Add test cases to cover different collection formats (#3640)

* add test cases to cover different collection format

* add space params to retrofit 1.x

* add space params to retrofit 2.x

* rename url to localVarUrl

* fix exception in haskell servant

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

@@ -1065,13 +1065,14 @@ public class HaskellHttpClientCodegen extends DefaultCodegen implements CodegenC
             case "tsv":
                 return "TabSeparated";
             case "ssv":
+            case "space":
                 return "SpaceSeparated";
             case "pipes":
                 return "PipeSeparated";
             case "multi":
                 return "MultiParamArray";
             default:
-                throw new UnsupportedOperationException();
+                throw new UnsupportedOperationException(collectionFormat + " (collection format) not supported");
         }
     }
 

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

@@ -549,6 +549,7 @@ public class HaskellServantCodegen extends DefaultCodegen implements CodegenConf
                 return "(QueryList 'CommaSeparated (" + type + "))";
             case "tsv":
                 return "(QueryList 'TabSeparated (" + type + "))";
+            case "space":
             case "ssv":
                 return "(QueryList 'SpaceSeparated (" + type + "))";
             case "pipes":
@@ -556,7 +557,7 @@ public class HaskellServantCodegen extends DefaultCodegen implements CodegenConf
             case "multi":
                 return "(QueryList 'MultiParamArray (" + type + "))";
             default:
-                throw new UnsupportedOperationException();
+                throw new UnsupportedOperationException(collectionFormat + " (collection format) not supported");
         }
     }
 

modules/openapi-generator/src/main/resources/Java/libraries/google-api-client/api.mustache

@@ -104,8 +104,8 @@ public class {{classname}} {
             }
         }{{/queryParams}}{{/hasQueryParams}}
 
-        String url = uriBuilder{{#hasPathParams}}.buildFromMap(uriVariables).toString();{{/hasPathParams}}{{^hasPathParams}}.build().toString();{{/hasPathParams}}
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder{{#hasPathParams}}.buildFromMap(uriVariables).toString();{{/hasPathParams}}{{^hasPathParams}}.build().toString();{{/hasPathParams}}
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = {{#isBodyAllowed}}apiClient.new JacksonJsonHttpContent({{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}null{{/bodyParam}}){{/isBodyAllowed}}{{^isBodyAllowed}}null{{/isBodyAllowed}};
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.{{httpMethod}}, genericUrl, content).execute();
@@ -135,8 +135,8 @@ public class {{classname}} {
                   }
               }{{/queryParams}}{{/hasQueryParams}}
 
-              String url = uriBuilder{{#hasPathParams}}.buildFromMap(uriVariables).toString();{{/hasPathParams}}{{^hasPathParams}}.build().toString();{{/hasPathParams}}
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder{{#hasPathParams}}.buildFromMap(uriVariables).toString();{{/hasPathParams}}{{^hasPathParams}}.build().toString();{{/hasPathParams}}
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = {{#bodyParam}}{{paramName}} == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -176,8 +176,8 @@ public class {{classname}} {
             }
         }
 
-        String url = uriBuilder{{#hasPathParams}}.buildFromMap(uriVariables).toString();{{/hasPathParams}}{{^hasPathParams}}.build().toString();{{/hasPathParams}}
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder{{#hasPathParams}}.buildFromMap(uriVariables).toString();{{/hasPathParams}}{{^hasPathParams}}.build().toString();{{/hasPathParams}}
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = {{#isBodyAllowed}}apiClient.new JacksonJsonHttpContent({{#bodyParam}}{{paramName}}{{/bodyParam}}{{^bodyParam}}null{{/bodyParam}}){{/isBodyAllowed}}{{^isBodyAllowed}}null{{/isBodyAllowed}};
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.{{httpMethod}}, genericUrl, content).execute();

modules/openapi-generator/src/main/resources/Java/libraries/retrofit/CollectionFormats.mustache

@@ -35,6 +35,10 @@ public class CollectionFormats {
         
     }
     
+    public static class SPACEParams extends SSVParams {
+
+    }
+
     public static class SSVParams extends CSVParams {
         
         public SSVParams() {

modules/openapi-generator/src/main/resources/Java/libraries/retrofit2/CollectionFormats.mustache

@@ -35,6 +35,10 @@ public class CollectionFormats {
 
     }
 
+    public static class SPACEParams extends SSVParams {
+
+    }
+
     public static class SSVParams extends CSVParams {
 
         public SSVParams() {

modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml

@@ -1041,6 +1041,53 @@ paths:
       responses:
         '200':
           description: Success
+  /fake/test-query-paramters:
+    put:
+      tags:
+        - fake
+      description: 'To test the collection format in query parameters'
+      operationId: testQueryParameterCollectionFormat
+      parameters:
+        - name: pipe
+          in: query
+          required: true
+          type: array
+          items:
+            type: string
+          collectionFormat: pipe
+        - name: ioutil
+          in: query
+          required: true
+          type: array
+          items:
+            type: string
+          collectionFormat: tsv
+        - name: http
+          in: query
+          required: true
+          type: array
+          items:
+            type: string
+          collectionFormat: ssv
+        - name: url
+          in: query
+          required: true
+          type: array
+          items:
+            type: string
+          collectionFormat: csv
+        - name: context
+          in: query
+          required: true
+          type: array
+          items:
+            type: string
+          collectionFormat: multi
+      consumes:
+        - application/json
+      responses:
+        '200':
+          description: Success
   '/fake/{petId}/uploadImageWithRequiredFile':
     post:
       tags:

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

@@ -989,6 +989,57 @@ paths:
             schema:
               $ref: '#/components/schemas/FileSchemaTestClass'
         required: true
+  /fake/test-query-paramters:
+    put:
+      tags:
+        - fake
+      description: To test the collection format in query parameters
+      operationId: testQueryParameterCollectionFormat
+      parameters:
+        - name: pipe
+          in: query
+          required: true
+          schema:
+            type: array
+            items:
+              type: string
+        - name: ioutil
+          in: query
+          required: true
+          style: form
+          explode: false
+          schema:
+            type: array
+            items:
+              type: string
+        - name: http
+          in: query
+          required: true
+          style: spaceDelimited
+          schema:
+            type: array
+            items:
+              type: string
+        - name: url
+          in: query
+          required: true
+          style: form
+          explode: false
+          schema:
+            type: array
+            items:
+              type: string
+        - name: context
+          in: query
+          required: true
+          explode: true
+          schema:
+            type: array
+            items:
+              type: string
+      responses:
+        "200":
+          description: Success
   '/fake/{petId}/uploadImageWithRequiredFile':
     post:
       tags:

samples/client/petstore/csharp-netcore/OpenAPIClient/README.md

@@ -104,6 +104,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**TestGroupParameters**](docs/FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *FakeApi* | [**TestInlineAdditionalProperties**](docs/FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *FakeApi* | [**TestJsonFormData**](docs/FakeApi.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
+*FakeApi* | [**TestQueryParameterCollectionFormat**](docs/FakeApi.md#testqueryparametercollectionformat) | **PUT** /fake/test-query-paramters | 
 *FakeClassnameTags123Api* | [**TestClassname**](docs/FakeClassnameTags123Api.md#testclassname) | **PATCH** /fake_classname_test | To test class name in snake case
 *PetApi* | [**AddPet**](docs/PetApi.md#addpet) | **POST** /pet | Add a new pet to the store
 *PetApi* | [**DeletePet**](docs/PetApi.md#deletepet) | **DELETE** /pet/{petId} | Deletes a pet

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**TestGroupParameters**](FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**TestInlineAdditionalProperties**](FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**TestJsonFormData**](FakeApi.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
+[**TestQueryParameterCollectionFormat**](FakeApi.md#testqueryparametercollectionformat) | **PUT** /fake/test-query-paramters | 
 
 
 <a name="createxmlitem"></a>
@@ -956,3 +957,78 @@ No authorization required
 
 [[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)
 
+<a name="testqueryparametercollectionformat"></a>
+# **TestQueryParameterCollectionFormat**
+> void TestQueryParameterCollectionFormat (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+```csharp
+using System.Collections.Generic;
+using System.Diagnostics;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Client;
+using Org.OpenAPITools.Model;
+
+namespace Example
+{
+    public class TestQueryParameterCollectionFormatExample
+    {
+        public static void Main()
+        {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
+            var pipe = new List<string>(); // List<string> | 
+            var ioutil = new List<string>(); // List<string> | 
+            var http = new List<string>(); // List<string> | 
+            var url = new List<string>(); // List<string> | 
+            var context = new List<string>(); // List<string> | 
+
+            try
+            {
+                apiInstance.TestQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+            }
+            catch (ApiException  e)
+            {
+                Debug.Print("Exception when calling FakeApi.TestQueryParameterCollectionFormat: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
+            }
+        }
+    }
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;string&gt;**](string.md)|  | 
+ **ioutil** | [**List&lt;string&gt;**](string.md)|  | 
+ **http** | [**List&lt;string&gt;**](string.md)|  | 
+ **url** | [**List&lt;string&gt;**](string.md)|  | 
+ **context** | [**List&lt;string&gt;**](string.md)|  | 
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+
+[[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)
+

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

@@ -354,6 +354,35 @@ namespace Org.OpenAPITools.Api
         /// <param name="param2">field2</param>
         /// <returns>ApiResponse of Object(void)</returns>
         ApiResponse<Object> TestJsonFormDataWithHttpInfo (string param, string param2);
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns></returns>
+        void TestQueryParameterCollectionFormat (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>ApiResponse of Object(void)</returns>
+        ApiResponse<Object> TestQueryParameterCollectionFormatWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
         #endregion Synchronous Operations
     }
 
@@ -690,6 +719,35 @@ namespace Org.OpenAPITools.Api
         /// <param name="param2">field2</param>
         /// <returns>Task of ApiResponse</returns>
         System.Threading.Tasks.Task<ApiResponse<Object>> TestJsonFormDataAsyncWithHttpInfo (string param, string param2);
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of void</returns>
+        System.Threading.Tasks.Task TestQueryParameterCollectionFormatAsync (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of ApiResponse</returns>
+        System.Threading.Tasks.Task<ApiResponse<Object>> TestQueryParameterCollectionFormatAsyncWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
         #endregion Asynchronous Operations
     }
 
@@ -2754,5 +2812,261 @@ namespace Org.OpenAPITools.Api
             return response;
         }
 
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns></returns>
+        public void TestQueryParameterCollectionFormat (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+             TestQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context);
+        }
+
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>ApiResponse of Object(void)</returns>
+        public Org.OpenAPITools.Client.ApiResponse<Object> TestQueryParameterCollectionFormatWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+            // verify the required parameter 'pipe' is set
+            if (pipe == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'pipe' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'ioutil' is set
+            if (ioutil == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'ioutil' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'http' is set
+            if (http == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'http' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'url' is set
+            if (url == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'url' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'context' is set
+            if (context == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'context' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            Org.OpenAPITools.Client.RequestOptions requestOptions = new Org.OpenAPITools.Client.RequestOptions();
+
+            String[] @contentTypes = new String[] {
+            };
+
+            // to determine the Accept header
+            String[] @accepts = new String[] {
+            };
+
+            var localVarContentType = Org.OpenAPITools.Client.ClientUtils.SelectHeaderContentType(@contentTypes);
+            if (localVarContentType != null) requestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+
+            var localVarAccept = Org.OpenAPITools.Client.ClientUtils.SelectHeaderAccept(@accepts);
+            if (localVarAccept != null) requestOptions.HeaderParameters.Add("Accept", localVarAccept);
+
+            if (pipe != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "pipe", pipe))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (ioutil != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "ioutil", ioutil))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (http != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("space", "http", http))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (url != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "url", url))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (context != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("multi", "context", context))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+
+
+            // make the HTTP request
+
+            var response = this.Client.Put<Object>("/fake/test-query-paramters", requestOptions, this.Configuration);
+
+            if (this.ExceptionFactory != null)
+            {
+                Exception exception = this.ExceptionFactory("TestQueryParameterCollectionFormat", response);
+                if (exception != null) throw exception;
+            }
+
+            return response;
+        }
+
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of void</returns>
+        public async System.Threading.Tasks.Task TestQueryParameterCollectionFormatAsync (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+             await TestQueryParameterCollectionFormatAsyncWithHttpInfo(pipe, ioutil, http, url, context);
+
+        }
+
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of ApiResponse</returns>
+        public async System.Threading.Tasks.Task<Org.OpenAPITools.Client.ApiResponse<Object>> TestQueryParameterCollectionFormatAsyncWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+            // verify the required parameter 'pipe' is set
+            if (pipe == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'pipe' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'ioutil' is set
+            if (ioutil == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'ioutil' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'http' is set
+            if (http == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'http' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'url' is set
+            if (url == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'url' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'context' is set
+            if (context == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'context' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+
+            Org.OpenAPITools.Client.RequestOptions requestOptions = new Org.OpenAPITools.Client.RequestOptions();
+
+            String[] @contentTypes = new String[] {
+            };
+
+            // to determine the Accept header
+            String[] @accepts = new String[] {
+            };
+            
+            foreach (var contentType in @contentTypes)
+                requestOptions.HeaderParameters.Add("Content-Type", contentType);
+            
+            foreach (var accept in @accepts)
+                requestOptions.HeaderParameters.Add("Accept", accept);
+            
+            if (pipe != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "pipe", pipe))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (ioutil != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "ioutil", ioutil))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (http != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("space", "http", http))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (url != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "url", url))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (context != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("multi", "context", context))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+
+
+            // make the HTTP request
+
+            var response = await this.AsynchronousClient.PutAsync<Object>("/fake/test-query-paramters", requestOptions, this.Configuration);
+
+            if (this.ExceptionFactory != null)
+            {
+                Exception exception = this.ExceptionFactory("TestQueryParameterCollectionFormat", response);
+                if (exception != null) throw exception;
+            }
+
+            return response;
+        }
+
     }
 }

samples/client/petstore/csharp-netcore/OpenAPIClientCore/README.md

@@ -116,6 +116,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**TestGroupParameters**](docs/FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *FakeApi* | [**TestInlineAdditionalProperties**](docs/FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *FakeApi* | [**TestJsonFormData**](docs/FakeApi.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
+*FakeApi* | [**TestQueryParameterCollectionFormat**](docs/FakeApi.md#testqueryparametercollectionformat) | **PUT** /fake/test-query-paramters | 
 *FakeClassnameTags123Api* | [**TestClassname**](docs/FakeClassnameTags123Api.md#testclassname) | **PATCH** /fake_classname_test | To test class name in snake case
 *PetApi* | [**AddPet**](docs/PetApi.md#addpet) | **POST** /pet | Add a new pet to the store
 *PetApi* | [**DeletePet**](docs/PetApi.md#deletepet) | **DELETE** /pet/{petId} | Deletes a pet

samples/client/petstore/csharp-netcore/OpenAPIClientCore/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**TestGroupParameters**](FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**TestInlineAdditionalProperties**](FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**TestJsonFormData**](FakeApi.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
+[**TestQueryParameterCollectionFormat**](FakeApi.md#testqueryparametercollectionformat) | **PUT** /fake/test-query-paramters | 
 
 
 <a name="createxmlitem"></a>
@@ -956,3 +957,78 @@ No authorization required
 
 [[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)
 
+<a name="testqueryparametercollectionformat"></a>
+# **TestQueryParameterCollectionFormat**
+> void TestQueryParameterCollectionFormat (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+```csharp
+using System.Collections.Generic;
+using System.Diagnostics;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Client;
+using Org.OpenAPITools.Model;
+
+namespace Example
+{
+    public class TestQueryParameterCollectionFormatExample
+    {
+        public static void Main()
+        {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
+            var pipe = new List<string>(); // List<string> | 
+            var ioutil = new List<string>(); // List<string> | 
+            var http = new List<string>(); // List<string> | 
+            var url = new List<string>(); // List<string> | 
+            var context = new List<string>(); // List<string> | 
+
+            try
+            {
+                apiInstance.TestQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+            }
+            catch (ApiException  e)
+            {
+                Debug.Print("Exception when calling FakeApi.TestQueryParameterCollectionFormat: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
+            }
+        }
+    }
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;string&gt;**](string.md)|  | 
+ **ioutil** | [**List&lt;string&gt;**](string.md)|  | 
+ **http** | [**List&lt;string&gt;**](string.md)|  | 
+ **url** | [**List&lt;string&gt;**](string.md)|  | 
+ **context** | [**List&lt;string&gt;**](string.md)|  | 
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+
+[[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)
+

samples/client/petstore/csharp-netcore/OpenAPIClientCore/src/Org.OpenAPITools/Api/FakeApi.cs

@@ -354,6 +354,35 @@ namespace Org.OpenAPITools.Api
         /// <param name="param2">field2</param>
         /// <returns>ApiResponse of Object(void)</returns>
         ApiResponse<Object> TestJsonFormDataWithHttpInfo (string param, string param2);
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns></returns>
+        void TestQueryParameterCollectionFormat (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>ApiResponse of Object(void)</returns>
+        ApiResponse<Object> TestQueryParameterCollectionFormatWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
         #endregion Synchronous Operations
     }
 
@@ -690,6 +719,35 @@ namespace Org.OpenAPITools.Api
         /// <param name="param2">field2</param>
         /// <returns>Task of ApiResponse</returns>
         System.Threading.Tasks.Task<ApiResponse<Object>> TestJsonFormDataAsyncWithHttpInfo (string param, string param2);
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of void</returns>
+        System.Threading.Tasks.Task TestQueryParameterCollectionFormatAsync (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of ApiResponse</returns>
+        System.Threading.Tasks.Task<ApiResponse<Object>> TestQueryParameterCollectionFormatAsyncWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
         #endregion Asynchronous Operations
     }
 
@@ -2754,5 +2812,261 @@ namespace Org.OpenAPITools.Api
             return response;
         }
 
