'content-type': 'application/x-www-form-urlencoded',
+          },
+          data: <String, dynamic>{},
+        );
+
+        final response = await client.getFakeApi().testEnumParameters(
+              enumQueryStringArray: ListBuilder<String>(
+                <String>['a', 'b', 'c'],
+              ).build(),
+              enumQueryModelArray: ListBuilder<ModelEnumClass>(
+                <ModelEnumClass>[ModelEnumClass.abc, ModelEnumClass.efg],
+              ).build(),
+              enumQueryString: 'foo',
+              enumQueryDouble: 1.23,
+              enumQueryInteger: 42,
+            );
+
+        expect(response.statusCode, 200);
+      });
+
+      test('in header parameters', () async {
+        tester.onGet(
+          '/fake',
+          (server) => server.reply(200, null),
+          headers: <String, dynamic>{
+            'enum_header_string': 'foo',
+            'enum_header_string_array': '[a, b, c]',
+            'content-type': 'application/x-www-form-urlencoded',
+          },
+          data: <String, dynamic>{},
+        );
+
+        final response = await client.getFakeApi().testEnumParameters(
+              enumHeaderStringArray: ListBuilder<String>(
+                <String>['a', 'b', 'c'],
+              ).build(),
+              enumHeaderString: 'foo',
+            );
+
+        expect(response.statusCode, 200);
+      });
     });
   });
 }

samples/openapi3/client/petstore/dart-dio-next/petstore_client_lib_fake_tests/test/api/pet_api_test.dart

@@ -188,9 +188,9 @@ void main() {
           request: Request(
             method: RequestMethods.get,
             queryParameters: <String, dynamic>{
-              'status': Matchers.listParam<String>(
-                ListParam(
-                  ['available', 'sold'],
+              'status': Matchers.listParam<dynamic>(
+                ListParam<dynamic>(
+                  <dynamic>['available', 'sold'],
                   ListFormat.csv,
                 ),
               ),

samples/openapi3/client/petstore/dart-dio/petstore_client_lib_fake/doc/FakeApi.md

@@ -568,7 +568,7 @@ void (empty response body)
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **testEnumParameters**
-> testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString)
+> testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString)
 
 To test enum parameters
 
@@ -585,11 +585,12 @@ var enumQueryStringArray = []; // BuiltList<String> | Query parameter enum test
 var enumQueryString = enumQueryString_example; // String | Query parameter enum test (string)
 var enumQueryInteger = 56; // int | Query parameter enum test (double)
 var enumQueryDouble = 1.2; // double | Query parameter enum test (double)
+var enumQueryModelArray = []; // BuiltList<ModelEnumClass> | 
 var enumFormStringArray = []; // BuiltList<String> | Form parameter enum test (string array)
 var enumFormString = enumFormString_example; // String | Form parameter enum test (string)
 
 try {
-    api_instance.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString);
+    api_instance.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString);
 } catch (e) {
     print('Exception when calling FakeApi->testEnumParameters: $e\n');
 }
@@ -605,6 +606,7 @@ Name | Type | Description  | Notes
  **enumQueryString** | **String**| Query parameter enum test (string) | [optional] [default to '-efg']
  **enumQueryInteger** | **int**| Query parameter enum test (double) | [optional] 
  **enumQueryDouble** | **double**| Query parameter enum test (double) | [optional] 
+ **enumQueryModelArray** | [**BuiltList<ModelEnumClass>**](ModelEnumClass.md)|  | [optional] 
  **enumFormStringArray** | [**BuiltList<String>**](String.md)| Form parameter enum test (string array) | [optional] [default to '$']
  **enumFormString** | **String**| Form parameter enum test (string) | [optional] [default to '-efg']
 

samples/openapi3/client/petstore/dart-dio/petstore_client_lib_fake/lib/api/fake_api.dart

@@ -15,6 +15,7 @@ import 'package:openapi/api_util.dart';
 import 'package:openapi/model/file_schema_test_class.dart';
 import 'package:openapi/model/health_check_result.dart';
 import 'package:openapi/model/model_client.dart';
+import 'package:openapi/model/model_enum_class.dart';
 import 'package:openapi/model/outer_composite.dart';
 import 'package:openapi/model/outer_object_with_enum_property.dart';
 import 'package:openapi/model/pet.dart';
@@ -686,6 +687,7 @@ class FakeApi {
     String enumQueryString,
     int enumQueryInteger,
     double enumQueryDouble,
+    BuiltList<ModelEnumClass> enumQueryModelArray,
     BuiltList<String> enumFormStringArray,
     String enumFormString,
     CancelToken cancelToken,
@@ -708,6 +710,7 @@ class FakeApi {
         if (enumQueryString != null) r'enum_query_string': enumQueryString,
         if (enumQueryInteger != null) r'enum_query_integer': enumQueryInteger,
         if (enumQueryDouble != null) r'enum_query_double': enumQueryDouble,
+        if (enumQueryModelArray != null) r'enum_query_model_array': enumQueryModelArray,
       },
       extra: <String, dynamic>{
         'secure': <Map<String, String>>[],

samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/doc/FakeApi.md

@@ -565,7 +565,7 @@ void (empty response body)
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **testEnumParameters**
-> testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString)
+> testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString)
 
 To test enum parameters
 
@@ -582,11 +582,12 @@ final enumQueryStringArray = []; // List<String> | Query parameter enum test (st
 final enumQueryString = enumQueryString_example; // String | Query parameter enum test (string)
 final enumQueryInteger = 56; // int | Query parameter enum test (double)
 final enumQueryDouble = 1.2; // double | Query parameter enum test (double)
+final enumQueryModelArray = []; // List<EnumClass> | 
 final enumFormStringArray = []; // List<String> | Form parameter enum test (string array)
 final enumFormString = enumFormString_example; // String | Form parameter enum test (string)
 
 try {
-    api_instance.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString);
+    api_instance.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString);
 } catch (e) {
     print('Exception when calling FakeApi->testEnumParameters: $e\n');
 }
@@ -602,6 +603,7 @@ Name | Type | Description  | Notes
  **enumQueryString** | **String**| Query parameter enum test (string) | [optional] [default to '-efg']
  **enumQueryInteger** | **int**| Query parameter enum test (double) | [optional] 
  **enumQueryDouble** | **double**| Query parameter enum test (double) | [optional] 
+ **enumQueryModelArray** | [**List<EnumClass>**](EnumClass.md)|  | [optional] [default to const []]
  **enumFormStringArray** | [**List<String>**](String.md)| Form parameter enum test (string array) | [optional] [default to '$']
  **enumFormString** | **String**| Form parameter enum test (string) | [optional] [default to '-efg']
 

samples/openapi3/client/petstore/dart2/petstore_client_lib_fake/lib/api/fake_api.dart

@@ -806,12 +806,14 @@ class FakeApi {
   /// * [double] enumQueryDouble:
   ///   Query parameter enum test (double)
   ///
+  /// * [List<EnumClass>] enumQueryModelArray:
+  ///
   /// * [List<String>] enumFormStringArray:
   ///   Form parameter enum test (string array)
   ///
   /// * [String] enumFormString:
   ///   Form parameter enum test (string)
-  Future<Response> testEnumParametersWithHttpInfo({ List<String>? enumHeaderStringArray, String? enumHeaderString, List<String>? enumQueryStringArray, String? enumQueryString, int? enumQueryInteger, double? enumQueryDouble, List<String>? enumFormStringArray, String? enumFormString, }) async {
+  Future<Response> testEnumParametersWithHttpInfo({ List<String>? enumHeaderStringArray, String? enumHeaderString, List<String>? enumQueryStringArray, String? enumQueryString, int? enumQueryInteger, double? enumQueryDouble, List<EnumClass>? enumQueryModelArray, List<String>? enumFormStringArray, String? enumFormString, }) async {
     // ignore: prefer_const_declarations
     final path = r'/fake';
 