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns></returns>
+        public void TestQueryParameterCollectionFormat (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+             TestQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context);
+        }
+
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>ApiResponse of Object(void)</returns>
+        public Org.OpenAPITools.Client.ApiResponse<Object> TestQueryParameterCollectionFormatWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+            // verify the required parameter 'pipe' is set
+            if (pipe == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'pipe' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'ioutil' is set
+            if (ioutil == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'ioutil' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'http' is set
+            if (http == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'http' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'url' is set
+            if (url == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'url' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'context' is set
+            if (context == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'context' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            Org.OpenAPITools.Client.RequestOptions requestOptions = new Org.OpenAPITools.Client.RequestOptions();
+
+            String[] @contentTypes = new String[] {
+            };
+
+            // to determine the Accept header
+            String[] @accepts = new String[] {
+            };
+
+            var localVarContentType = Org.OpenAPITools.Client.ClientUtils.SelectHeaderContentType(@contentTypes);
+            if (localVarContentType != null) requestOptions.HeaderParameters.Add("Content-Type", localVarContentType);
+
+            var localVarAccept = Org.OpenAPITools.Client.ClientUtils.SelectHeaderAccept(@accepts);
+            if (localVarAccept != null) requestOptions.HeaderParameters.Add("Accept", localVarAccept);
+
+            if (pipe != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "pipe", pipe))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (ioutil != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "ioutil", ioutil))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (http != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("space", "http", http))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (url != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "url", url))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (context != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("multi", "context", context))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+
+
+            // make the HTTP request
+
+            var response = this.Client.Put<Object>("/fake/test-query-paramters", requestOptions, this.Configuration);
+
+            if (this.ExceptionFactory != null)
+            {
+                Exception exception = this.ExceptionFactory("TestQueryParameterCollectionFormat", response);
+                if (exception != null) throw exception;
+            }
+
+            return response;
+        }
+
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of void</returns>
+        public async System.Threading.Tasks.Task TestQueryParameterCollectionFormatAsync (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+             await TestQueryParameterCollectionFormatAsyncWithHttpInfo(pipe, ioutil, http, url, context);
+
+        }
+
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of ApiResponse</returns>
+        public async System.Threading.Tasks.Task<Org.OpenAPITools.Client.ApiResponse<Object>> TestQueryParameterCollectionFormatAsyncWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+            // verify the required parameter 'pipe' is set
+            if (pipe == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'pipe' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'ioutil' is set
+            if (ioutil == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'ioutil' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'http' is set
+            if (http == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'http' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'url' is set
+            if (url == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'url' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            // verify the required parameter 'context' is set
+            if (context == null)
+                throw new Org.OpenAPITools.Client.ApiException(400, "Missing required parameter 'context' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+
+            Org.OpenAPITools.Client.RequestOptions requestOptions = new Org.OpenAPITools.Client.RequestOptions();
+
+            String[] @contentTypes = new String[] {
+            };
+
+            // to determine the Accept header
+            String[] @accepts = new String[] {
+            };
+            
+            foreach (var contentType in @contentTypes)
+                requestOptions.HeaderParameters.Add("Content-Type", contentType);
+            
+            foreach (var accept in @accepts)
+                requestOptions.HeaderParameters.Add("Accept", accept);
+            
+            if (pipe != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "pipe", pipe))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (ioutil != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "ioutil", ioutil))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (http != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("space", "http", http))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (url != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("csv", "url", url))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+            if (context != null)
+            {
+                foreach (var kvp in Org.OpenAPITools.Client.ClientUtils.ParameterToMultiMap("multi", "context", context))
+                {
+                    foreach (var value in kvp.Value)
+                    {
+                        requestOptions.QueryParameters.Add(kvp.Key, value);
+                    }
+                }
+            }
+
+
+            // make the HTTP request
+
+            var response = await this.AsynchronousClient.PutAsync<Object>("/fake/test-query-paramters", requestOptions, this.Configuration);
+
+            if (this.ExceptionFactory != null)
+            {
+                Exception exception = this.ExceptionFactory("TestQueryParameterCollectionFormat", response);
+                if (exception != null) throw exception;
+            }
+
+            return response;
+        }
+
     }
 }

samples/client/petstore/csharp/OpenAPIClient/README.md

@@ -119,6 +119,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**TestGroupParameters**](docs/FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *FakeApi* | [**TestInlineAdditionalProperties**](docs/FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *FakeApi* | [**TestJsonFormData**](docs/FakeApi.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
+*FakeApi* | [**TestQueryParameterCollectionFormat**](docs/FakeApi.md#testqueryparametercollectionformat) | **PUT** /fake/test-query-paramters | 
 *FakeClassnameTags123Api* | [**TestClassname**](docs/FakeClassnameTags123Api.md#testclassname) | **PATCH** /fake_classname_test | To test class name in snake case
 *PetApi* | [**AddPet**](docs/PetApi.md#addpet) | **POST** /pet | Add a new pet to the store
 *PetApi* | [**DeletePet**](docs/PetApi.md#deletepet) | **DELETE** /pet/{petId} | Deletes a pet

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**TestGroupParameters**](FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**TestInlineAdditionalProperties**](FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**TestJsonFormData**](FakeApi.md#testjsonformdata) | **GET** /fake/jsonFormData | test json serialization of form data
+[**TestQueryParameterCollectionFormat**](FakeApi.md#testqueryparametercollectionformat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -1034,3 +1035,84 @@ No authorization required
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to README]](../README.md)
 
+
+## TestQueryParameterCollectionFormat
+
+> void TestQueryParameterCollectionFormat (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```csharp
+using System.Collections.Generic;
+using System.Diagnostics;
+using Org.OpenAPITools.Api;
+using Org.OpenAPITools.Client;
+using Org.OpenAPITools.Model;
+
+namespace Example
+{
+    public class TestQueryParameterCollectionFormatExample
+    {
+        public static void Main()
+        {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
+            var pipe = new List<string>(); // List<string> | 
+            var ioutil = new List<string>(); // List<string> | 
+            var http = new List<string>(); // List<string> | 
+            var url = new List<string>(); // List<string> | 
+            var context = new List<string>(); // List<string> | 
+
+            try
+            {
+                apiInstance.TestQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+            }
+            catch (ApiException e)
+            {
+                Debug.Print("Exception when calling FakeApi.TestQueryParameterCollectionFormat: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
+            }
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;string&gt;**](string.md)|  | 
+ **ioutil** | [**List&lt;string&gt;**](string.md)|  | 
+ **http** | [**List&lt;string&gt;**](string.md)|  | 
+ **url** | [**List&lt;string&gt;**](string.md)|  | 
+ **context** | [**List&lt;string&gt;**](string.md)|  | 
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+
+[[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)
+

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

@@ -351,6 +351,35 @@ namespace Org.OpenAPITools.Api
         /// <param name="param2">field2</param>
         /// <returns>ApiResponse of Object(void)</returns>
         ApiResponse<Object> TestJsonFormDataWithHttpInfo (string param, string param2);
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns></returns>
+        void TestQueryParameterCollectionFormat (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>ApiResponse of Object(void)</returns>
+        ApiResponse<Object> TestQueryParameterCollectionFormatWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
         #endregion Synchronous Operations
         #region Asynchronous Operations
         /// <summary>
@@ -680,6 +709,35 @@ namespace Org.OpenAPITools.Api
         /// <param name="param2">field2</param>
         /// <returns>Task of ApiResponse</returns>
         System.Threading.Tasks.Task<ApiResponse<Object>> TestJsonFormDataAsyncWithHttpInfo (string param, string param2);
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of void</returns>
+        System.Threading.Tasks.Task TestQueryParameterCollectionFormatAsync (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <remarks>
+        /// To test the collection format in query parameters
+        /// </remarks>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of ApiResponse</returns>
+        System.Threading.Tasks.Task<ApiResponse<Object>> TestQueryParameterCollectionFormatAsyncWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context);
         #endregion Asynchronous Operations
     }
 
@@ -2826,5 +2884,182 @@ namespace Org.OpenAPITools.Api
                 null);
         }
 
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns></returns>
+        public void TestQueryParameterCollectionFormat (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+             TestQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context);
+        }
+
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>ApiResponse of Object(void)</returns>
+        public ApiResponse<Object> TestQueryParameterCollectionFormatWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+            // verify the required parameter 'pipe' is set
+            if (pipe == null)
+                throw new ApiException(400, "Missing required parameter 'pipe' when calling FakeApi->TestQueryParameterCollectionFormat");
+            // verify the required parameter 'ioutil' is set
+            if (ioutil == null)
+                throw new ApiException(400, "Missing required parameter 'ioutil' when calling FakeApi->TestQueryParameterCollectionFormat");
+            // verify the required parameter 'http' is set
+            if (http == null)
+                throw new ApiException(400, "Missing required parameter 'http' when calling FakeApi->TestQueryParameterCollectionFormat");
+            // verify the required parameter 'url' is set
+            if (url == null)
+                throw new ApiException(400, "Missing required parameter 'url' when calling FakeApi->TestQueryParameterCollectionFormat");
+            // verify the required parameter 'context' is set
+            if (context == null)
+                throw new ApiException(400, "Missing required parameter 'context' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            var localVarPath = "/fake/test-query-paramters";
+            var localVarPathParams = new Dictionary<String, String>();
+            var localVarQueryParams = new List<KeyValuePair<String, String>>();
+            var localVarHeaderParams = new Dictionary<String, String>(this.Configuration.DefaultHeader);
+            var localVarFormParams = new Dictionary<String, String>();
+            var localVarFileParams = new Dictionary<String, FileParameter>();
+            Object localVarPostBody = null;
+
+            // to determine the Content-Type header
+            String[] localVarHttpContentTypes = new String[] {
+            };
+            String localVarHttpContentType = this.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes);
+
+            // to determine the Accept header
+            String[] localVarHttpHeaderAccepts = new String[] {
+            };
+            String localVarHttpHeaderAccept = this.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts);
+            if (localVarHttpHeaderAccept != null)
+                localVarHeaderParams.Add("Accept", localVarHttpHeaderAccept);
+
+            if (pipe != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("csv", "pipe", pipe)); // query parameter
+            if (ioutil != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("csv", "ioutil", ioutil)); // query parameter
+            if (http != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("space", "http", http)); // query parameter
+            if (url != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("csv", "url", url)); // query parameter
+            if (context != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("multi", "context", context)); // query parameter
+
+
+            // make the HTTP request
+            IRestResponse localVarResponse = (IRestResponse) this.Configuration.ApiClient.CallApi(localVarPath,
+                Method.PUT, localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarFileParams,
+                localVarPathParams, localVarHttpContentType);
+
+            int localVarStatusCode = (int) localVarResponse.StatusCode;
+
+            if (ExceptionFactory != null)
+            {
+                Exception exception = ExceptionFactory("TestQueryParameterCollectionFormat", localVarResponse);
+                if (exception != null) throw exception;
+            }
+
+            return new ApiResponse<Object>(localVarStatusCode,
+                localVarResponse.Headers.ToDictionary(x => x.Name, x => string.Join(",", x.Value)),
+                null);
+        }
+
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of void</returns>
+        public async System.Threading.Tasks.Task TestQueryParameterCollectionFormatAsync (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+             await TestQueryParameterCollectionFormatAsyncWithHttpInfo(pipe, ioutil, http, url, context);
+
+        }
+
+        /// <summary>
+        ///  To test the collection format in query parameters
+        /// </summary>
+        /// <exception cref="Org.OpenAPITools.Client.ApiException">Thrown when fails to make API call</exception>
+        /// <param name="pipe"></param>
+        /// <param name="ioutil"></param>
+        /// <param name="http"></param>
+        /// <param name="url"></param>
+        /// <param name="context"></param>
+        /// <returns>Task of ApiResponse</returns>
+        public async System.Threading.Tasks.Task<ApiResponse<Object>> TestQueryParameterCollectionFormatAsyncWithHttpInfo (List<string> pipe, List<string> ioutil, List<string> http, List<string> url, List<string> context)
+        {
+            // verify the required parameter 'pipe' is set
+            if (pipe == null)
+                throw new ApiException(400, "Missing required parameter 'pipe' when calling FakeApi->TestQueryParameterCollectionFormat");
+            // verify the required parameter 'ioutil' is set
+            if (ioutil == null)
+                throw new ApiException(400, "Missing required parameter 'ioutil' when calling FakeApi->TestQueryParameterCollectionFormat");
+            // verify the required parameter 'http' is set
+            if (http == null)
+                throw new ApiException(400, "Missing required parameter 'http' when calling FakeApi->TestQueryParameterCollectionFormat");
+            // verify the required parameter 'url' is set
+            if (url == null)
+                throw new ApiException(400, "Missing required parameter 'url' when calling FakeApi->TestQueryParameterCollectionFormat");
+            // verify the required parameter 'context' is set
+            if (context == null)
+                throw new ApiException(400, "Missing required parameter 'context' when calling FakeApi->TestQueryParameterCollectionFormat");
+
+            var localVarPath = "/fake/test-query-paramters";
+            var localVarPathParams = new Dictionary<String, String>();
+            var localVarQueryParams = new List<KeyValuePair<String, String>>();
+            var localVarHeaderParams = new Dictionary<String, String>(this.Configuration.DefaultHeader);
+            var localVarFormParams = new Dictionary<String, String>();
+            var localVarFileParams = new Dictionary<String, FileParameter>();
+            Object localVarPostBody = null;
+
+            // to determine the Content-Type header
+            String[] localVarHttpContentTypes = new String[] {
+            };
+            String localVarHttpContentType = this.Configuration.ApiClient.SelectHeaderContentType(localVarHttpContentTypes);
+
+            // to determine the Accept header
+            String[] localVarHttpHeaderAccepts = new String[] {
+            };
+            String localVarHttpHeaderAccept = this.Configuration.ApiClient.SelectHeaderAccept(localVarHttpHeaderAccepts);
+            if (localVarHttpHeaderAccept != null)
+                localVarHeaderParams.Add("Accept", localVarHttpHeaderAccept);
+
+            if (pipe != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("csv", "pipe", pipe)); // query parameter
+            if (ioutil != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("csv", "ioutil", ioutil)); // query parameter
+            if (http != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("space", "http", http)); // query parameter
+            if (url != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("csv", "url", url)); // query parameter
+            if (context != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("multi", "context", context)); // query parameter
+
+
+            // make the HTTP request
+            IRestResponse localVarResponse = (IRestResponse) await this.Configuration.ApiClient.CallApiAsync(localVarPath,
+                Method.PUT, localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarFileParams,
+                localVarPathParams, localVarHttpContentType);
+
+            int localVarStatusCode = (int) localVarResponse.StatusCode;
+
+            if (ExceptionFactory != null)
+            {
+                Exception exception = ExceptionFactory("TestQueryParameterCollectionFormat", localVarResponse);
+                if (exception != null) throw exception;
+            }
+
+            return new ApiResponse<Object>(localVarStatusCode,
+                localVarResponse.Headers.ToDictionary(x => x.Name, x => string.Join(",", x.Value)),
+                null);
+        }
+
     }
 }

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

@@ -429,4 +429,38 @@ defmodule OpenapiPetstore.Api.Fake do
       { 200, false}
     ])
   end
+
+  @doc """
+  To test the collection format in query parameters
+
+  ## Parameters
+
+  - connection (OpenapiPetstore.Connection): Connection to server
+  - pipe ([String.t]): 
+  - ioutil ([String.t]): 
+  - http ([String.t]): 
+  - url ([String.t]): 
+  - context ([String.t]): 
+  - opts (KeywordList): [optional] Optional parameters
+  ## Returns
+
+  {:ok, %{}} on success
+  {:error, info} on failure
+  """
+  @spec test_query_parameter_collection_format(Tesla.Env.client, list(String.t), list(String.t), list(String.t), list(String.t), list(String.t), keyword()) :: {:ok, nil} | {:error, Tesla.Env.t}
+  def test_query_parameter_collection_format(connection, pipe, ioutil, http, url, context, _opts \\ []) do
+    %{}
+    |> method(:put)
+    |> url("/fake/test-query-paramters")
+    |> add_param(:query, :"pipe", pipe)
+    |> add_param(:query, :"ioutil", ioutil)
+    |> add_param(:query, :"http", http)
+    |> add_param(:query, :"url", url)
+    |> add_param(:query, :"context", context)
+    |> Enum.into([])
+    |> (&Connection.request(connection, &1)).()
+    |> evaluate_response([
+      { 200, false}
+    ])
+  end
 end

samples/client/petstore/go/go-petstore-withXml/README.md

@@ -46,6 +46,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**TestGroupParameters**](docs/FakeApi.md#testgroupparameters) | **Delete** /fake | Fake endpoint to test group parameters (optional)
 *FakeApi* | [**TestInlineAdditionalProperties**](docs/FakeApi.md#testinlineadditionalproperties) | **Post** /fake/inline-additionalProperties | test inline additionalProperties
 *FakeApi* | [**TestJsonFormData**](docs/FakeApi.md#testjsonformdata) | **Get** /fake/jsonFormData | test json serialization of form data
+*FakeApi* | [**TestQueryParameterCollectionFormat**](docs/FakeApi.md#testqueryparametercollectionformat) | **Put** /fake/test-query-paramters | 
 *FakeClassnameTags123Api* | [**TestClassname**](docs/FakeClassnameTags123Api.md#testclassname) | **Patch** /fake_classname_test | To test class name in snake case
 *PetApi* | [**AddPet**](docs/PetApi.md#addpet) | **Post** /pet | Add a new pet to the store
 *PetApi* | [**DeletePet**](docs/PetApi.md#deletepet) | **Delete** /pet/{petId} | Deletes a pet

samples/client/petstore/go/go-petstore-withXml/api/openapi.yaml

@@ -1100,6 +1100,59 @@ paths:
       tags:
       - fake
       x-codegen-request-body-name: body
+  /fake/test-query-paramters:
+    put:
+      description: To test the collection format in query parameters
+      operationId: testQueryParameterCollectionFormat
+      parameters:
+      - explode: false
+        in: query
+        name: pipe
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: form
+      - in: query
+        name: ioutil
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+      - in: query
+        name: http
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: spaceDelimited
+      - explode: false
+        in: query
+        name: url
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: form
+      - explode: true
+        in: query
+        name: context
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: form
+      responses:
+        200:
+          content: {}
+          description: Success
+      tags:
+      - fake
   /fake/{petId}/uploadImageWithRequiredFile:
     post:
       operationId: uploadFileWithRequiredFile

samples/client/petstore/go/go-petstore-withXml/api_fake.go

@@ -17,6 +17,7 @@ import (
 	_neturl "net/url"
 	"github.com/antihax/optional"
 	"os"
+	"reflect"
 )
 