@@ -834,6 +836,9 @@ class FakeApi {
     if (enumQueryDouble != null) {
       queryParams.addAll(_queryParams('', 'enum_query_double', enumQueryDouble));
     }
+    if (enumQueryModelArray != null) {
+      queryParams.addAll(_queryParams('multi', 'enum_query_model_array', enumQueryModelArray));
+    }
 
     if (enumHeaderStringArray != null) {
       headerParams[r'enum_header_string_array'] = parameterToString(enumHeaderStringArray);
@@ -888,13 +893,15 @@ class FakeApi {
   /// * [double] enumQueryDouble:
   ///   Query parameter enum test (double)
   ///
+  /// * [List<EnumClass>] enumQueryModelArray:
+  ///
   /// * [List<String>] enumFormStringArray:
   ///   Form parameter enum test (string array)
   ///
   /// * [String] enumFormString:
   ///   Form parameter enum test (string)
-  Future<void> testEnumParameters({ List<String>? enumHeaderStringArray, String? enumHeaderString, List<String>? enumQueryStringArray, String? enumQueryString, int? enumQueryInteger, double? enumQueryDouble, List<String>? enumFormStringArray, String? enumFormString, }) async {
-    final response = await testEnumParametersWithHttpInfo( enumHeaderStringArray: enumHeaderStringArray, enumHeaderString: enumHeaderString, enumQueryStringArray: enumQueryStringArray, enumQueryString: enumQueryString, enumQueryInteger: enumQueryInteger, enumQueryDouble: enumQueryDouble, enumFormStringArray: enumFormStringArray, enumFormString: enumFormString, );
+  Future<void> testEnumParameters({ List<String>? enumHeaderStringArray, String? enumHeaderString, List<String>? enumQueryStringArray, String? enumQueryString, int? enumQueryInteger, double? enumQueryDouble, List<EnumClass>? enumQueryModelArray, List<String>? enumFormStringArray, String? enumFormString, }) async {
+    final response = await testEnumParametersWithHttpInfo( enumHeaderStringArray: enumHeaderStringArray, enumHeaderString: enumHeaderString, enumQueryStringArray: enumQueryStringArray, enumQueryString: enumQueryString, enumQueryInteger: enumQueryInteger, enumQueryDouble: enumQueryDouble, enumQueryModelArray: enumQueryModelArray, enumFormStringArray: enumFormStringArray, enumFormString: enumFormString, );
     if (response.statusCode >= HttpStatus.badRequest) {
       throw ApiException(response.statusCode, await _decodeBodyBytes(response));
     }

samples/openapi3/client/petstore/python-legacy/docs/FakeApi.md

@@ -853,7 +853,7 @@ void (empty response body)
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **test_enum_parameters**
-> test_enum_parameters(enum_header_string_array=enum_header_string_array, enum_header_string=enum_header_string, enum_query_string_array=enum_query_string_array, enum_query_string=enum_query_string, enum_query_integer=enum_query_integer, enum_query_double=enum_query_double, enum_form_string_array=enum_form_string_array, enum_form_string=enum_form_string)
+> test_enum_parameters(enum_header_string_array=enum_header_string_array, enum_header_string=enum_header_string, enum_query_string_array=enum_query_string_array, enum_query_string=enum_query_string, enum_query_integer=enum_query_integer, enum_query_double=enum_query_double, enum_query_model_array=enum_query_model_array, enum_form_string_array=enum_form_string_array, enum_form_string=enum_form_string)
 
 To test enum parameters
 
@@ -884,12 +884,13 @@ enum_query_string_array = ['enum_query_string_array_example'] # list[str] | Quer
 enum_query_string = '-efg' # str | Query parameter enum test (string) (optional) (default to '-efg')
 enum_query_integer = 56 # int | Query parameter enum test (double) (optional)
 enum_query_double = 3.4 # float | Query parameter enum test (double) (optional)
+enum_query_model_array = [petstore_api.EnumClass()] # list[EnumClass] |  (optional)
 enum_form_string_array = '$' # list[str] | Form parameter enum test (string array) (optional) (default to '$')
 enum_form_string = '-efg' # str | Form parameter enum test (string) (optional) (default to '-efg')
 
     try:
         # To test enum parameters
-        api_instance.test_enum_parameters(enum_header_string_array=enum_header_string_array, enum_header_string=enum_header_string, enum_query_string_array=enum_query_string_array, enum_query_string=enum_query_string, enum_query_integer=enum_query_integer, enum_query_double=enum_query_double, enum_form_string_array=enum_form_string_array, enum_form_string=enum_form_string)
+        api_instance.test_enum_parameters(enum_header_string_array=enum_header_string_array, enum_header_string=enum_header_string, enum_query_string_array=enum_query_string_array, enum_query_string=enum_query_string, enum_query_integer=enum_query_integer, enum_query_double=enum_query_double, enum_query_model_array=enum_query_model_array, enum_form_string_array=enum_form_string_array, enum_form_string=enum_form_string)
     except ApiException as e:
         print("Exception when calling FakeApi->test_enum_parameters: %s\n" % e)
 ```
@@ -904,6 +905,7 @@ Name | Type | Description  | Notes
  **enum_query_string** | **str**| Query parameter enum test (string) | [optional] [default to '-efg']
  **enum_query_integer** | **int**| Query parameter enum test (double) | [optional] 
  **enum_query_double** | **float**| Query parameter enum test (double) | [optional] 
+ **enum_query_model_array** | [**list[EnumClass]**](EnumClass.md)|  | [optional] 
  **enum_form_string_array** | [**list[str]**](str.md)| Form parameter enum test (string array) | [optional] [default to '$']
  **enum_form_string** | **str**| Form parameter enum test (string) | [optional] [default to '-efg']
 

samples/openapi3/client/petstore/python-legacy/petstore_api/api/fake_api.py

@@ -1881,6 +1881,8 @@ class FakeApi(object):
         :type enum_query_integer: int
         :param enum_query_double: Query parameter enum test (double)
         :type enum_query_double: float
+        :param enum_query_model_array:
+        :type enum_query_model_array: list[EnumClass]
         :param enum_form_string_array: Form parameter enum test (string array)
         :type enum_form_string_array: list[str]
         :param enum_form_string: Form parameter enum test (string)
@@ -1925,6 +1927,8 @@ class FakeApi(object):
         :type enum_query_integer: int
         :param enum_query_double: Query parameter enum test (double)
         :type enum_query_double: float
+        :param enum_query_model_array:
+        :type enum_query_model_array: list[EnumClass]
         :param enum_form_string_array: Form parameter enum test (string array)
         :type enum_form_string_array: list[str]
         :param enum_form_string: Form parameter enum test (string)
@@ -1962,6 +1966,7 @@ class FakeApi(object):
             'enum_query_string',
             'enum_query_integer',
             'enum_query_double',
+            'enum_query_model_array',
             'enum_form_string_array',
             'enum_form_string'
         ]
@@ -2000,6 +2005,9 @@ class FakeApi(object):
             query_params.append(('enum_query_integer', local_var_params['enum_query_integer']))  # noqa: E501
         if local_var_params.get('enum_query_double') is not None:  # noqa: E501
             query_params.append(('enum_query_double', local_var_params['enum_query_double']))  # noqa: E501
+        if local_var_params.get('enum_query_model_array') is not None:  # noqa: E501
+            query_params.append(('enum_query_model_array', local_var_params['enum_query_model_array']))  # noqa: E501
+            collection_formats['enum_query_model_array'] = 'multi'  # noqa: E501
 
         header_params = dict(local_var_params.get('_headers', {}))
         if 'enum_header_string_array' in local_var_params:

samples/server/petstore/jaxrs-jersey/src/gen/java/org/openapitools/api/FakeApi.java

@@ -10,6 +10,7 @@ import io.swagger.jaxrs.*;
 import java.math.BigDecimal;
 import org.openapitools.model.Client;
 import java.util.Date;
+import org.openapitools.model.EnumClass;
 import java.io.File;
 import org.openapitools.model.FileSchemaTestClass;