 // Linger please
@@ -1207,3 +1208,86 @@ func (a *FakeApiService) TestJsonFormData(ctx _context.Context, param string, pa
 
 	return localVarHttpResponse, nil
 }
+
+/*
+FakeApiService
+To test the collection format in query parameters
+ * @param ctx _context.Context - for authentication, logging, cancellation, deadlines, tracing, etc. Passed from http.Request or context.Background().
+ * @param pipe
+ * @param ioutil
+ * @param http
+ * @param url
+ * @param context
+*/
+func (a *FakeApiService) TestQueryParameterCollectionFormat(ctx _context.Context, pipe []string, ioutil []string, http []string, url []string, context []string) (*_nethttp.Response, error) {
+	var (
+		localVarHttpMethod   = _nethttp.MethodPut
+		localVarPostBody     interface{}
+		localVarFormFileName string
+		localVarFileName     string
+		localVarFileBytes    []byte
+	)
+
+	// create path and map variables
+	localVarPath := a.client.cfg.BasePath + "/fake/test-query-paramters"
+
+	localVarHeaderParams := make(map[string]string)
+	localVarQueryParams := _neturl.Values{}
+	localVarFormParams := _neturl.Values{}
+
+	localVarQueryParams.Add("pipe", parameterToString(pipe, "csv"))
+	localVarQueryParams.Add("ioutil", parameterToString(ioutil, "csv"))
+	localVarQueryParams.Add("http", parameterToString(http, "space"))
+	localVarQueryParams.Add("url", parameterToString(url, "csv"))
+	t:=context
+	if reflect.TypeOf(t).Kind() == reflect.Slice {
+		s := reflect.ValueOf(t)
+		for i := 0; i < s.Len(); i++ {
+			localVarQueryParams.Add("context", parameterToString(s.Index(i), "multi"))
+		}
+	} else {
+		localVarQueryParams.Add("context", parameterToString(t, "multi"))
+	}
+	// to determine the Content-Type header
+	localVarHttpContentTypes := []string{}
+
+	// set Content-Type header
+	localVarHttpContentType := selectHeaderContentType(localVarHttpContentTypes)
+	if localVarHttpContentType != "" {
+		localVarHeaderParams["Content-Type"] = localVarHttpContentType
+	}
+
+	// to determine the Accept header
+	localVarHttpHeaderAccepts := []string{}
+
+	// set Accept header
+	localVarHttpHeaderAccept := selectHeaderAccept(localVarHttpHeaderAccepts)
+	if localVarHttpHeaderAccept != "" {
+		localVarHeaderParams["Accept"] = localVarHttpHeaderAccept
+	}
+	r, err := a.client.prepareRequest(ctx, localVarPath, localVarHttpMethod, localVarPostBody, localVarHeaderParams, localVarQueryParams, localVarFormParams, localVarFormFileName, localVarFileName, localVarFileBytes)
+	if err != nil {
+		return nil, err
+	}
+
+	localVarHttpResponse, err := a.client.callAPI(r)
+	if err != nil || localVarHttpResponse == nil {
+		return localVarHttpResponse, err
+	}
+
+	localVarBody, err := _ioutil.ReadAll(localVarHttpResponse.Body)
+	localVarHttpResponse.Body.Close()
+	if err != nil {
+		return localVarHttpResponse, err
+	}
+
+	if localVarHttpResponse.StatusCode >= 300 {
+		newErr := GenericOpenAPIError{
+			body:  localVarBody,
+			error: localVarHttpResponse.Status,
+		}
+		return localVarHttpResponse, newErr
+	}
+
+	return localVarHttpResponse, nil
+}

samples/client/petstore/go/go-petstore-withXml/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**TestGroupParameters**](FakeApi.md#TestGroupParameters) | **Delete** /fake | Fake endpoint to test group parameters (optional)
 [**TestInlineAdditionalProperties**](FakeApi.md#TestInlineAdditionalProperties) | **Post** /fake/inline-additionalProperties | test inline additionalProperties
 [**TestJsonFormData**](FakeApi.md#TestJsonFormData) | **Get** /fake/jsonFormData | test json serialization of form data
+[**TestQueryParameterCollectionFormat**](FakeApi.md#TestQueryParameterCollectionFormat) | **Put** /fake/test-query-paramters | 
 
 
 
@@ -539,3 +540,40 @@ No authorization required
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to README]](../README.md)
 
+
+## TestQueryParameterCollectionFormat
+
+> TestQueryParameterCollectionFormat(ctx, pipe, ioutil, http, url, context)
+
+
+To test the collection format in query parameters
+
+### Required Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**ctx** | **context.Context** | context for authentication, logging, cancellation, deadlines, tracing, etc.
+**pipe** | [**[]string**](string.md)|  | 
+**ioutil** | [**[]string**](string.md)|  | 
+**http** | [**[]string**](string.md)|  | 
+**url** | [**[]string**](string.md)|  | 
+**context** | [**[]string**](string.md)|  | 
+
+### Return type
+
+ (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+[[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)
+

samples/client/petstore/go/go-petstore/README.md

@@ -46,6 +46,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**TestGroupParameters**](docs/FakeApi.md#testgroupparameters) | **Delete** /fake | Fake endpoint to test group parameters (optional)
 *FakeApi* | [**TestInlineAdditionalProperties**](docs/FakeApi.md#testinlineadditionalproperties) | **Post** /fake/inline-additionalProperties | test inline additionalProperties
 *FakeApi* | [**TestJsonFormData**](docs/FakeApi.md#testjsonformdata) | **Get** /fake/jsonFormData | test json serialization of form data
+*FakeApi* | [**TestQueryParameterCollectionFormat**](docs/FakeApi.md#testqueryparametercollectionformat) | **Put** /fake/test-query-paramters | 
 *FakeClassnameTags123Api* | [**TestClassname**](docs/FakeClassnameTags123Api.md#testclassname) | **Patch** /fake_classname_test | To test class name in snake case
 *PetApi* | [**AddPet**](docs/PetApi.md#addpet) | **Post** /pet | Add a new pet to the store
 *PetApi* | [**DeletePet**](docs/PetApi.md#deletepet) | **Delete** /pet/{petId} | Deletes a pet

samples/client/petstore/go/go-petstore/api/openapi.yaml

@@ -1100,6 +1100,59 @@ paths:
       tags:
       - fake
       x-codegen-request-body-name: body
+  /fake/test-query-paramters:
+    put:
+      description: To test the collection format in query parameters
+      operationId: testQueryParameterCollectionFormat
+      parameters:
+      - explode: false
+        in: query
+        name: pipe
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: form
+      - in: query
+        name: ioutil
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+      - in: query
+        name: http
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: spaceDelimited
+      - explode: false
+        in: query
+        name: url
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: form
+      - explode: true
+        in: query
+        name: context
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: form
+      responses:
+        200:
+          content: {}
+          description: Success
+      tags:
+      - fake
   /fake/{petId}/uploadImageWithRequiredFile:
     post:
       operationId: uploadFileWithRequiredFile

samples/client/petstore/go/go-petstore/api_fake.go

@@ -16,6 +16,7 @@ import (
 	_neturl "net/url"
 	"github.com/antihax/optional"
 	"os"
+	"reflect"
 )
 
 // Linger please
@@ -1206,3 +1207,86 @@ func (a *FakeApiService) TestJsonFormData(ctx _context.Context, param string, pa
 
 	return localVarHttpResponse, nil
 }
+
+/*
+FakeApiService
+To test the collection format in query parameters
+ * @param ctx _context.Context - for authentication, logging, cancellation, deadlines, tracing, etc. Passed from http.Request or context.Background().
+ * @param pipe
+ * @param ioutil
+ * @param http
+ * @param url
+ * @param context
+*/
+func (a *FakeApiService) TestQueryParameterCollectionFormat(ctx _context.Context, pipe []string, ioutil []string, http []string, url []string, context []string) (*_nethttp.Response, error) {
+	var (
+		localVarHttpMethod   = _nethttp.MethodPut
+		localVarPostBody     interface{}
+		localVarFormFileName string
+		localVarFileName     string
+		localVarFileBytes    []byte
+	)
+
+	// create path and map variables
+	localVarPath := a.client.cfg.BasePath + "/fake/test-query-paramters"
+
+	localVarHeaderParams := make(map[string]string)
+	localVarQueryParams := _neturl.Values{}
+	localVarFormParams := _neturl.Values{}
+
+	localVarQueryParams.Add("pipe", parameterToString(pipe, "csv"))
+	localVarQueryParams.Add("ioutil", parameterToString(ioutil, "csv"))
+	localVarQueryParams.Add("http", parameterToString(http, "space"))
+	localVarQueryParams.Add("url", parameterToString(url, "csv"))
+	t:=context
+	if reflect.TypeOf(t).Kind() == reflect.Slice {
+		s := reflect.ValueOf(t)
+		for i := 0; i < s.Len(); i++ {
+			localVarQueryParams.Add("context", parameterToString(s.Index(i), "multi"))
+		}
+	} else {
+		localVarQueryParams.Add("context", parameterToString(t, "multi"))
+	}
+	// to determine the Content-Type header
+	localVarHttpContentTypes := []string{}
+
+	// set Content-Type header
+	localVarHttpContentType := selectHeaderContentType(localVarHttpContentTypes)
+	if localVarHttpContentType != "" {
+		localVarHeaderParams["Content-Type"] = localVarHttpContentType
+	}
+
+	// to determine the Accept header
+	localVarHttpHeaderAccepts := []string{}
+
+	// set Accept header
+	localVarHttpHeaderAccept := selectHeaderAccept(localVarHttpHeaderAccepts)
+	if localVarHttpHeaderAccept != "" {
+		localVarHeaderParams["Accept"] = localVarHttpHeaderAccept
+	}
+	r, err := a.client.prepareRequest(ctx, localVarPath, localVarHttpMethod, localVarPostBody, localVarHeaderParams, localVarQueryParams, localVarFormParams, localVarFormFileName, localVarFileName, localVarFileBytes)
+	if err != nil {
+		return nil, err
+	}
+
+	localVarHttpResponse, err := a.client.callAPI(r)
+	if err != nil || localVarHttpResponse == nil {
+		return localVarHttpResponse, err
+	}
+
+	localVarBody, err := _ioutil.ReadAll(localVarHttpResponse.Body)
+	localVarHttpResponse.Body.Close()
+	if err != nil {
+		return localVarHttpResponse, err
+	}
+
+	if localVarHttpResponse.StatusCode >= 300 {
+		newErr := GenericOpenAPIError{
+			body:  localVarBody,
+			error: localVarHttpResponse.Status,
+		}
+		return localVarHttpResponse, newErr
+	}
+
+	return localVarHttpResponse, nil
+}

samples/client/petstore/go/go-petstore/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**TestGroupParameters**](FakeApi.md#TestGroupParameters) | **Delete** /fake | Fake endpoint to test group parameters (optional)
 [**TestInlineAdditionalProperties**](FakeApi.md#TestInlineAdditionalProperties) | **Post** /fake/inline-additionalProperties | test inline additionalProperties
 [**TestJsonFormData**](FakeApi.md#TestJsonFormData) | **Get** /fake/jsonFormData | test json serialization of form data
+[**TestQueryParameterCollectionFormat**](FakeApi.md#TestQueryParameterCollectionFormat) | **Put** /fake/test-query-paramters | 
 
 
 
@@ -539,3 +540,40 @@ No authorization required
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to README]](../README.md)
 
+
+## TestQueryParameterCollectionFormat
+
+> TestQueryParameterCollectionFormat(ctx, pipe, ioutil, http, url, context)
+
+
+To test the collection format in query parameters
+
+### Required Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+**ctx** | **context.Context** | context for authentication, logging, cancellation, deadlines, tracing, etc.
+**pipe** | [**[]string**](string.md)|  | 
+**ioutil** | [**[]string**](string.md)|  | 
+**http** | [**[]string**](string.md)|  | 
+**url** | [**[]string**](string.md)|  | 
+**context** | [**[]string**](string.md)|  | 
+
+### Return type
+
+ (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+[[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)
+

samples/client/petstore/haskell-http-client/lib/OpenAPIPetstore/API/Fake.hs

@@ -504,3 +504,28 @@ instance Consumes TestJsonFormData MimeFormUrlEncoded
 
 instance Produces TestJsonFormData MimeNoContent
 
+
+-- *** testQueryParameterCollectionFormat
+
+-- | @PUT \/fake\/test-query-paramters@
+-- 
+-- To test the collection format in query parameters
+-- 
+testQueryParameterCollectionFormat 
+  :: Pipe -- ^ "pipe"
+  -> Ioutil -- ^ "ioutil"
+  -> Http -- ^ "http"
+  -> Url -- ^ "url"
+  -> Context -- ^ "context"
+  -> OpenAPIPetstoreRequest TestQueryParameterCollectionFormat MimeNoContent NoContent MimeNoContent
+testQueryParameterCollectionFormat (Pipe pipe) (Ioutil ioutil) (Http http) (Url url) (Context context) =
+  _mkRequest "PUT" ["/fake/test-query-paramters"]
+    `setQuery` toQueryColl CommaSeparated ("pipe", Just pipe)
+    `setQuery` toQueryColl CommaSeparated ("ioutil", Just ioutil)
+    `setQuery` toQueryColl SpaceSeparated ("http", Just http)
+    `setQuery` toQueryColl CommaSeparated ("url", Just url)
+    `setQuery` toQueryColl MultiParamArray ("context", Just context)
+
+data TestQueryParameterCollectionFormat  
+instance Produces TestQueryParameterCollectionFormat MimeNoContent
+

samples/client/petstore/haskell-http-client/lib/OpenAPIPetstore/Model.hs

@@ -93,6 +93,9 @@ newtype Byte = Byte { unByte :: ByteArray } deriving (P.Eq, P.Show)
 -- ** Callback
 newtype Callback = Callback { unCallback :: Text } deriving (P.Eq, P.Show)
 
+-- ** Context
+newtype Context = Context { unContext :: [Text] } deriving (P.Eq, P.Show)
+
 -- ** EnumFormString
 newtype EnumFormString = EnumFormString { unEnumFormString :: E'EnumFormString } deriving (P.Eq, P.Show)
 
@@ -120,6 +123,9 @@ newtype EnumQueryStringArray = EnumQueryStringArray { unEnumQueryStringArray ::
 -- ** File2
 newtype File2 = File2 { unFile2 :: FilePath } deriving (P.Eq, P.Show)
 
+-- ** Http
+newtype Http = Http { unHttp :: [Text] } deriving (P.Eq, P.Show)
+
 -- ** Int32
 newtype Int32 = Int32 { unInt32 :: Int } deriving (P.Eq, P.Show)
 
@@ -129,6 +135,9 @@ newtype Int64 = Int64 { unInt64 :: Integer } deriving (P.Eq, P.Show)
 -- ** Int64Group
 newtype Int64Group = Int64Group { unInt64Group :: Integer } deriving (P.Eq, P.Show)
 
+-- ** Ioutil
+newtype Ioutil = Ioutil { unIoutil :: [Text] } deriving (P.Eq, P.Show)
+
 -- ** Name2
 newtype Name2 = Name2 { unName2 :: Text } deriving (P.Eq, P.Show)
 
@@ -180,6 +189,9 @@ newtype PatternWithoutDelimiter = PatternWithoutDelimiter { unPatternWithoutDeli
 -- ** PetId
 newtype PetId = PetId { unPetId :: Integer } deriving (P.Eq, P.Show)
 
+-- ** Pipe
+newtype Pipe = Pipe { unPipe :: [Text] } deriving (P.Eq, P.Show)
+
 -- ** Query
 newtype Query = Query { unQuery :: Text } deriving (P.Eq, P.Show)
 
@@ -207,6 +219,9 @@ newtype StringGroup = StringGroup { unStringGroup :: Int } deriving (P.Eq, P.Sho
 -- ** Tags
 newtype Tags = Tags { unTags :: [Text] } deriving (P.Eq, P.Show)
 
+-- ** Url
+newtype Url = Url { unUrl :: [Text] } deriving (P.Eq, P.Show)
+
 -- ** Username
 newtype Username = Username { unUsername :: Text } deriving (P.Eq, P.Show)
 

samples/client/petstore/haskell-http-client/openapi.yaml

@@ -1100,6 +1100,59 @@ paths:
       tags:
       - fake
       x-codegen-request-body-name: body
+  /fake/test-query-paramters:
+    put:
+      description: To test the collection format in query parameters
+      operationId: testQueryParameterCollectionFormat
+      parameters:
+      - explode: false
+        in: query
+        name: pipe
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: form
+      - in: query
+        name: ioutil
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+      - in: query
+        name: http
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: spaceDelimited
+      - explode: false
+        in: query
+        name: url
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: form
+      - explode: true
+        in: query
+        name: context
+        required: true
+        schema:
+          items:
+            type: string
+          type: array
+        style: form
+      responses:
+        200:
+          content: {}
+          description: Success
+      tags:
+      - fake
   /fake/{petId}/uploadImageWithRequiredFile:
     post:
       operationId: uploadFileWithRequiredFile

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

@@ -353,4 +353,70 @@ public interface FakeApi extends ApiClient.Api {
     "Accept: application/json",
   })
   void testJsonFormData(@Param("param") String param, @Param("param2") String param2);
+
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   */
+  @RequestLine("PUT /fake/test-query-paramters?pipe={pipe}&ioutil={ioutil}&http={http}&url={url}&context={context}")
+  @Headers({
+    "Accept: application/json",
+  })
+  void testQueryParameterCollectionFormat(@Param("pipe") List<String> pipe, @Param("ioutil") List<String> ioutil, @Param("http") List<String> http, @Param("url") List<String> url, @Param("context") List<String> context);
+
+  /**
+   * 
+   * To test the collection format in query parameters
+   * Note, this is equivalent to the other <code>testQueryParameterCollectionFormat</code> method,
+   * but with the query parameters collected into a single Map parameter. This
+   * is convenient for services with optional query parameters, especially when
+   * used with the {@link TestQueryParameterCollectionFormatQueryParams} class that allows for
+   * building up this map in a fluent style.
+   * @param queryParams Map of query parameters as name-value pairs
+   *   <p>The following elements may be specified in the query map:</p>
+   *   <ul>
+   *   <li>pipe -  (required)</li>
+   *   <li>ioutil -  (required)</li>
+   *   <li>http -  (required)</li>
+   *   <li>url -  (required)</li>
+   *   <li>context -  (required)</li>
+   *   </ul>
+   */
+  @RequestLine("PUT /fake/test-query-paramters?pipe={pipe}&ioutil={ioutil}&http={http}&url={url}&context={context}")
+  @Headers({
+  "Accept: application/json",
+  })
+  void testQueryParameterCollectionFormat(@QueryMap(encoded=true) Map<String, Object> queryParams);
+
+  /**
+   * A convenience class for generating query parameters for the
+   * <code>testQueryParameterCollectionFormat</code> method in a fluent style.
+   */
+  public static class TestQueryParameterCollectionFormatQueryParams extends HashMap<String, Object> {
+    public TestQueryParameterCollectionFormatQueryParams pipe(final List<String> value) {
+      put("pipe", EncodingUtils.encodeCollection(value, "csv"));
+      return this;
+    }
+    public TestQueryParameterCollectionFormatQueryParams ioutil(final List<String> value) {
+      put("ioutil", EncodingUtils.encodeCollection(value, "csv"));
+      return this;
+    }
+    public TestQueryParameterCollectionFormatQueryParams http(final List<String> value) {
+      put("http", EncodingUtils.encodeCollection(value, "space"));
+      return this;
+    }
+    public TestQueryParameterCollectionFormatQueryParams url(final List<String> value) {
+      put("url", EncodingUtils.encodeCollection(value, "csv"));
+      return this;
+    }
+    public TestQueryParameterCollectionFormatQueryParams context(final List<String> value) {
+      put("context", EncodingUtils.encodeCollection(value, "multi"));
+      return this;
+    }
+  }
 }

samples/client/petstore/java/feign10x/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -353,4 +353,70 @@ public interface FakeApi extends ApiClient.Api {
     "Accept: application/json",
   })
   void testJsonFormData(@Param("param") String param, @Param("param2") String param2);
+
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   */
+  @RequestLine("PUT /fake/test-query-paramters?pipe={pipe}&ioutil={ioutil}&http={http}&url={url}&context={context}")
+  @Headers({
+    "Accept: application/json",
+  })
+  void testQueryParameterCollectionFormat(@Param("pipe") List<String> pipe, @Param("ioutil") List<String> ioutil, @Param("http") List<String> http, @Param("url") List<String> url, @Param("context") List<String> context);
+
+  /**
+   * 
+   * To test the collection format in query parameters
+   * Note, this is equivalent to the other <code>testQueryParameterCollectionFormat</code> method,
+   * but with the query parameters collected into a single Map parameter. This
+   * is convenient for services with optional query parameters, especially when
+   * used with the {@link TestQueryParameterCollectionFormatQueryParams} class that allows for
+   * building up this map in a fluent style.
+   * @param queryParams Map of query parameters as name-value pairs
+   *   <p>The following elements may be specified in the query map:</p>
+   *   <ul>
+   *   <li>pipe -  (required)</li>
+   *   <li>ioutil -  (required)</li>
+   *   <li>http -  (required)</li>
+   *   <li>url -  (required)</li>
+   *   <li>context -  (required)</li>
+   *   </ul>
+   */
+  @RequestLine("PUT /fake/test-query-paramters?pipe={pipe}&ioutil={ioutil}&http={http}&url={url}&context={context}")
+  @Headers({
+  "Accept: application/json",
+  })
+  void testQueryParameterCollectionFormat(@QueryMap(encoded=true) Map<String, Object> queryParams);
+
+  /**
+   * A convenience class for generating query parameters for the
+   * <code>testQueryParameterCollectionFormat</code> method in a fluent style.
+   */
+  public static class TestQueryParameterCollectionFormatQueryParams extends HashMap<String, Object> {
+    public TestQueryParameterCollectionFormatQueryParams pipe(final List<String> value) {
+      put("pipe", EncodingUtils.encodeCollection(value, "csv"));
+      return this;
+    }
+    public TestQueryParameterCollectionFormatQueryParams ioutil(final List<String> value) {
+      put("ioutil", EncodingUtils.encodeCollection(value, "csv"));
+      return this;
+    }
+    public TestQueryParameterCollectionFormatQueryParams http(final List<String> value) {
+      put("http", EncodingUtils.encodeCollection(value, "space"));
+      return this;
+    }
+    public TestQueryParameterCollectionFormatQueryParams url(final List<String> value) {
+      put("url", EncodingUtils.encodeCollection(value, "csv"));
+      return this;
+    }
+    public TestQueryParameterCollectionFormatQueryParams context(final List<String> value) {
+      put("context", EncodingUtils.encodeCollection(value, "multi"));
+      return this;
+    }
+  }
 }

samples/client/petstore/java/google-api-client/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/api/AnotherFakeApi.java

@@ -76,8 +76,8 @@ public class AnotherFakeApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/another-fake/dummy");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PATCH, genericUrl, content).execute();
@@ -90,8 +90,8 @@ public class AnotherFakeApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/another-fake/dummy");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -124,8 +124,8 @@ public class AnotherFakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PATCH, genericUrl, content).execute();

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

@@ -78,8 +78,8 @@ public class FakeApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/create_xml_item");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(xmlItem);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -92,8 +92,8 @@ public class FakeApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/create_xml_item");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = xmlItem == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -126,8 +126,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(xmlItem);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -164,8 +164,8 @@ public class FakeApi {
         
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/outer/boolean");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -175,8 +175,8 @@ public class FakeApi {
           
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/outer/boolean");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -206,8 +206,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -244,8 +244,8 @@ public class FakeApi {
         
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/outer/composite");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -255,8 +255,8 @@ public class FakeApi {
           
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/outer/composite");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -286,8 +286,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -324,8 +324,8 @@ public class FakeApi {
         
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/outer/number");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -335,8 +335,8 @@ public class FakeApi {
           
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/outer/number");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -366,8 +366,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -404,8 +404,8 @@ public class FakeApi {
         
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/outer/string");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -415,8 +415,8 @@ public class FakeApi {
           
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/outer/string");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -446,8 +446,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -482,8 +482,8 @@ public class FakeApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/body-with-file-schema");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();
@@ -496,8 +496,8 @@ public class FakeApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/body-with-file-schema");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -530,8 +530,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();
@@ -580,8 +580,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();
@@ -608,8 +608,8 @@ public class FakeApi {
                   }
               }
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -647,8 +647,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();
@@ -691,8 +691,8 @@ public class FakeApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PATCH, genericUrl, content).execute();
@@ -705,8 +705,8 @@ public class FakeApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -739,8 +739,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PATCH, genericUrl, content).execute();
@@ -804,8 +804,8 @@ public class FakeApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(null);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -845,8 +845,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(null);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -929,8 +929,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -958,8 +958,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -1050,8 +1050,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.DELETE, genericUrl, content).execute();
@@ -1092,8 +1092,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.DELETE, genericUrl, content).execute();
@@ -1128,8 +1128,8 @@ public class FakeApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/inline-additionalProperties");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(param);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -1142,8 +1142,8 @@ public class FakeApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/inline-additionalProperties");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = param == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -1176,8 +1176,8 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(param);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -1217,8 +1217,8 @@ public class FakeApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/jsonFormData");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -1252,12 +1252,173 @@ public class FakeApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
     }
 
 
+  /**
+    * To test the collection format in query parameters
+    * <p><b>200</b> - Success
+    * @param pipe The pipe parameter
+    * @param ioutil The ioutil parameter
+    * @param http The http parameter
+    * @param url The url parameter
+    * @param context The context parameter
+    * @throws IOException if an error occurs while attempting to invoke the API
+    **/
+    public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws IOException {
+        testQueryParameterCollectionFormatForHttpResponse(pipe, ioutil, http, url, context);
+    }
+
+  /**
+    * To test the collection format in query parameters
+    * <p><b>200</b> - Success
+    * @param pipe The pipe parameter
+    * @param ioutil The ioutil parameter
+    * @param http The http parameter
+    * @param url The url parameter
+    * @param context The context parameter
+    * @param params Map of query params. A collection will be interpreted as passing in multiple instances of the same query param.
+    * @throws IOException if an error occurs while attempting to invoke the API
+    **/
+    public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, Map<String, Object> params) throws IOException {
+        testQueryParameterCollectionFormatForHttpResponse(pipe, ioutil, http, url, context, params);
+    }
+
+    public HttpResponse testQueryParameterCollectionFormatForHttpResponse(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws IOException {
+        // verify the required parameter 'pipe' is set
+        if (pipe == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+        }// verify the required parameter 'ioutil' is set
+        if (ioutil == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+        }// verify the required parameter 'http' is set
+        if (http == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+        }// verify the required parameter 'url' is set
+        if (url == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+        }// verify the required parameter 'context' is set
+        if (context == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+        }
+        UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/test-query-paramters");
+        if (pipe != null) {
+            String key = "pipe";
+            Object value = pipe;
+            if (value instanceof Collection) {
+                uriBuilder = uriBuilder.queryParam(key, ((Collection) value).toArray());
+            } else if (value instanceof Object[]) {
+                uriBuilder = uriBuilder.queryParam(key, (Object[]) value);
+            } else {
+                uriBuilder = uriBuilder.queryParam(key, value);
+            }
+        }        if (ioutil != null) {
+            String key = "ioutil";
+            Object value = ioutil;
+            if (value instanceof Collection) {
+                uriBuilder = uriBuilder.queryParam(key, ((Collection) value).toArray());
+            } else if (value instanceof Object[]) {
+                uriBuilder = uriBuilder.queryParam(key, (Object[]) value);
+            } else {
+                uriBuilder = uriBuilder.queryParam(key, value);
+            }
+        }        if (http != null) {
+            String key = "http";
+            Object value = http;
+            if (value instanceof Collection) {
+                uriBuilder = uriBuilder.queryParam(key, ((Collection) value).toArray());
+            } else if (value instanceof Object[]) {
+                uriBuilder = uriBuilder.queryParam(key, (Object[]) value);
+            } else {
+                uriBuilder = uriBuilder.queryParam(key, value);
+            }
+        }        if (url != null) {
+            String key = "url";
+            Object value = url;
+            if (value instanceof Collection) {
+                uriBuilder = uriBuilder.queryParam(key, ((Collection) value).toArray());
+            } else if (value instanceof Object[]) {
+                uriBuilder = uriBuilder.queryParam(key, (Object[]) value);
+            } else {
+                uriBuilder = uriBuilder.queryParam(key, value);
+            }
+        }        if (context != null) {
+            String key = "context";
+            Object value = context;
+            if (value instanceof Collection) {
+                uriBuilder = uriBuilder.queryParam(key, ((Collection) value).toArray());
+            } else if (value instanceof Object[]) {
+                uriBuilder = uriBuilder.queryParam(key, (Object[]) value);
+            } else {
+                uriBuilder = uriBuilder.queryParam(key, value);
+            }
+        }
+
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
+
+        HttpContent content = apiClient.new JacksonJsonHttpContent(null);
+        return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();
+    }
+
+    public HttpResponse testQueryParameterCollectionFormatForHttpResponse(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, Map<String, Object> params) throws IOException {
+        // verify the required parameter 'pipe' is set
+        if (pipe == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+        }// verify the required parameter 'ioutil' is set
+        if (ioutil == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+        }// verify the required parameter 'http' is set
+        if (http == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+        }// verify the required parameter 'url' is set
+        if (url == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+        }// verify the required parameter 'context' is set
+        if (context == null) {
+            throw new IllegalArgumentException("Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+        }
+        UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/test-query-paramters");
+
+        // Copy the params argument if present, to allow passing in immutable maps
+        Map<String, Object> allParams = params == null ? new HashMap<String, Object>() : new HashMap<String, Object>(params);
+        // Add the required query param 'pipe' to the map of query params
+        allParams.put("pipe", pipe);
+        // Add the required query param 'ioutil' to the map of query params
+        allParams.put("ioutil", ioutil);
+        // Add the required query param 'http' to the map of query params
+        allParams.put("http", http);
+        // Add the required query param 'url' to the map of query params
+        allParams.put("url", url);
+        // Add the required query param 'context' to the map of query params
+        allParams.put("context", context);
+
+        for (Map.Entry<String, Object> entry: allParams.entrySet()) {
+            String key = entry.getKey();
+            Object value = entry.getValue();
+
+            if (key != null && value != null) {
+                if (value instanceof Collection) {
+                    uriBuilder = uriBuilder.queryParam(key, ((Collection) value).toArray());
+                } else if (value instanceof Object[]) {
+                    uriBuilder = uriBuilder.queryParam(key, (Object[]) value);
+                } else {
+                    uriBuilder = uriBuilder.queryParam(key, value);
+                }
+            }
+        }
+
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
+
+        HttpContent content = apiClient.new JacksonJsonHttpContent(null);
+        return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();
+    }
+
+
 }

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/api/FakeClassnameTags123Api.java

@@ -76,8 +76,8 @@ public class FakeClassnameTags123Api {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake_classname_test");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PATCH, genericUrl, content).execute();
@@ -90,8 +90,8 @@ public class FakeClassnameTags123Api {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake_classname_test");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -124,8 +124,8 @@ public class FakeClassnameTags123Api {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PATCH, genericUrl, content).execute();

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/api/PetApi.java

@@ -72,8 +72,8 @@ public class PetApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/pet");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -86,8 +86,8 @@ public class PetApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/pet");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -120,8 +120,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -162,8 +162,8 @@ public class PetApi {
         uriVariables.put("petId", petId);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/pet/{petId}");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.DELETE, genericUrl, content).execute();
@@ -197,8 +197,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.DELETE, genericUrl, content).execute();
@@ -254,8 +254,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -288,8 +288,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -345,8 +345,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -379,8 +379,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -430,8 +430,8 @@ public class PetApi {
         uriVariables.put("petId", petId);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/pet/{petId}");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -465,8 +465,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -507,8 +507,8 @@ public class PetApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/pet");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();
@@ -521,8 +521,8 @@ public class PetApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/pet");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -555,8 +555,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();
@@ -596,8 +596,8 @@ public class PetApi {
         uriVariables.put("petId", petId);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/pet/{petId}");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(null);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -631,8 +631,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(null);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -678,8 +678,8 @@ public class PetApi {
         uriVariables.put("petId", petId);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/pet/{petId}/uploadImage");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(null);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -713,8 +713,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(null);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -764,8 +764,8 @@ public class PetApi {
         uriVariables.put("petId", petId);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/fake/{petId}/uploadImageWithRequiredFile");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(null);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -802,8 +802,8 @@ public class PetApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(null);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/api/StoreApi.java

@@ -75,8 +75,8 @@ public class StoreApi {
         uriVariables.put("order_id", orderId);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/store/order/{order_id}");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.DELETE, genericUrl, content).execute();
@@ -110,8 +110,8 @@ public class StoreApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.DELETE, genericUrl, content).execute();
@@ -149,8 +149,8 @@ public class StoreApi {
         
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/store/inventory");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -178,8 +178,8 @@ public class StoreApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -229,8 +229,8 @@ public class StoreApi {
         uriVariables.put("order_id", orderId);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/store/order/{order_id}");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -264,8 +264,8 @@ public class StoreApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -308,8 +308,8 @@ public class StoreApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/store/order");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -322,8 +322,8 @@ public class StoreApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/store/order");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -356,8 +356,8 @@ public class StoreApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/api/UserApi.java

@@ -70,8 +70,8 @@ public class UserApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -84,8 +84,8 @@ public class UserApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -118,8 +118,8 @@ public class UserApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -154,8 +154,8 @@ public class UserApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user/createWithArray");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -168,8 +168,8 @@ public class UserApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user/createWithArray");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -202,8 +202,8 @@ public class UserApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -238,8 +238,8 @@ public class UserApi {
         }
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user/createWithList");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -252,8 +252,8 @@ public class UserApi {
               }
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user/createWithList");
 
-              String url = uriBuilder.build().toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.build().toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -286,8 +286,8 @@ public class UserApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.POST, genericUrl, content).execute();
@@ -329,8 +329,8 @@ public class UserApi {
         uriVariables.put("username", username);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user/{username}");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.DELETE, genericUrl, content).execute();
@@ -364,8 +364,8 @@ public class UserApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.DELETE, genericUrl, content).execute();
@@ -413,8 +413,8 @@ public class UserApi {
         uriVariables.put("username", username);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user/{username}");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -448,8 +448,8 @@ public class UserApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -518,8 +518,8 @@ public class UserApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -557,8 +557,8 @@ public class UserApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -588,8 +588,8 @@ public class UserApi {
         
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user/logout");
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -617,8 +617,8 @@ public class UserApi {
             }
         }
 
-        String url = uriBuilder.build().toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.build().toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = null;
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.GET, genericUrl, content).execute();
@@ -665,8 +665,8 @@ public class UserApi {
         uriVariables.put("username", username);
         UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user/{username}");
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();
@@ -685,8 +685,8 @@ public class UserApi {
                       uriVariables.put("username", username);
               UriBuilder uriBuilder = UriBuilder.fromUri(apiClient.getBasePath() + "/user/{username}");
 
-              String url = uriBuilder.buildFromMap(uriVariables).toString();
-              GenericUrl genericUrl = new GenericUrl(url);
+              String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+              GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
               HttpContent content = body == null ?
                 apiClient.new JacksonJsonHttpContent(null) :
@@ -725,8 +725,8 @@ public class UserApi {
             }
         }
 
-        String url = uriBuilder.buildFromMap(uriVariables).toString();
-        GenericUrl genericUrl = new GenericUrl(url);
+        String localVarUrl = uriBuilder.buildFromMap(uriVariables).toString();
+        GenericUrl genericUrl = new GenericUrl(localVarUrl);
 