 import org.openapitools.model.HealthCheckResult;
@@ -225,9 +226,9 @@ public class FakeApi  {
         @io.swagger.annotations.ApiResponse(code = 400, message = "Invalid request", response = Void.class),
         @io.swagger.annotations.ApiResponse(code = 404, message = "Not found", response = Void.class)
     })
-    public Response testEnumParameters(@ApiParam(value = "Header parameter enum test (string array)" , allowableValues=">, $")@HeaderParam("enum_header_string_array") List<String> enumHeaderStringArray,@ApiParam(value = "Header parameter enum test (string)" , allowableValues="_abc, -efg, (xyz)", defaultValue="-efg")@HeaderParam("enum_header_string") String enumHeaderString,@ApiParam(value = "Query parameter enum test (string array)") @QueryParam("enum_query_string_array") @Valid  List<String> enumQueryStringArray,@ApiParam(value = "Query parameter enum test (string)", allowableValues="_abc, -efg, (xyz)", defaultValue = "-efg") @DefaultValue("-efg") @QueryParam("enum_query_string")  String enumQueryString,@ApiParam(value = "Query parameter enum test (double)", allowableValues="1, -2") @QueryParam("enum_query_integer")  Integer enumQueryInteger,@ApiParam(value = "Query parameter enum test (double)", allowableValues="1.1, -1.2") @QueryParam("enum_query_double")  Double enumQueryDouble,@ApiParam(value = "Form parameter enum test (string array)", allowableValues=">, $", defaultValue="$")  @DefaultValue("$") @FormParam("enum_form_string_array")  List<String> enumFormStringArray,@ApiParam(value = "Form parameter enum test (string)", allowableValues="_abc, -efg, (xyz)", defaultValue="-efg")  @DefaultValue("-efg") @FormParam("enum_form_string")  String enumFormString,@Context SecurityContext securityContext)
+    public Response testEnumParameters(@ApiParam(value = "Header parameter enum test (string array)" , allowableValues=">, $")@HeaderParam("enum_header_string_array") List<String> enumHeaderStringArray,@ApiParam(value = "Header parameter enum test (string)" , allowableValues="_abc, -efg, (xyz)", defaultValue="-efg")@HeaderParam("enum_header_string") String enumHeaderString,@ApiParam(value = "Query parameter enum test (string array)") @QueryParam("enum_query_string_array") @Valid  List<String> enumQueryStringArray,@ApiParam(value = "Query parameter enum test (string)", allowableValues="_abc, -efg, (xyz)", defaultValue = "-efg") @DefaultValue("-efg") @QueryParam("enum_query_string")  String enumQueryString,@ApiParam(value = "Query parameter enum test (double)", allowableValues="1, -2") @QueryParam("enum_query_integer")  Integer enumQueryInteger,@ApiParam(value = "Query parameter enum test (double)", allowableValues="1.1, -1.2") @QueryParam("enum_query_double")  Double enumQueryDouble,@ApiParam(value = "") @QueryParam("enum_query_model_array") @Valid  List<EnumClass> enumQueryModelArray,@ApiParam(value = "Form parameter enum test (string array)", allowableValues=">, $", defaultValue="$")  @DefaultValue("$") @FormParam("enum_form_string_array")  List<String> enumFormStringArray,@ApiParam(value = "Form parameter enum test (string)", allowableValues="_abc, -efg, (xyz)", defaultValue="-efg")  @DefaultValue("-efg") @FormParam("enum_form_string")  String enumFormString,@Context SecurityContext securityContext)
     throws NotFoundException {
-        return delegate.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString, securityContext);
+        return delegate.testEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumQueryModelArray, enumFormStringArray, enumFormString, securityContext);
     }
     @javax.ws.rs.DELETE
     

samples/server/petstore/jaxrs-jersey/src/gen/java/org/openapitools/api/FakeApiService.java

@@ -8,6 +8,7 @@ import org.glassfish.jersey.media.multipart.FormDataBodyPart;
 import java.math.BigDecimal;
 import org.openapitools.model.Client;
 import java.util.Date;
+import org.openapitools.model.EnumClass;
 import java.io.File;
 import org.openapitools.model.FileSchemaTestClass;
 import org.openapitools.model.HealthCheckResult;