         HttpContent content = apiClient.new JacksonJsonHttpContent(body);
         return apiClient.getHttpRequestFactory().buildRequest(HttpMethods.PUT, genericUrl, content).execute();

samples/client/petstore/java/jersey1/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -684,4 +684,74 @@ if (param2 != null)
 
     apiClient.invokeAPI(localVarPath, "GET", localVarQueryParams, localVarCollectionQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
   }
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @throws ApiException if fails to make API call
+   */
+  public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+    Object localVarPostBody = null;
+    
+    // verify the required parameter 'pipe' is set
+    if (pipe == null) {
+      throw new ApiException(400, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'ioutil' is set
+    if (ioutil == null) {
+      throw new ApiException(400, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'http' is set
+    if (http == null) {
+      throw new ApiException(400, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'url' is set
+    if (url == null) {
+      throw new ApiException(400, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'context' is set
+    if (context == null) {
+      throw new ApiException(400, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // create path and map variables
+    String localVarPath = "/fake/test-query-paramters";
+
+    // query params
+    List<Pair> localVarQueryParams = new ArrayList<Pair>();
+    List<Pair> localVarCollectionQueryParams = new ArrayList<Pair>();
+    Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+    Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+    localVarCollectionQueryParams.addAll(apiClient.parameterToPairs("csv", "pipe", pipe));
+    localVarCollectionQueryParams.addAll(apiClient.parameterToPairs("csv", "ioutil", ioutil));
+    localVarCollectionQueryParams.addAll(apiClient.parameterToPairs("space", "http", http));
+    localVarCollectionQueryParams.addAll(apiClient.parameterToPairs("csv", "url", url));
+    localVarCollectionQueryParams.addAll(apiClient.parameterToPairs("multi", "context", context));
+
+    
+    
+    final String[] localVarAccepts = {
+      
+    };
+    final String localVarAccept = apiClient.selectHeaderAccept(localVarAccepts);
+
+    final String[] localVarContentTypes = {
+      
+    };
+    final String localVarContentType = apiClient.selectHeaderContentType(localVarContentTypes);
+
+    String[] localVarAuthNames = new String[] {  };
+
+
+    apiClient.invokeAPI(localVarPath, "PUT", localVarQueryParams, localVarCollectionQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
+  }
 }

samples/client/petstore/java/jersey2-java6/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/jersey2-java6/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -970,4 +970,99 @@ if (param2 != null)
 
     return apiClient.invokeAPI(localVarPath, "GET", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
   }
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+   */
+  public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+
+    testQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context);
+  }
+
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return ApiResponse&lt;Void&gt;
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+   */
+  public ApiResponse<Void> testQueryParameterCollectionFormatWithHttpInfo(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+    Object localVarPostBody = new Object();
+    
+    // verify the required parameter 'pipe' is set
+    if (pipe == null) {
+      throw new ApiException(400, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'ioutil' is set
+    if (ioutil == null) {
+      throw new ApiException(400, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'http' is set
+    if (http == null) {
+      throw new ApiException(400, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'url' is set
+    if (url == null) {
+      throw new ApiException(400, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'context' is set
+    if (context == null) {
+      throw new ApiException(400, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // create path and map variables
+    String localVarPath = "/fake/test-query-paramters";
+
+    // query params
+    List<Pair> localVarQueryParams = new ArrayList<Pair>();
+    Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+    Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "pipe", pipe));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "ioutil", ioutil));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("space", "http", http));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "url", url));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("multi", "context", context));
+
+    
+    
+    final String[] localVarAccepts = {
+      
+    };
+    final String localVarAccept = apiClient.selectHeaderAccept(localVarAccepts);
+
+    final String[] localVarContentTypes = {
+      
+    };
+    final String localVarContentType = apiClient.selectHeaderContentType(localVarContentTypes);
+
+    String[] localVarAuthNames = new String[] {  };
+
+
+    return apiClient.invokeAPI(localVarPath, "PUT", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
+  }
 }

samples/client/petstore/java/jersey2-java8/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -970,4 +970,99 @@ if (param2 != null)
 
     return apiClient.invokeAPI(localVarPath, "GET", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
   }
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+   */
+  public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+
+    testQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context);
+  }
+
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return ApiResponse&lt;Void&gt;
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+   */
+  public ApiResponse<Void> testQueryParameterCollectionFormatWithHttpInfo(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+    Object localVarPostBody = new Object();
+    
+    // verify the required parameter 'pipe' is set
+    if (pipe == null) {
+      throw new ApiException(400, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'ioutil' is set
+    if (ioutil == null) {
+      throw new ApiException(400, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'http' is set
+    if (http == null) {
+      throw new ApiException(400, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'url' is set
+    if (url == null) {
+      throw new ApiException(400, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'context' is set
+    if (context == null) {
+      throw new ApiException(400, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // create path and map variables
+    String localVarPath = "/fake/test-query-paramters";
+
+    // query params
+    List<Pair> localVarQueryParams = new ArrayList<Pair>();
+    Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+    Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "pipe", pipe));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "ioutil", ioutil));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("space", "http", http));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "url", url));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("multi", "context", context));
+
+    
+    
+    final String[] localVarAccepts = {
+      
+    };
+    final String localVarAccept = apiClient.selectHeaderAccept(localVarAccepts);
+
+    final String[] localVarContentTypes = {
+      
+    };
+    final String localVarContentType = apiClient.selectHeaderContentType(localVarContentTypes);
+
+    String[] localVarAuthNames = new String[] {  };
+
+
+    return apiClient.invokeAPI(localVarPath, "PUT", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
+  }
 }

samples/client/petstore/java/jersey2/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/jersey2/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -970,4 +970,99 @@ if (param2 != null)
 
     return apiClient.invokeAPI(localVarPath, "GET", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
   }
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+   */
+  public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+
+    testQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context);
+  }
+
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return ApiResponse&lt;Void&gt;
+   * @throws ApiException if fails to make API call
+   * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+   */
+  public ApiResponse<Void> testQueryParameterCollectionFormatWithHttpInfo(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+    Object localVarPostBody = new Object();
+    
+    // verify the required parameter 'pipe' is set
+    if (pipe == null) {
+      throw new ApiException(400, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'ioutil' is set
+    if (ioutil == null) {
+      throw new ApiException(400, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'http' is set
+    if (http == null) {
+      throw new ApiException(400, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'url' is set
+    if (url == null) {
+      throw new ApiException(400, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'context' is set
+    if (context == null) {
+      throw new ApiException(400, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // create path and map variables
+    String localVarPath = "/fake/test-query-paramters";
+
+    // query params
+    List<Pair> localVarQueryParams = new ArrayList<Pair>();
+    Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+    Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "pipe", pipe));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "ioutil", ioutil));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("space", "http", http));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "url", url));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("multi", "context", context));
+
+    
+    
+    final String[] localVarAccepts = {
+      
+    };
+    final String localVarAccept = apiClient.selectHeaderAccept(localVarAccepts);
+
+    final String[] localVarContentTypes = {
+      
+    };
+    final String localVarContentType = apiClient.selectHeaderContentType(localVarContentTypes);
+
+    String[] localVarAuthNames = new String[] {  };
+
+
+    return apiClient.invokeAPI(localVarPath, "PUT", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
+  }
 }

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

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

@@ -730,4 +730,80 @@ public class FakeApi {
       throw new ApiException(e);
     }
   }
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @throws ApiException if fails to make API call
+   */
+  public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+    // verify the required parameter 'pipe' is set
+    if (pipe == null) {
+      throw new ApiException(400, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+    }
+    // verify the required parameter 'ioutil' is set
+    if (ioutil == null) {
+      throw new ApiException(400, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+    }
+    // verify the required parameter 'http' is set
+    if (http == null) {
+      throw new ApiException(400, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+    }
+    // verify the required parameter 'url' is set
+    if (url == null) {
+      throw new ApiException(400, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+    }
+    // verify the required parameter 'context' is set
+    if (context == null) {
+      throw new ApiException(400, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+    }
+
+    HttpRequest.Builder localVarRequestBuilder = HttpRequest.newBuilder();
+
+    String localVarPath = "/fake/test-query-paramters";
+
+    List<Pair> localVarQueryParams = new ArrayList<>();
+    localVarQueryParams.addAll(ApiClient.parameterToPairs("csv", "pipe", pipe));
+    localVarQueryParams.addAll(ApiClient.parameterToPairs("csv", "ioutil", ioutil));
+    localVarQueryParams.addAll(ApiClient.parameterToPairs("space", "http", http));
+    localVarQueryParams.addAll(ApiClient.parameterToPairs("csv", "url", url));
+    localVarQueryParams.addAll(ApiClient.parameterToPairs("multi", "context", context));
+
+    if (!localVarQueryParams.isEmpty()) {
+      StringJoiner queryJoiner = new StringJoiner("&");
+      localVarQueryParams.forEach(p -> queryJoiner.add(p.getName() + '=' + p.getValue()));
+      localVarRequestBuilder.uri(URI.create(memberVarBaseUri + localVarPath + '?' + queryJoiner.toString()));
+    } else {
+      localVarRequestBuilder.uri(URI.create(memberVarBaseUri + localVarPath));
+    }
+
+    localVarRequestBuilder.header("Accept", "application/json");
+
+    try {
+      localVarRequestBuilder.method("PUT", HttpRequest.BodyPublishers.noBody());
+      if (memberVarReadTimeout != null) {
+        localVarRequestBuilder.timeout(memberVarReadTimeout);
+      }
+      if (memberVarInterceptor != null) {
+        memberVarInterceptor.accept(localVarRequestBuilder);
+      }
+
+      HttpResponse<InputStream> localVarResponse = memberVarHttpClient.send(
+          localVarRequestBuilder.build(),
+          HttpResponse.BodyHandlers.ofInputStream());
+      if (localVarResponse.statusCode()/ 100 != 2) {
+        throw new ApiException(localVarResponse.statusCode(),
+            "testQueryParameterCollectionFormat call received non-success response",
+            localVarResponse.headers(),
+            localVarResponse.body() == null ? null : new String(localVarResponse.body().readAllBytes()));
+      }
+
+    } catch (IOException | InterruptedException e) {
+      throw new ApiException(e);
+    }
+  }
 }

samples/client/petstore/java/okhttp-gson-parcelableModel/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 <a name="createXmlItem"></a>
@@ -877,3 +878,72 @@ No authorization required
 |-------------|-------------|------------------|
 **200** | successful operation |  -  |
 
+<a name="testQueryParameterCollectionFormat"></a>
+# **testQueryParameterCollectionFormat**
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+  public static void main(String[] args) {
+    ApiClient defaultClient = Configuration.getDefaultApiClient();
+    defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+    FakeApi apiInstance = new FakeApi(defaultClient);
+    List<String> pipe = Arrays.asList(); // List<String> | 
+    List<String> ioutil = Arrays.asList(); // List<String> | 
+    List<String> http = Arrays.asList(); // List<String> | 
+    List<String> url = Arrays.asList(); // List<String> | 
+    List<String> context = Arrays.asList(); // List<String> | 
+    try {
+      apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+    } catch (ApiException e) {
+      System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+      System.err.println("Status code: " + e.getCode());
+      System.err.println("Reason: " + e.getResponseBody());
+      System.err.println("Response headers: " + e.getResponseHeaders());
+      e.printStackTrace();
+    }
+  }
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | Success |  -  |
+

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -1745,4 +1745,165 @@ public class FakeApi {
         localVarApiClient.executeAsync(localVarCall, _callback);
         return localVarCall;
     }
+    /**
+     * Build call for testQueryParameterCollectionFormat
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @param _callback Callback for upload/download progress
+     * @return Call to execute
+     * @throws ApiException If fail to serialize the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call testQueryParameterCollectionFormatCall(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, final ApiCallback _callback) throws ApiException {
+        Object localVarPostBody = new Object();
+
+        // create path and map variables
+        String localVarPath = "/fake/test-query-paramters";
+
+        List<Pair> localVarQueryParams = new ArrayList<Pair>();
+        List<Pair> localVarCollectionQueryParams = new ArrayList<Pair>();
+        if (pipe != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("csv", "pipe", pipe));
+        }
+
+        if (ioutil != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("csv", "ioutil", ioutil));
+        }
+
+        if (http != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("space", "http", http));
+        }
+
+        if (url != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("csv", "url", url));
+        }
+
+        if (context != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("multi", "context", context));
+        }
+
+        Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+        Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+        final String[] localVarAccepts = {
+            
+        };
+        final String localVarAccept = localVarApiClient.selectHeaderAccept(localVarAccepts);
+        if (localVarAccept != null) {
+            localVarHeaderParams.put("Accept", localVarAccept);
+        }
+
+        final String[] localVarContentTypes = {
+            
+        };
+        final String localVarContentType = localVarApiClient.selectHeaderContentType(localVarContentTypes);
+        localVarHeaderParams.put("Content-Type", localVarContentType);
+
+        String[] localVarAuthNames = new String[] {  };
+        return localVarApiClient.buildCall(localVarPath, "PUT", localVarQueryParams, localVarCollectionQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAuthNames, _callback);
+    }
+
+    @SuppressWarnings("rawtypes")
+    private okhttp3.Call testQueryParameterCollectionFormatValidateBeforeCall(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, final ApiCallback _callback) throws ApiException {
+        
+        // verify the required parameter 'pipe' is set
+        if (pipe == null) {
+            throw new ApiException("Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+        // verify the required parameter 'ioutil' is set
+        if (ioutil == null) {
+            throw new ApiException("Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+        // verify the required parameter 'http' is set
+        if (http == null) {
+            throw new ApiException("Missing the required parameter 'http' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+        // verify the required parameter 'url' is set
+        if (url == null) {
+            throw new ApiException("Missing the required parameter 'url' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+        // verify the required parameter 'context' is set
+        if (context == null) {
+            throw new ApiException("Missing the required parameter 'context' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+
+        okhttp3.Call localVarCall = testQueryParameterCollectionFormatCall(pipe, ioutil, http, url, context, _callback);
+        return localVarCall;
+
+    }
+
+    /**
+     * 
+     * To test the collection format in query parameters
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+     */
+    public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+        testQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context);
+    }
+
+    /**
+     * 
+     * To test the collection format in query parameters
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @return ApiResponse&lt;Void&gt;
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+     */
+    public ApiResponse<Void> testQueryParameterCollectionFormatWithHttpInfo(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+        okhttp3.Call localVarCall = testQueryParameterCollectionFormatValidateBeforeCall(pipe, ioutil, http, url, context, null);
+        return localVarApiClient.execute(localVarCall);
+    }
+
+    /**
+     *  (asynchronously)
+     * To test the collection format in query parameters
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @param _callback The callback to be executed when the API call finishes
+     * @return The request call
+     * @throws ApiException If fail to process the API call, e.g. serializing the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call testQueryParameterCollectionFormatAsync(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, final ApiCallback<Void> _callback) throws ApiException {
+
+        okhttp3.Call localVarCall = testQueryParameterCollectionFormatValidateBeforeCall(pipe, ioutil, http, url, context, _callback);
+        localVarApiClient.executeAsync(localVarCall, _callback);
+        return localVarCall;
+    }
 }

samples/client/petstore/java/okhttp-gson/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 <a name="createXmlItem"></a>
@@ -877,3 +878,72 @@ No authorization required
 |-------------|-------------|------------------|
 **200** | successful operation |  -  |
 
+<a name="testQueryParameterCollectionFormat"></a>
+# **testQueryParameterCollectionFormat**
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+  public static void main(String[] args) {
+    ApiClient defaultClient = Configuration.getDefaultApiClient();
+    defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+    FakeApi apiInstance = new FakeApi(defaultClient);
+    List<String> pipe = Arrays.asList(); // List<String> | 
+    List<String> ioutil = Arrays.asList(); // List<String> | 
+    List<String> http = Arrays.asList(); // List<String> | 
+    List<String> url = Arrays.asList(); // List<String> | 
+    List<String> context = Arrays.asList(); // List<String> | 
+    try {
+      apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+    } catch (ApiException e) {
+      System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+      System.err.println("Status code: " + e.getCode());
+      System.err.println("Reason: " + e.getResponseBody());
+      System.err.println("Response headers: " + e.getResponseHeaders());
+      e.printStackTrace();
+    }
+  }
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+**200** | Success |  -  |
+

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -1745,4 +1745,165 @@ public class FakeApi {
         localVarApiClient.executeAsync(localVarCall, _callback);
         return localVarCall;
     }
+    /**
+     * Build call for testQueryParameterCollectionFormat
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @param _callback Callback for upload/download progress
+     * @return Call to execute
+     * @throws ApiException If fail to serialize the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call testQueryParameterCollectionFormatCall(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, final ApiCallback _callback) throws ApiException {
+        Object localVarPostBody = new Object();
+
+        // create path and map variables
+        String localVarPath = "/fake/test-query-paramters";
+
+        List<Pair> localVarQueryParams = new ArrayList<Pair>();
+        List<Pair> localVarCollectionQueryParams = new ArrayList<Pair>();
+        if (pipe != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("csv", "pipe", pipe));
+        }
+
+        if (ioutil != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("csv", "ioutil", ioutil));
+        }
+
+        if (http != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("space", "http", http));
+        }
+
+        if (url != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("csv", "url", url));
+        }
+
+        if (context != null) {
+            localVarCollectionQueryParams.addAll(localVarApiClient.parameterToPairs("multi", "context", context));
+        }
+
+        Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+        Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+        final String[] localVarAccepts = {
+            
+        };
+        final String localVarAccept = localVarApiClient.selectHeaderAccept(localVarAccepts);
+        if (localVarAccept != null) {
+            localVarHeaderParams.put("Accept", localVarAccept);
+        }
+
+        final String[] localVarContentTypes = {
+            
+        };
+        final String localVarContentType = localVarApiClient.selectHeaderContentType(localVarContentTypes);
+        localVarHeaderParams.put("Content-Type", localVarContentType);
+
+        String[] localVarAuthNames = new String[] {  };
+        return localVarApiClient.buildCall(localVarPath, "PUT", localVarQueryParams, localVarCollectionQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAuthNames, _callback);
+    }
+
+    @SuppressWarnings("rawtypes")
+    private okhttp3.Call testQueryParameterCollectionFormatValidateBeforeCall(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, final ApiCallback _callback) throws ApiException {
+        
+        // verify the required parameter 'pipe' is set
+        if (pipe == null) {
+            throw new ApiException("Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+        // verify the required parameter 'ioutil' is set
+        if (ioutil == null) {
+            throw new ApiException("Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+        // verify the required parameter 'http' is set
+        if (http == null) {
+            throw new ApiException("Missing the required parameter 'http' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+        // verify the required parameter 'url' is set
+        if (url == null) {
+            throw new ApiException("Missing the required parameter 'url' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+        // verify the required parameter 'context' is set
+        if (context == null) {
+            throw new ApiException("Missing the required parameter 'context' when calling testQueryParameterCollectionFormat(Async)");
+        }
+        
+
+        okhttp3.Call localVarCall = testQueryParameterCollectionFormatCall(pipe, ioutil, http, url, context, _callback);
+        return localVarCall;
+
+    }
+
+    /**
+     * 
+     * To test the collection format in query parameters
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+     */
+    public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+        testQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context);
+    }
+
+    /**
+     * 
+     * To test the collection format in query parameters
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @return ApiResponse&lt;Void&gt;
+     * @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+     */
+    public ApiResponse<Void> testQueryParameterCollectionFormatWithHttpInfo(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+        okhttp3.Call localVarCall = testQueryParameterCollectionFormatValidateBeforeCall(pipe, ioutil, http, url, context, null);
+        return localVarApiClient.execute(localVarCall);
+    }
+
+    /**
+     *  (asynchronously)
+     * To test the collection format in query parameters
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @param _callback The callback to be executed when the API call finishes
+     * @return The request call
+     * @throws ApiException If fail to process the API call, e.g. serializing the request body object
+     * @http.response.details
+     <table summary="Response Details" border="1">
+        <tr><td> Status Code </td><td> Description </td><td> Response Headers </td></tr>
+        <tr><td> 200 </td><td> Success </td><td>  -  </td></tr>
+     </table>
+     */
+    public okhttp3.Call testQueryParameterCollectionFormatAsync(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, final ApiCallback<Void> _callback) throws ApiException {
+
+        okhttp3.Call localVarCall = testQueryParameterCollectionFormatValidateBeforeCall(pipe, ioutil, http, url, context, _callback);
+        localVarApiClient.executeAsync(localVarCall, _callback);
+        return localVarCall;
+    }
 }

samples/client/petstore/java/rest-assured/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 <a name="createXmlItem"></a>
@@ -588,3 +589,53 @@ No authorization required
  - **Content-Type**: application/x-www-form-urlencoded
  - **Accept**: Not defined
 
+<a name="testQueryParameterCollectionFormat"></a>
+# **testQueryParameterCollectionFormat**
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+```java
+// Import classes:
+//import org.openapitools.client.ApiClient;
+//import io.restassured.builder.RequestSpecBuilder;
+//import io.restassured.filter.log.ErrorLoggingFilter;
+
+FakeApi api = ApiClient.api(ApiClient.Config.apiConfig().withReqSpecSupplier(
+                () -> new RequestSpecBuilder()
+                        .setBaseUri("http://petstore.swagger.io:80/v2"))).fake();
+
+api.testQueryParameterCollectionFormat()
+    .pipeQuery(pipe)
+    .ioutilQuery(ioutil)
+    .httpQuery(http)
+    .urlQuery(url)
+    .contextQuery(context).execute(r -> r.prettyPeek());
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  | [default to new ArrayList&lt;String&gt;()]
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  | [default to new ArrayList&lt;String&gt;()]
+ **http** | [**List&lt;String&gt;**](String.md)|  | [default to new ArrayList&lt;String&gt;()]
+ **url** | [**List&lt;String&gt;**](String.md)|  | [default to new ArrayList&lt;String&gt;()]
+ **context** | [**List&lt;String&gt;**](String.md)|  | [default to new ArrayList&lt;String&gt;()]
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+

samples/client/petstore/java/rest-assured/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -199,6 +199,16 @@ public class FakeApi {
         return new TestJsonFormDataOper(createReqSpec());
     }
 
+    @ApiOperation(value = "",
+            notes = "To test the collection format in query parameters",
+            nickname = "testQueryParameterCollectionFormat",
+            tags = { "fake" })
+    @ApiResponses(value = { 
+            @ApiResponse(code = 200, message = "Success")  })
+    public TestQueryParameterCollectionFormatOper testQueryParameterCollectionFormat() {
+        return new TestQueryParameterCollectionFormatOper(createReqSpec());
+    }
+
     /**
      * Customize request specification
      * @param reqSpecCustomizer consumer to modify the RequestSpecBuilder
@@ -1375,4 +1385,113 @@ public class FakeApi {
             return this;
         }
     }
+    /**
+     * 
+     * To test the collection format in query parameters
+     *
+     * @see #pipeQuery  (required)
+     * @see #ioutilQuery  (required)
+     * @see #httpQuery  (required)
+     * @see #urlQuery  (required)
+     * @see #contextQuery  (required)
+     */
+    public static class TestQueryParameterCollectionFormatOper {
+
+        public static final Method REQ_METHOD = PUT;
+        public static final String REQ_URI = "/fake/test-query-paramters";
+
+        private RequestSpecBuilder reqSpec;
+        private ResponseSpecBuilder respSpec;
+
+        public TestQueryParameterCollectionFormatOper(RequestSpecBuilder reqSpec) {
+            this.reqSpec = reqSpec;
+            reqSpec.setAccept("application/json");
+            this.respSpec = new ResponseSpecBuilder();
+        }
+
+        /**
+         * PUT /fake/test-query-paramters
+         * @param handler handler
+         * @param <T> type
+         * @return type
+         */
+        public <T> T execute(Function<Response, T> handler) {
+            return handler.apply(RestAssured.given().spec(reqSpec.build()).expect().spec(respSpec.build()).when().request(REQ_METHOD, REQ_URI));
+        }
+
+        public static final String PIPE_QUERY = "pipe";
+
+        /**
+         * @param pipe (List&lt;String&gt;)  (required)
+         * @return operation
+         */
+        public TestQueryParameterCollectionFormatOper pipeQuery(Object... pipe) {
+            reqSpec.addQueryParam(PIPE_QUERY, pipe);
+            return this;
+        }
+
+        public static final String IOUTIL_QUERY = "ioutil";
+
+        /**
+         * @param ioutil (List&lt;String&gt;)  (required)
+         * @return operation
+         */
+        public TestQueryParameterCollectionFormatOper ioutilQuery(Object... ioutil) {
+            reqSpec.addQueryParam(IOUTIL_QUERY, ioutil);
+            return this;
+        }
+
+        public static final String HTTP_QUERY = "http";
+
+        /**
+         * @param http (List&lt;String&gt;)  (required)
+         * @return operation
+         */
+        public TestQueryParameterCollectionFormatOper httpQuery(Object... http) {
+            reqSpec.addQueryParam(HTTP_QUERY, http);
+            return this;
+        }
+
+        public static final String URL_QUERY = "url";
+
+        /**
+         * @param url (List&lt;String&gt;)  (required)
+         * @return operation
+         */
+        public TestQueryParameterCollectionFormatOper urlQuery(Object... url) {
+            reqSpec.addQueryParam(URL_QUERY, url);
+            return this;
+        }
+
+        public static final String CONTEXT_QUERY = "context";
+
+        /**
+         * @param context (List&lt;String&gt;)  (required)
+         * @return operation
+         */
+        public TestQueryParameterCollectionFormatOper contextQuery(Object... context) {
+            reqSpec.addQueryParam(CONTEXT_QUERY, context);
+            return this;
+        }
+
+        /**
+         * Customize request specification
+         * @param reqSpecCustomizer consumer to modify the RequestSpecBuilder
+         * @return operation
+         */
+        public TestQueryParameterCollectionFormatOper reqSpec(Consumer<RequestSpecBuilder> reqSpecCustomizer) {
+            reqSpecCustomizer.accept(reqSpec);
+            return this;
+        }
+
+        /**
+         * Customize response specification
+         * @param respSpecCustomizer consumer to modify the ResponseSpecBuilder
+         * @return operation
+         */
+        public TestQueryParameterCollectionFormatOper respSpec(Consumer<ResponseSpecBuilder> respSpecCustomizer) {
+            respSpecCustomizer.accept(respSpec);
+            return this;
+        }
+    }
 }

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

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

@@ -657,4 +657,73 @@ if (param2 != null)
 
     apiClient.invokeAPI(localVarPath, "GET", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
   }
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @throws ApiException if fails to make API call
+   */
+  public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws ApiException {
+    Object localVarPostBody = new Object();
+    
+    // verify the required parameter 'pipe' is set
+    if (pipe == null) {
+      throw new ApiException(400, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'ioutil' is set
+    if (ioutil == null) {
+      throw new ApiException(400, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'http' is set
+    if (http == null) {
+      throw new ApiException(400, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'url' is set
+    if (url == null) {
+      throw new ApiException(400, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // verify the required parameter 'context' is set
+    if (context == null) {
+      throw new ApiException(400, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+    }
+    
+    // create path and map variables
+    String localVarPath = "/fake/test-query-paramters".replaceAll("\\{format\\}","json");
+
+    // query params
+    List<Pair> localVarQueryParams = new ArrayList<Pair>();
+    Map<String, String> localVarHeaderParams = new HashMap<String, String>();
+    Map<String, Object> localVarFormParams = new HashMap<String, Object>();
+
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "pipe", pipe));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "ioutil", ioutil));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("space", "http", http));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "url", url));
+    localVarQueryParams.addAll(apiClient.parameterToPairs("multi", "context", context));
+
+    
+    
+    final String[] localVarAccepts = {
+      
+    };
+    final String localVarAccept = apiClient.selectHeaderAccept(localVarAccepts);
+
+    final String[] localVarContentTypes = {
+      
+    };
+    final String localVarContentType = apiClient.selectHeaderContentType(localVarContentTypes);
+
+    String[] localVarAuthNames = new String[] {  };
+
+
+    apiClient.invokeAPI(localVarPath, "PUT", localVarQueryParams, localVarPostBody, localVarHeaderParams, localVarFormParams, localVarAccept, localVarContentType, localVarAuthNames, null);
+  }
 }

samples/client/petstore/java/resttemplate-withXml/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/resttemplate-withXml/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -589,4 +589,65 @@ public class FakeApi {
         ParameterizedTypeReference<Void> returnType = new ParameterizedTypeReference<Void>() {};
         apiClient.invokeAPI(path, HttpMethod.GET, queryParams, postBody, headerParams, formParams, accept, contentType, authNames, returnType);
     }
+    /**
+     * 
+     * To test the collection format in query parameters
+     * <p><b>200</b> - Success
+     * @param pipe The pipe parameter
+     * @param ioutil The ioutil parameter
+     * @param http The http parameter
+     * @param url The url parameter
+     * @param context The context parameter
+     * @throws RestClientException if an error occurs while attempting to invoke the API
+     */
+    public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws RestClientException {
+        Object postBody = null;
+        
+        // verify the required parameter 'pipe' is set
+        if (pipe == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'ioutil' is set
+        if (ioutil == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'http' is set
+        if (http == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'url' is set
+        if (url == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'context' is set
+        if (context == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+        }
+        
+        String path = apiClient.expandPath("/fake/test-query-paramters", Collections.<String, Object>emptyMap());
+
+        final MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<String, String>();
+        final HttpHeaders headerParams = new HttpHeaders();
+        final MultiValueMap<String, Object> formParams = new LinkedMultiValueMap<String, Object>();
+
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("csv".toUpperCase(Locale.ROOT)), "pipe", pipe));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("csv".toUpperCase(Locale.ROOT)), "ioutil", ioutil));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("space".toUpperCase(Locale.ROOT)), "http", http));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("csv".toUpperCase(Locale.ROOT)), "url", url));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("multi".toUpperCase(Locale.ROOT)), "context", context));
+
+        final String[] accepts = { };
+        final List<MediaType> accept = apiClient.selectHeaderAccept(accepts);
+        final String[] contentTypes = { };
+        final MediaType contentType = apiClient.selectHeaderContentType(contentTypes);
+
+        String[] authNames = new String[] {  };
+
+        ParameterizedTypeReference<Void> returnType = new ParameterizedTypeReference<Void>() {};
+        apiClient.invokeAPI(path, HttpMethod.PUT, queryParams, postBody, headerParams, formParams, accept, contentType, authNames, returnType);
+    }
 }

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

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

@@ -589,4 +589,65 @@ public class FakeApi {
         ParameterizedTypeReference<Void> returnType = new ParameterizedTypeReference<Void>() {};
         apiClient.invokeAPI(path, HttpMethod.GET, queryParams, postBody, headerParams, formParams, accept, contentType, authNames, returnType);
     }
+    /**
+     * 
+     * To test the collection format in query parameters
+     * <p><b>200</b> - Success
+     * @param pipe The pipe parameter
+     * @param ioutil The ioutil parameter
+     * @param http The http parameter
+     * @param url The url parameter
+     * @param context The context parameter
+     * @throws RestClientException if an error occurs while attempting to invoke the API
+     */
+    public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws RestClientException {
+        Object postBody = null;
+        
+        // verify the required parameter 'pipe' is set
+        if (pipe == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'ioutil' is set
+        if (ioutil == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'http' is set
+        if (http == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'url' is set
+        if (url == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'context' is set
+        if (context == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+        }
+        
+        String path = apiClient.expandPath("/fake/test-query-paramters", Collections.<String, Object>emptyMap());
+
+        final MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<String, String>();
+        final HttpHeaders headerParams = new HttpHeaders();
+        final MultiValueMap<String, Object> formParams = new LinkedMultiValueMap<String, Object>();
+
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("csv".toUpperCase(Locale.ROOT)), "pipe", pipe));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("csv".toUpperCase(Locale.ROOT)), "ioutil", ioutil));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("space".toUpperCase(Locale.ROOT)), "http", http));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("csv".toUpperCase(Locale.ROOT)), "url", url));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("multi".toUpperCase(Locale.ROOT)), "context", context));
+
+        final String[] accepts = { };
+        final List<MediaType> accept = apiClient.selectHeaderAccept(accepts);
+        final String[] contentTypes = { };
+        final MediaType contentType = apiClient.selectHeaderContentType(contentTypes);
+
+        String[] authNames = new String[] {  };
+
+        ParameterizedTypeReference<Void> returnType = new ParameterizedTypeReference<Void>() {};
+        apiClient.invokeAPI(path, HttpMethod.PUT, queryParams, postBody, headerParams, formParams, accept, contentType, authNames, returnType);
+    }
 }

samples/client/petstore/java/retrofit/src/main/java/org/openapitools/client/CollectionFormats.java

@@ -35,6 +35,10 @@ public class CollectionFormats {
         
     }
     
+    public static class SPACEParams extends SSVParams {
+
+    }
+
     public static class SSVParams extends CSVParams {
         
         public SSVParams() {

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

@@ -394,4 +394,36 @@ public interface FakeApi {
   void testJsonFormData(
     @retrofit.http.Field("param") String param, @retrofit.http.Field("param2") String param2, Callback<Void> cb
   );
+  /**
+   * 
+   * Sync method
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return Void
+   */
+  
+  @PUT("/fake/test-query-paramters")
+  Void testQueryParameterCollectionFormat(
+    @retrofit.http.Query("pipe") CSVParams pipe, @retrofit.http.Query("ioutil") CSVParams ioutil, @retrofit.http.Query("http") SPACEParams http, @retrofit.http.Query("url") CSVParams url, @retrofit.http.Query("context") List<String> context
+  );
+
+  /**
+   * 
+   * Async method
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @param cb callback method
+   */
+  
+  @PUT("/fake/test-query-paramters")
+  void testQueryParameterCollectionFormat(
+    @retrofit.http.Query("pipe") CSVParams pipe, @retrofit.http.Query("ioutil") CSVParams ioutil, @retrofit.http.Query("http") SPACEParams http, @retrofit.http.Query("url") CSVParams url, @retrofit.http.Query("context") List<String> context, Callback<Void> cb
+  );
 }

samples/client/petstore/java/retrofit2-play24/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/retrofit2-play24/src/main/java/org/openapitools/client/CollectionFormats.java

@@ -35,6 +35,10 @@ public class CollectionFormats {
 
     }
 
+    public static class SPACEParams extends SSVParams {
+
+    }
+
     public static class SSVParams extends CSVParams {
 
         public SSVParams() {

samples/client/petstore/java/retrofit2-play24/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -218,4 +218,19 @@ public interface FakeApi {
     @retrofit2.http.Field("param") String param, @retrofit2.http.Field("param2") String param2
   );
 
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return Call<Void>
+   */
+  @PUT("fake/test-query-paramters")
+  F.Promise<Response<Void>> testQueryParameterCollectionFormat(
+    @retrofit2.http.Query("pipe") CSVParams pipe, @retrofit2.http.Query("ioutil") CSVParams ioutil, @retrofit2.http.Query("http") SPACEParams http, @retrofit2.http.Query("url") CSVParams url, @retrofit2.http.Query("context") List<String> context
+  );
+
 }

samples/client/petstore/java/retrofit2-play25/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/retrofit2-play25/src/main/java/org/openapitools/client/CollectionFormats.java

@@ -35,6 +35,10 @@ public class CollectionFormats {
 
     }
 
+    public static class SPACEParams extends SSVParams {
+
+    }
+
     public static class SSVParams extends CSVParams {
 
         public SSVParams() {

samples/client/petstore/java/retrofit2-play25/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -218,4 +218,19 @@ public interface FakeApi {
     @retrofit2.http.Field("param") String param, @retrofit2.http.Field("param2") String param2
   );
 
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return Call<Void>
+   */
+  @PUT("fake/test-query-paramters")
+  CompletionStage<Response<Void>> testQueryParameterCollectionFormat(
+    @retrofit2.http.Query("pipe") CSVParams pipe, @retrofit2.http.Query("ioutil") CSVParams ioutil, @retrofit2.http.Query("http") SPACEParams http, @retrofit2.http.Query("url") CSVParams url, @retrofit2.http.Query("context") List<String> context
+  );
+
 }

samples/client/petstore/java/retrofit2-play26/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/retrofit2-play26/src/main/java/org/openapitools/client/CollectionFormats.java

@@ -35,6 +35,10 @@ public class CollectionFormats {
 
     }
 
+    public static class SPACEParams extends SSVParams {
+
+    }
+
     public static class SSVParams extends CSVParams {
 
         public SSVParams() {

samples/client/petstore/java/retrofit2-play26/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -218,4 +218,19 @@ public interface FakeApi {
     @retrofit2.http.Field("param") String param, @retrofit2.http.Field("param2") String param2
   );
 
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return Call<Void>
+   */
+  @PUT("fake/test-query-paramters")
+  CompletionStage<Response<Void>> testQueryParameterCollectionFormat(
+    @retrofit2.http.Query("pipe") CSVParams pipe, @retrofit2.http.Query("ioutil") CSVParams ioutil, @retrofit2.http.Query("http") SPACEParams http, @retrofit2.http.Query("url") CSVParams url, @retrofit2.http.Query("context") List<String> context
+  );
+
 }

samples/client/petstore/java/retrofit2/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/retrofit2/src/main/java/org/openapitools/client/CollectionFormats.java