@@ -40,7 +41,7 @@ public abstract class FakeApiService {
     public abstract Response testBodyWithQueryParams( @NotNull String query,User user,SecurityContext securityContext) throws NotFoundException;
     public abstract Response testClientModel(Client client,SecurityContext securityContext) throws NotFoundException;
     public abstract Response testEndpointParameters(BigDecimal number,Double _double,String patternWithoutDelimiter,byte[] _byte,Integer integer,Integer int32,Long int64,Float _float,String string,FormDataBodyPart binaryBodypart,Date date,Date dateTime,String password,String paramCallback,SecurityContext securityContext) throws NotFoundException;
-    public abstract Response testEnumParameters(List<String> enumHeaderStringArray,String enumHeaderString,List<String> enumQueryStringArray,String enumQueryString,Integer enumQueryInteger,Double enumQueryDouble,List<String> enumFormStringArray,String enumFormString,SecurityContext securityContext) throws NotFoundException;
+    public abstract Response testEnumParameters(List<String> enumHeaderStringArray,String enumHeaderString,List<String> enumQueryStringArray,String enumQueryString,Integer enumQueryInteger,Double enumQueryDouble,List<EnumClass> enumQueryModelArray,List<String> enumFormStringArray,String enumFormString,SecurityContext securityContext) throws NotFoundException;
     public abstract Response testGroupParameters( @NotNull Integer requiredStringGroup, @NotNull Boolean requiredBooleanGroup, @NotNull Long requiredInt64Group,Integer stringGroup,Boolean booleanGroup,Long int64Group,SecurityContext securityContext) throws NotFoundException;
     public abstract Response testInlineAdditionalProperties(Map<String, String> requestBody,SecurityContext securityContext) throws NotFoundException;
     public abstract Response testJsonFormData(String param,String param2,SecurityContext securityContext) throws NotFoundException;

samples/server/petstore/jaxrs-jersey/src/main/java/org/openapitools/api/impl/FakeApiServiceImpl.java

@@ -6,6 +6,7 @@ import org.openapitools.model.*;
 import java.math.BigDecimal;
 import org.openapitools.model.Client;
 import java.util.Date;
+import org.openapitools.model.EnumClass;
 import java.io.File;
 import org.openapitools.model.FileSchemaTestClass;
 import org.openapitools.model.HealthCheckResult;
@@ -89,7 +90,7 @@ public class FakeApiServiceImpl extends FakeApiService {
         return Response.ok().entity(new ApiResponseMessage(ApiResponseMessage.OK, "magic!")).build();
     }
     @Override
-    public Response testEnumParameters(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<String> enumFormStringArray, String enumFormString, SecurityContext securityContext) throws NotFoundException {
+    public Response testEnumParameters(List<String> enumHeaderStringArray, String enumHeaderString, List<String> enumQueryStringArray, String enumQueryString, Integer enumQueryInteger, Double enumQueryDouble, List<EnumClass> enumQueryModelArray, List<String> enumFormStringArray, String enumFormString, SecurityContext securityContext) throws NotFoundException {
         // do some magic!
         return Response.ok().entity(new ApiResponseMessage(ApiResponseMessage.OK, "magic!")).build();
     }

samples/server/petstore/php-laravel/lib/app/Http/Controllers/FakeController.php

@@ -181,6 +181,8 @@ class FakeController extends Controller
 
         $enumQueryDouble = $input['enumQueryDouble'];
 
+        $enumQueryModelArray = $input['enumQueryModelArray'];
+
         $enumFormStringArray = $input['enumFormStringArray'];
 
         $enumFormString = $input['enumFormString'];

samples/server/petstore/php-lumen/lib/app/Http/Controllers/FakeApi.php

@@ -177,6 +177,8 @@ class FakeApi extends Controller
 
         $enum_query_double = $input['enum_query_double'];
 
+        $enum_query_model_array = $input['enum_query_model_array'];
+
         $enum_form_string_array = $input['enum_form_string_array'];
 
         $enum_form_string = $input['enum_form_string'];