@@ -35,6 +35,10 @@ public class CollectionFormats {
 
     }
 
+    public static class SPACEParams extends SSVParams {
+
+    }
+
     public static class SSVParams extends CSVParams {
 
         public SSVParams() {

samples/client/petstore/java/retrofit2/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -213,4 +213,19 @@ public interface FakeApi {
     @retrofit2.http.Field("param") String param, @retrofit2.http.Field("param2") String param2
   );
 
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return Call<Void>
+   */
+  @PUT("fake/test-query-paramters")
+  Call<Void> testQueryParameterCollectionFormat(
+    @retrofit2.http.Query("pipe") CSVParams pipe, @retrofit2.http.Query("ioutil") CSVParams ioutil, @retrofit2.http.Query("http") SPACEParams http, @retrofit2.http.Query("url") CSVParams url, @retrofit2.http.Query("context") List<String> context
+  );
+
 }

samples/client/petstore/java/retrofit2rx/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/retrofit2rx/src/main/java/org/openapitools/client/CollectionFormats.java

@@ -35,6 +35,10 @@ public class CollectionFormats {
 
     }
 
+    public static class SPACEParams extends SSVParams {
+
+    }
+
     public static class SSVParams extends CSVParams {
 
         public SSVParams() {

samples/client/petstore/java/retrofit2rx/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -213,4 +213,19 @@ public interface FakeApi {
     @retrofit2.http.Field("param") String param, @retrofit2.http.Field("param2") String param2
   );
 
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return Observable<Void>
+   */
+  @PUT("fake/test-query-paramters")
+  Observable<Void> testQueryParameterCollectionFormat(
+    @retrofit2.http.Query("pipe") CSVParams pipe, @retrofit2.http.Query("ioutil") CSVParams ioutil, @retrofit2.http.Query("http") SPACEParams http, @retrofit2.http.Query("url") CSVParams url, @retrofit2.http.Query("context") List<String> context
+  );
+
 }

samples/client/petstore/java/retrofit2rx2/docs/FakeApi.md

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

samples/client/petstore/java/retrofit2rx2/src/main/java/org/openapitools/client/CollectionFormats.java

@@ -35,6 +35,10 @@ public class CollectionFormats {
 
     }
 
+    public static class SPACEParams extends SSVParams {
+
+    }
+
     public static class SSVParams extends CSVParams {
 
         public SSVParams() {

samples/client/petstore/java/retrofit2rx2/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -214,4 +214,19 @@ public interface FakeApi {
     @retrofit2.http.Field("param") String param, @retrofit2.http.Field("param2") String param2
   );
 
+  /**
+   * 
+   * To test the collection format in query parameters
+   * @param pipe  (required)
+   * @param ioutil  (required)
+   * @param http  (required)
+   * @param url  (required)
+   * @param context  (required)
+   * @return Completable
+   */
+  @PUT("fake/test-query-paramters")
+  Completable testQueryParameterCollectionFormat(
+    @retrofit2.http.Query("pipe") CSVParams pipe, @retrofit2.http.Query("ioutil") CSVParams ioutil, @retrofit2.http.Query("http") SPACEParams http, @retrofit2.http.Query("url") CSVParams url, @retrofit2.http.Query("context") List<String> context
+  );
+
 }

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

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

@@ -43,4 +43,6 @@ public interface FakeApi {
 
     void testJsonFormData(String param, String param2, Handler<AsyncResult<Void>> handler);
 
+    void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, Handler<AsyncResult<Void>> handler);
+
 }

samples/client/petstore/java/vertx/src/main/java/org/openapitools/client/api/FakeApiImpl.java

@@ -561,4 +561,71 @@ if (param2 != null) localVarFormParams.put("param2", param2);
 
         apiClient.invokeAPI(localVarPath, "GET", localVarQueryParams, localVarBody, localVarHeaderParams, localVarFormParams, localVarAccepts, localVarContentTypes, localVarAuthNames, null, resultHandler);
     }
+    /**
+     * 
+     * To test the collection format in query parameters
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @param resultHandler Asynchronous result handler
+     */
+    public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, Handler<AsyncResult<Void>> resultHandler) {
+        Object localVarBody = null;
+        
+        // verify the required parameter 'pipe' is set
+        if (pipe == null) {
+            resultHandler.handle(ApiException.fail(400, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat"));
+            return;
+        }
+        
+        // verify the required parameter 'ioutil' is set
+        if (ioutil == null) {
+            resultHandler.handle(ApiException.fail(400, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat"));
+            return;
+        }
+        
+        // verify the required parameter 'http' is set
+        if (http == null) {
+            resultHandler.handle(ApiException.fail(400, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat"));
+            return;
+        }
+        
+        // verify the required parameter 'url' is set
+        if (url == null) {
+            resultHandler.handle(ApiException.fail(400, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat"));
+            return;
+        }
+        
+        // verify the required parameter 'context' is set
+        if (context == null) {
+            resultHandler.handle(ApiException.fail(400, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat"));
+            return;
+        }
+        
+        // create path and map variables
+        String localVarPath = "/fake/test-query-paramters";
+
+        // query params
+        List<Pair> localVarQueryParams = new ArrayList<>();
+        localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "pipe", pipe));
+        localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "ioutil", ioutil));
+        localVarQueryParams.addAll(apiClient.parameterToPairs("space", "http", http));
+        localVarQueryParams.addAll(apiClient.parameterToPairs("csv", "url", url));
+        localVarQueryParams.addAll(apiClient.parameterToPairs("multi", "context", context));
+
+        // header params
+        MultiMap localVarHeaderParams = MultiMap.caseInsensitiveMultiMap();
+        
+        // form params
+        // TODO: sending files within multipart/form-data is not supported yet (because of vertx web-client)
+        Map<String, Object> localVarFormParams = new HashMap<>();
+        
+        String[] localVarAccepts = {  };
+        String[] localVarContentTypes = {  };
+        String[] localVarAuthNames = new String[] {  };
+
+        apiClient.invokeAPI(localVarPath, "PUT", localVarQueryParams, localVarBody, localVarHeaderParams, localVarFormParams, localVarAccepts, localVarContentTypes, localVarAuthNames, null, resultHandler);
+    }
 }

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

@@ -356,6 +356,35 @@ public class FakeApi {
             delegate.testJsonFormData(param, param2, fut);
         }));
     }
+    /**
+     * 
+     * To test the collection format in query parameters
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @param resultHandler Asynchronous result handler
+     */
+    public void testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context, Handler<AsyncResult<Void>> resultHandler) {
+        delegate.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context, resultHandler);
+    }
+
+    /**
+     * 
+     * To test the collection format in query parameters
+     * @param pipe  (required)
+     * @param ioutil  (required)
+     * @param http  (required)
+     * @param url  (required)
+     * @param context  (required)
+     * @return Asynchronous result handler (RxJava Single)
+     */
+    public Single<Void> rxTestQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) {
+        return Single.create(new io.vertx.rx.java.SingleOnSubscribeAdapter<>(fut -> {
+            delegate.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context, fut);
+        }));
+    }
 
     public static FakeApi newInstance(org.openapitools.client.api.FakeApi arg) {
         return arg != null ? new FakeApi(arg) : null;

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -912,3 +913,75 @@ No authorization required
 |-------------|-------------|------------------|
 | **200** | successful operation |  -  |
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```java
+// Import classes:
+import org.openapitools.client.ApiClient;
+import org.openapitools.client.ApiException;
+import org.openapitools.client.Configuration;
+import org.openapitools.client.models.*;
+import org.openapitools.client.api.FakeApi;
+
+public class Example {
+    public static void main(String[] args) {
+        ApiClient defaultClient = Configuration.getDefaultApiClient();
+        defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
+
+        FakeApi apiInstance = new FakeApi(defaultClient);
+        List<String> pipe = Arrays.asList(); // List<String> | 
+        List<String> ioutil = Arrays.asList(); // List<String> | 
+        List<String> http = Arrays.asList(); // List<String> | 
+        List<String> url = Arrays.asList(); // List<String> | 
+        List<String> context = Arrays.asList(); // List<String> | 
+        try {
+            apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context);
+        } catch (ApiException e) {
+            System.err.println("Exception when calling FakeApi#testQueryParameterCollectionFormat");
+            System.err.println("Status code: " + e.getCode());
+            System.err.println("Reason: " + e.getResponseBody());
+            System.err.println("Response headers: " + e.getResponseHeaders());
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**List&lt;String&gt;**](String.md)|  |
+ **ioutil** | [**List&lt;String&gt;**](String.md)|  |
+ **http** | [**List&lt;String&gt;**](String.md)|  |
+ **url** | [**List&lt;String&gt;**](String.md)|  |
+ **context** | [**List&lt;String&gt;**](String.md)|  |
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+

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

@@ -587,4 +587,65 @@ public class FakeApi {
         ParameterizedTypeReference<Void> returnType = new ParameterizedTypeReference<Void>() {};
         return apiClient.invokeAPI(path, HttpMethod.GET, queryParams, postBody, headerParams, formParams, accept, contentType, authNames, returnType);
     }
+    /**
+     * 
+     * To test the collection format in query parameters
+     * <p><b>200</b> - Success
+     * @param pipe The pipe parameter
+     * @param ioutil The ioutil parameter
+     * @param http The http parameter
+     * @param url The url parameter
+     * @param context The context parameter
+     * @throws RestClientException if an error occurs while attempting to invoke the API
+     */
+    public Mono<Void> testQueryParameterCollectionFormat(List<String> pipe, List<String> ioutil, List<String> http, List<String> url, List<String> context) throws RestClientException {
+        Object postBody = null;
+        
+        // verify the required parameter 'pipe' is set
+        if (pipe == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'ioutil' is set
+        if (ioutil == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'http' is set
+        if (http == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'url' is set
+        if (url == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+        }
+        
+        // verify the required parameter 'context' is set
+        if (context == null) {
+            throw new HttpClientErrorException(HttpStatus.BAD_REQUEST, "Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+        }
+        
+        String path = UriComponentsBuilder.fromPath("/fake/test-query-paramters").build().toUriString();
+        
+        final MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<String, String>();
+        final HttpHeaders headerParams = new HttpHeaders();
+        final MultiValueMap<String, Object> formParams = new LinkedMultiValueMap<String, Object>();
+        
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("csv".toUpperCase(Locale.ROOT)), "pipe", pipe));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("csv".toUpperCase(Locale.ROOT)), "ioutil", ioutil));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("space".toUpperCase(Locale.ROOT)), "http", http));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("csv".toUpperCase(Locale.ROOT)), "url", url));
+        queryParams.putAll(apiClient.parameterToMultiValueMap(ApiClient.CollectionFormat.valueOf("multi".toUpperCase(Locale.ROOT)), "context", context));
+
+        final String[] accepts = { };
+        final List<MediaType> accept = apiClient.selectHeaderAccept(accepts);
+        final String[] contentTypes = { };
+        final MediaType contentType = apiClient.selectHeaderContentType(contentTypes);
+
+        String[] authNames = new String[] {  };
+
+        ParameterizedTypeReference<Void> returnType = new ParameterizedTypeReference<Void>() {};
+        return apiClient.invokeAPI(path, HttpMethod.PUT, queryParams, postBody, headerParams, formParams, accept, contentType, authNames, returnType);
+    }
 }

samples/client/petstore/javascript-es6/README.md

@@ -134,6 +134,7 @@ Class | Method | HTTP request | Description
 *OpenApiPetstore.FakeApi* | [**testGroupParameters**](docs/FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *OpenApiPetstore.FakeApi* | [**testInlineAdditionalProperties**](docs/FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *OpenApiPetstore.FakeApi* | [**testJsonFormData**](docs/FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+*OpenApiPetstore.FakeApi* | [**testQueryParameterCollectionFormat**](docs/FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 *OpenApiPetstore.FakeClassnameTags123Api* | [**testClassname**](docs/FakeClassnameTags123Api.md#testClassname) | **PATCH** /fake_classname_test | To test class name in snake case
 *OpenApiPetstore.PetApi* | [**addPet**](docs/PetApi.md#addPet) | **POST** /pet | Add a new pet to the store
 *OpenApiPetstore.PetApi* | [**deletePet**](docs/PetApi.md#deletePet) | **DELETE** /pet/{petId} | Deletes a pet

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -671,3 +672,56 @@ No authorization required
 - **Content-Type**: application/x-www-form-urlencoded
 - **Accept**: Not defined
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```javascript
+import OpenApiPetstore from 'open_api_petstore';
+
+let apiInstance = new OpenApiPetstore.FakeApi();
+let pipe = ["null"]; // [String] | 
+let ioutil = ["null"]; // [String] | 
+let http = ["null"]; // [String] | 
+let url = ["null"]; // [String] | 
+let context = ["null"]; // [String] | 
+apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context, (error, data, response) => {
+  if (error) {
+    console.error(error);
+  } else {
+    console.log('API called successfully.');
+  }
+});
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**[String]**](String.md)|  | 
+ **ioutil** | [**[String]**](String.md)|  | 
+ **http** | [**[String]**](String.md)|  | 
+ **url** | [**[String]**](String.md)|  | 
+ **context** | [**[String]**](String.md)|  | 
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+

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

@@ -647,5 +647,70 @@ export default class FakeApi {
       );
     }
 
+    /**
+     * Callback function to receive the result of the testQueryParameterCollectionFormat operation.
+     * @callback module:api/FakeApi~testQueryParameterCollectionFormatCallback
+     * @param {String} error Error message, if any.
+     * @param data This operation does not return a value.
+     * @param {String} response The complete HTTP response.
+     */
+
+    /**
+     * To test the collection format in query parameters
+     * @param {Array.<String>} pipe 
+     * @param {Array.<String>} ioutil 
+     * @param {Array.<String>} http 
+     * @param {Array.<String>} url 
+     * @param {Array.<String>} context 
+     * @param {module:api/FakeApi~testQueryParameterCollectionFormatCallback} callback The callback function, accepting three arguments: error, data, response
+     */
+    testQueryParameterCollectionFormat(pipe, ioutil, http, url, context, callback) {
+      let postBody = null;
+      // verify the required parameter 'pipe' is set
+      if (pipe === undefined || pipe === null) {
+        throw new Error("Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'ioutil' is set
+      if (ioutil === undefined || ioutil === null) {
+        throw new Error("Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'http' is set
+      if (http === undefined || http === null) {
+        throw new Error("Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'url' is set
+      if (url === undefined || url === null) {
+        throw new Error("Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'context' is set
+      if (context === undefined || context === null) {
+        throw new Error("Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+      }
+
+      let pathParams = {
+      };
+      let queryParams = {
+        'pipe': this.apiClient.buildCollectionParam(pipe, 'csv'),
+        'ioutil': this.apiClient.buildCollectionParam(ioutil, 'csv'),
+        'http': this.apiClient.buildCollectionParam(http, 'space'),
+        'url': this.apiClient.buildCollectionParam(url, 'csv'),
+        'context': this.apiClient.buildCollectionParam(context, 'multi')
+      };
+      let headerParams = {
+      };
+      let formParams = {
+      };
+
+      let authNames = [];
+      let contentTypes = [];
+      let accepts = [];
+      let returnType = null;
+      return this.apiClient.callApi(
+        '/fake/test-query-paramters', 'PUT',
+        pathParams, queryParams, headerParams, formParams, postBody,
+        authNames, contentTypes, accepts, returnType, null, callback
+      );
+    }
+
 
 }

samples/client/petstore/javascript-promise-es6/README.md

@@ -132,6 +132,7 @@ Class | Method | HTTP request | Description
 *OpenApiPetstore.FakeApi* | [**testGroupParameters**](docs/FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *OpenApiPetstore.FakeApi* | [**testInlineAdditionalProperties**](docs/FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *OpenApiPetstore.FakeApi* | [**testJsonFormData**](docs/FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+*OpenApiPetstore.FakeApi* | [**testQueryParameterCollectionFormat**](docs/FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 *OpenApiPetstore.FakeClassnameTags123Api* | [**testClassname**](docs/FakeClassnameTags123Api.md#testClassname) | **PATCH** /fake_classname_test | To test class name in snake case
 *OpenApiPetstore.PetApi* | [**addPet**](docs/PetApi.md#addPet) | **POST** /pet | Add a new pet to the store
 *OpenApiPetstore.PetApi* | [**deletePet**](docs/PetApi.md#deletePet) | **DELETE** /pet/{petId} | Deletes a pet

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -658,3 +659,55 @@ No authorization required
 - **Content-Type**: application/x-www-form-urlencoded
 - **Accept**: Not defined
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```javascript
+import OpenApiPetstore from 'open_api_petstore';
+
+let apiInstance = new OpenApiPetstore.FakeApi();
+let pipe = ["null"]; // [String] | 
+let ioutil = ["null"]; // [String] | 
+let http = ["null"]; // [String] | 
+let url = ["null"]; // [String] | 
+let context = ["null"]; // [String] | 
+apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context).then(() => {
+  console.log('API called successfully.');
+}, (error) => {
+  console.error(error);
+});
+
+```
+
+### Parameters
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**[String]**](String.md)|  | 
+ **ioutil** | [**[String]**](String.md)|  | 
+ **http** | [**[String]**](String.md)|  | 
+ **url** | [**[String]**](String.md)|  | 
+ **context** | [**[String]**](String.md)|  | 
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+

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

@@ -746,4 +746,78 @@ export default class FakeApi {
     }
 
 
+    /**
+     * To test the collection format in query parameters
+     * @param {Array.<String>} pipe 
+     * @param {Array.<String>} ioutil 
+     * @param {Array.<String>} http 
+     * @param {Array.<String>} url 
+     * @param {Array.<String>} context 
+     * @return {Promise} a {@link https://www.promisejs.org/|Promise}, with an object containing HTTP response
+     */
+    testQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context) {
+      let postBody = null;
+      // verify the required parameter 'pipe' is set
+      if (pipe === undefined || pipe === null) {
+        throw new Error("Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'ioutil' is set
+      if (ioutil === undefined || ioutil === null) {
+        throw new Error("Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'http' is set
+      if (http === undefined || http === null) {
+        throw new Error("Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'url' is set
+      if (url === undefined || url === null) {
+        throw new Error("Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'context' is set
+      if (context === undefined || context === null) {
+        throw new Error("Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+      }
+
+      let pathParams = {
+      };
+      let queryParams = {
+        'pipe': this.apiClient.buildCollectionParam(pipe, 'csv'),
+        'ioutil': this.apiClient.buildCollectionParam(ioutil, 'csv'),
+        'http': this.apiClient.buildCollectionParam(http, 'space'),
+        'url': this.apiClient.buildCollectionParam(url, 'csv'),
+        'context': this.apiClient.buildCollectionParam(context, 'multi')
+      };
+      let headerParams = {
+      };
+      let formParams = {
+      };
+
+      let authNames = [];
+      let contentTypes = [];
+      let accepts = [];
+      let returnType = null;
+      return this.apiClient.callApi(
+        '/fake/test-query-paramters', 'PUT',
+        pathParams, queryParams, headerParams, formParams, postBody,
+        authNames, contentTypes, accepts, returnType, null
+      );
+    }
+
+    /**
+     * To test the collection format in query parameters
+     * @param {Array.<String>} pipe 
+     * @param {Array.<String>} ioutil 
+     * @param {Array.<String>} http 
+     * @param {Array.<String>} url 
+     * @param {Array.<String>} context 
+     * @return {Promise} a {@link https://www.promisejs.org/|Promise}
+     */
+    testQueryParameterCollectionFormat(pipe, ioutil, http, url, context) {
+      return this.testQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context)
+        .then(function(response_and_data) {
+          return response_and_data.data;
+        });
+    }
+
+
 }

samples/client/petstore/javascript-promise/README.md

@@ -120,6 +120,7 @@ Class | Method | HTTP request | Description
 *OpenApiPetstore.FakeApi* | [**testGroupParameters**](docs/FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *OpenApiPetstore.FakeApi* | [**testInlineAdditionalProperties**](docs/FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *OpenApiPetstore.FakeApi* | [**testJsonFormData**](docs/FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+*OpenApiPetstore.FakeApi* | [**testQueryParameterCollectionFormat**](docs/FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 *OpenApiPetstore.FakeClassnameTags123Api* | [**testClassname**](docs/FakeClassnameTags123Api.md#testClassname) | **PATCH** /fake_classname_test | To test class name in snake case
 *OpenApiPetstore.PetApi* | [**addPet**](docs/PetApi.md#addPet) | **POST** /pet | Add a new pet to the store
 *OpenApiPetstore.PetApi* | [**deletePet**](docs/PetApi.md#deletePet) | **DELETE** /pet/{petId} | Deletes a pet

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -671,3 +672,56 @@ No authorization required
 - **Content-Type**: application/x-www-form-urlencoded
 - **Accept**: Not defined
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```javascript
+var OpenApiPetstore = require('open_api_petstore');
+
+var apiInstance = new OpenApiPetstore.FakeApi();
+var pipe = ["null"]; // [String] | 
+var ioutil = ["null"]; // [String] | 
+var http = ["null"]; // [String] | 
+var url = ["null"]; // [String] | 
+var context = ["null"]; // [String] | 
+apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context).then(function() {
+  console.log('API called successfully.');
+}, function(error) {
+  console.error(error);
+});
+
+```
+
+### Parameters
+
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**[String]**](String.md)|  | 
+ **ioutil** | [**[String]**](String.md)|  | 
+ **http** | [**[String]**](String.md)|  | 
+ **url** | [**[String]**](String.md)|  | 
+ **context** | [**[String]**](String.md)|  | 
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+

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

@@ -782,6 +782,97 @@
           return response_and_data.data;
         });
     }
+
+
+    /**
+     * To test the collection format in query parameters
+     * @param {Array.<String>} pipe 
+     * @param {Array.<String>} ioutil 
+     * @param {Array.<String>} http 
+     * @param {Array.<String>} url 
+     * @param {Array.<String>} context 
+     * @return {Promise} a {@link https://www.promisejs.org/|Promise}, with an object containing HTTP response
+     */
+    this.testQueryParameterCollectionFormatWithHttpInfo = function(pipe, ioutil, http, url, context) {
+      var postBody = null;
+      // verify the required parameter 'pipe' is set
+      if (pipe === undefined || pipe === null) {
+        throw new Error("Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'ioutil' is set
+      if (ioutil === undefined || ioutil === null) {
+        throw new Error("Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'http' is set
+      if (http === undefined || http === null) {
+        throw new Error("Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'url' is set
+      if (url === undefined || url === null) {
+        throw new Error("Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'context' is set
+      if (context === undefined || context === null) {
+        throw new Error("Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+      }
+
+      var pathParams = {
+      };
+      var queryParams = {
+      };
+      var collectionQueryParams = {
+        'pipe': {
+          value: pipe,
+          collectionFormat: 'csv'
+        },
+        'ioutil': {
+          value: ioutil,
+          collectionFormat: 'csv'
+        },
+        'http': {
+          value: http,
+          collectionFormat: 'space'
+        },
+        'url': {
+          value: url,
+          collectionFormat: 'csv'
+        },
+        'context': {
+          value: context,
+          collectionFormat: 'multi'
+        },
+      };
+      var headerParams = {
+      };
+      var formParams = {
+      };
+
+      var authNames = [];
+      var contentTypes = [];
+      var accepts = [];
+      var returnType = null;
+      return this.apiClient.callApi(
+        '/fake/test-query-paramters', 'PUT',
+        pathParams, queryParams, collectionQueryParams, headerParams, formParams, postBody,
+        authNames, contentTypes, accepts, returnType, null
+      );
+    }
+
+    /**
+     * To test the collection format in query parameters
+     * @param {Array.<String>} pipe 
+     * @param {Array.<String>} ioutil 
+     * @param {Array.<String>} http 
+     * @param {Array.<String>} url 
+     * @param {Array.<String>} context 
+     * @return {Promise} a {@link https://www.promisejs.org/|Promise}
+     */
+    this.testQueryParameterCollectionFormat = function(pipe, ioutil, http, url, context) {
+      return this.testQueryParameterCollectionFormatWithHttpInfo(pipe, ioutil, http, url, context)
+        .then(function(response_and_data) {
+          return response_and_data.data;
+        });
+    }
   };
 
   return exports;

samples/client/petstore/javascript/README.md

@@ -123,6 +123,7 @@ Class | Method | HTTP request | Description
 *OpenApiPetstore.FakeApi* | [**testGroupParameters**](docs/FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *OpenApiPetstore.FakeApi* | [**testInlineAdditionalProperties**](docs/FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *OpenApiPetstore.FakeApi* | [**testJsonFormData**](docs/FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+*OpenApiPetstore.FakeApi* | [**testQueryParameterCollectionFormat**](docs/FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 *OpenApiPetstore.FakeClassnameTags123Api* | [**testClassname**](docs/FakeClassnameTags123Api.md#testClassname) | **PATCH** /fake_classname_test | To test class name in snake case
 *OpenApiPetstore.PetApi* | [**addPet**](docs/PetApi.md#addPet) | **POST** /pet | Add a new pet to the store
 *OpenApiPetstore.PetApi* | [**deletePet**](docs/PetApi.md#deletePet) | **DELETE** /pet/{petId} | Deletes a pet

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

@@ -17,6 +17,7 @@ Method | HTTP request | Description
 [**testGroupParameters**](FakeApi.md#testGroupParameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**testInlineAdditionalProperties**](FakeApi.md#testInlineAdditionalProperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**testJsonFormData**](FakeApi.md#testJsonFormData) | **GET** /fake/jsonFormData | test json serialization of form data
+[**testQueryParameterCollectionFormat**](FakeApi.md#testQueryParameterCollectionFormat) | **PUT** /fake/test-query-paramters | 
 
 
 
@@ -697,3 +698,58 @@ No authorization required
 - **Content-Type**: application/x-www-form-urlencoded
 - **Accept**: Not defined
 
+
+## testQueryParameterCollectionFormat
+
+> testQueryParameterCollectionFormat(pipe, ioutil, http, url, context)
+
+
+
+To test the collection format in query parameters
+
+### Example
+
+```javascript
+var OpenApiPetstore = require('open_api_petstore');
+
+var apiInstance = new OpenApiPetstore.FakeApi();
+var pipe = ["null"]; // [String] | 
+var ioutil = ["null"]; // [String] | 
+var http = ["null"]; // [String] | 
+var url = ["null"]; // [String] | 
+var context = ["null"]; // [String] | 
+var callback = function(error, data, response) {
+  if (error) {
+    console.error(error);
+  } else {
+    console.log('API called successfully.');
+  }
+};
+apiInstance.testQueryParameterCollectionFormat(pipe, ioutil, http, url, context, callback);
+```
+
+### Parameters
+
+
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**[String]**](String.md)|  | 
+ **ioutil** | [**[String]**](String.md)|  | 
+ **http** | [**[String]**](String.md)|  | 
+ **url** | [**[String]**](String.md)|  | 
+ **context** | [**[String]**](String.md)|  | 
+
+### Return type
+
+null (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: Not defined
+

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

@@ -684,6 +684,88 @@
         authNames, contentTypes, accepts, returnType, null, callback
       );
     }
+
+    /**
+     * Callback function to receive the result of the testQueryParameterCollectionFormat operation.
+     * @callback module:api/FakeApi~testQueryParameterCollectionFormatCallback
+     * @param {String} error Error message, if any.
+     * @param data This operation does not return a value.
+     * @param {String} response The complete HTTP response.
+     */
+
+    /**
+     * To test the collection format in query parameters
+     * @param {Array.<String>} pipe 
+     * @param {Array.<String>} ioutil 
+     * @param {Array.<String>} http 
+     * @param {Array.<String>} url 
+     * @param {Array.<String>} context 
+     * @param {module:api/FakeApi~testQueryParameterCollectionFormatCallback} callback The callback function, accepting three arguments: error, data, response
+     */
+    this.testQueryParameterCollectionFormat = function(pipe, ioutil, http, url, context, callback) {
+      var postBody = null;
+      // verify the required parameter 'pipe' is set
+      if (pipe === undefined || pipe === null) {
+        throw new Error("Missing the required parameter 'pipe' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'ioutil' is set
+      if (ioutil === undefined || ioutil === null) {
+        throw new Error("Missing the required parameter 'ioutil' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'http' is set
+      if (http === undefined || http === null) {
+        throw new Error("Missing the required parameter 'http' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'url' is set
+      if (url === undefined || url === null) {
+        throw new Error("Missing the required parameter 'url' when calling testQueryParameterCollectionFormat");
+      }
+      // verify the required parameter 'context' is set
+      if (context === undefined || context === null) {
+        throw new Error("Missing the required parameter 'context' when calling testQueryParameterCollectionFormat");
+      }
+
+      var pathParams = {
+      };
+      var queryParams = {
+      };
+      var collectionQueryParams = {
+        'pipe': {
+          value: pipe,
+          collectionFormat: 'csv'
+        },
+        'ioutil': {
+          value: ioutil,
+          collectionFormat: 'csv'
+        },
+        'http': {
+          value: http,
+          collectionFormat: 'space'
+        },
+        'url': {
+          value: url,
+          collectionFormat: 'csv'
+        },
+        'context': {
+          value: context,
+          collectionFormat: 'multi'
+        },
+      };
+      var headerParams = {
+      };
+      var formParams = {
+      };
+
+      var authNames = [];
+      var contentTypes = [];
+      var accepts = [];
+      var returnType = null;
+      return this.apiClient.callApi(
+        '/fake/test-query-paramters', 'PUT',
+        pathParams, queryParams, collectionQueryParams, headerParams, formParams, postBody,
+        authNames, contentTypes, accepts, returnType, null, callback
+      );
+    }
   };
 
   return exports;

samples/client/petstore/perl/README.md

@@ -383,6 +383,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**test_group_parameters**](docs/FakeApi.md#test_group_parameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *FakeApi* | [**test_inline_additional_properties**](docs/FakeApi.md#test_inline_additional_properties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 *FakeApi* | [**test_json_form_data**](docs/FakeApi.md#test_json_form_data) | **GET** /fake/jsonFormData | test json serialization of form data
+*FakeApi* | [**test_query_parameter_collection_format**](docs/FakeApi.md#test_query_parameter_collection_format) | **PUT** /fake/test-query-paramters | 
 *FakeClassnameTags123Api* | [**test_classname**](docs/FakeClassnameTags123Api.md#test_classname) | **PATCH** /fake_classname_test | To test class name in snake case
 *PetApi* | [**add_pet**](docs/PetApi.md#add_pet) | **POST** /pet | Add a new pet to the store
 *PetApi* | [**delete_pet**](docs/PetApi.md#delete_pet) | **DELETE** /pet/{petId} | Deletes a pet

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

@@ -22,6 +22,7 @@ Method | HTTP request | Description
 [**test_group_parameters**](FakeApi.md#test_group_parameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**test_inline_additional_properties**](FakeApi.md#test_inline_additional_properties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
 [**test_json_form_data**](FakeApi.md#test_json_form_data) | **GET** /fake/jsonFormData | test json serialization of form data
+[**test_query_parameter_collection_format**](FakeApi.md#test_query_parameter_collection_format) | **PUT** /fake/test-query-paramters | 
 
 
 # **create_xml_item**
@@ -667,3 +668,56 @@ No authorization required
 
 [[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_query_parameter_collection_format**
+> test_query_parameter_collection_format(pipe => $pipe, ioutil => $ioutil, http => $http, url => $url, context => $context)
+
+
+
+To test the collection format in query parameters
+
+### Example 
+```perl
+use Data::Dumper;
+use WWW::OpenAPIClient::FakeApi;
+my $api_instance = WWW::OpenAPIClient::FakeApi->new(
+);
+
+my $pipe = [("null")]; # ARRAY[string] | 
+my $ioutil = [("null")]; # ARRAY[string] | 
+my $http = [("null")]; # ARRAY[string] | 
+my $url = [("null")]; # ARRAY[string] | 
+my $context = [("null")]; # ARRAY[string] | 
+
+eval { 
+    $api_instance->test_query_parameter_collection_format(pipe => $pipe, ioutil => $ioutil, http => $http, url => $url, context => $context);
+};
+if ($@) {
+    warn "Exception when calling FakeApi->test_query_parameter_collection_format: $@\n";
+}
+```
+
+### Parameters
+
+Name | Type | Description  | Notes
+------------- | ------------- | ------------- | -------------
+ **pipe** | [**ARRAY[string]**](string.md)|  | 
+ **ioutil** | [**ARRAY[string]**](string.md)|  | 
+ **http** | [**ARRAY[string]**](string.md)|  | 
+ **url** | [**ARRAY[string]**](string.md)|  | 
+ **context** | [**ARRAY[string]**](string.md)|  | 
+
+### Return type
+
+void (empty response body)
+
+### Authorization
+
+No authorization required
+
+### HTTP request headers
+
+ - **Content-Type**: Not defined
+ - **Accept**: Not defined
+
+[[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)
+

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

@@ -1169,4 +1169,129 @@ sub test_json_form_data {
     return;
 }
 
+#
+# test_query_parameter_collection_format
+#
+# 
+# 
+# @param ARRAY[string] $pipe  (required)
+# @param ARRAY[string] $ioutil  (required)
+# @param ARRAY[string] $http  (required)
+# @param ARRAY[string] $url  (required)
+# @param ARRAY[string] $context  (required)
+{
+    my $params = {
+    'pipe' => {
+        data_type => 'ARRAY[string]',
+        description => '',
+        required => '1',
+    },
+    'ioutil' => {
+        data_type => 'ARRAY[string]',
+        description => '',
+        required => '1',
+    },
+    'http' => {
+        data_type => 'ARRAY[string]',
+        description => '',
+        required => '1',
+    },
+    'url' => {
+        data_type => 'ARRAY[string]',
+        description => '',
+        required => '1',
+    },
+    'context' => {
+        data_type => 'ARRAY[string]',
+        description => '',
+        required => '1',
+    },
+    };
+    __PACKAGE__->method_documentation->{ 'test_query_parameter_collection_format' } = { 
+        summary => '',
+        params => $params,
+        returns => undef,
+        };
+}
+# @return void
+#
+sub test_query_parameter_collection_format {
+    my ($self, %args) = @_;
+
+    # verify the required parameter 'pipe' is set
+    unless (exists $args{'pipe'}) {
+      croak("Missing the required parameter 'pipe' when calling test_query_parameter_collection_format");
+    }
+
+    # verify the required parameter 'ioutil' is set
+    unless (exists $args{'ioutil'}) {
+      croak("Missing the required parameter 'ioutil' when calling test_query_parameter_collection_format");
+    }
+
+    # verify the required parameter 'http' is set
+    unless (exists $args{'http'}) {
+      croak("Missing the required parameter 'http' when calling test_query_parameter_collection_format");
+    }
+
+    # verify the required parameter 'url' is set
+    unless (exists $args{'url'}) {
+      croak("Missing the required parameter 'url' when calling test_query_parameter_collection_format");
+    }
+
+    # verify the required parameter 'context' is set
+    unless (exists $args{'context'}) {
+      croak("Missing the required parameter 'context' when calling test_query_parameter_collection_format");
+    }
+
+    # parse inputs
+    my $_resource_path = '/fake/test-query-paramters';
+
+    my $_method = 'PUT';
+    my $query_params = {};
+    my $header_params = {};
+    my $form_params = {};
+
+    # 'Accept' and 'Content-Type' header
+    my $_header_accept = $self->{api_client}->select_header_accept();
+    if ($_header_accept) {
+        $header_params->{'Accept'} = $_header_accept;
+    }
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+
+    # query params
+    if ( exists $args{'pipe'}) {
+        $query_params->{'pipe'} = $self->{api_client}->to_query_value($args{'pipe'});
+    }
+
+    # query params
+    if ( exists $args{'ioutil'}) {
+        $query_params->{'ioutil'} = $self->{api_client}->to_query_value($args{'ioutil'});
+    }
+
+    # query params
+    if ( exists $args{'http'}) {
+        $query_params->{'http'} = $self->{api_client}->to_query_value($args{'http'});
+    }
+
+    # query params
+    if ( exists $args{'url'}) {
+        $query_params->{'url'} = $self->{api_client}->to_query_value($args{'url'});
+    }
+
+    # query params
+    if ( exists $args{'context'}) {
+        $query_params->{'context'} = $self->{api_client}->to_query_value($args{'context'});
+    }
+
+    my $_body_data;
+    # authentication setting, if any
+    my $auth_settings = [qw()];
+
+    # make the API Call
+    $self->{api_client}->call_api($_resource_path, $_method,
+                                           $query_params, $form_params,
+                                           $header_params, $_body_data, $auth_settings);
+    return;
+}
+
 1;