diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/AdditionalPropertiesClass.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/AdditionalPropertiesClass.md
index ffab911c1be..f9e189355cf 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/AdditionalPropertiesClass.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/AdditionalPropertiesClass.md
@@ -7,13 +7,13 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **mapString** | **Map<String, String>** |  |  [optional]
-**mapNumber** | [**Map<String, BigDecimal>**](BigDecimal.md) |  |  [optional]
+**mapNumber** | **Map<String, BigDecimal>** |  |  [optional]
 **mapInteger** | **Map<String, Integer>** |  |  [optional]
 **mapBoolean** | **Map<String, Boolean>** |  |  [optional]
-**mapArrayInteger** | [**Map<String, List<Integer>>**](List.md) |  |  [optional]
-**mapArrayAnytype** | [**Map<String, List<Object>>**](List.md) |  |  [optional]
-**mapMapString** | [**Map<String, Map<String, String>>**](Map.md) |  |  [optional]
-**mapMapAnytype** | [**Map<String, Map<String, Object>>**](Map.md) |  |  [optional]
+**mapArrayInteger** | **Map<String, List<Integer>>** |  |  [optional]
+**mapArrayAnytype** | **Map<String, List<Object>>** |  |  [optional]
+**mapMapString** | **Map<String, Map<String, String>>** |  |  [optional]
+**mapMapAnytype** | **Map<String, Map<String, Object>>** |  |  [optional]
 **anytype1** | **Object** |  |  [optional]
 **anytype2** | **Object** |  |  [optional]
 **anytype3** | **Object** |  |  [optional]
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayOfArrayOfNumberOnly.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayOfArrayOfNumberOnly.md
index a48aa23e78e..e1a0e54c0b5 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayOfArrayOfNumberOnly.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayOfArrayOfNumberOnly.md
@@ -6,7 +6,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**arrayArrayNumber** | [**List<List<BigDecimal>>**](List.md) |  |  [optional]
+**arrayArrayNumber** | **List<List<BigDecimal>>** |  |  [optional]
 
 
 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayOfNumberOnly.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayOfNumberOnly.md
index fa2909211a0..25670a603c4 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayOfNumberOnly.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayOfNumberOnly.md
@@ -6,7 +6,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**arrayNumber** | [**List<BigDecimal>**](BigDecimal.md) |  |  [optional]
+**arrayNumber** | **List<BigDecimal>** |  |  [optional]
 
 
 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayTest.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayTest.md
index 9ad1c9814a5..7c6f6245ac8 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayTest.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/ArrayTest.md
@@ -7,8 +7,8 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **arrayOfString** | **List<String>** |  |  [optional]
-**arrayArrayOfInteger** | [**List<List<Long>>**](List.md) |  |  [optional]
-**arrayArrayOfModel** | [**List<List<ReadOnlyFirst>>**](List.md) |  |  [optional]
+**arrayArrayOfInteger** | **List<List<Long>>** |  |  [optional]
+**arrayArrayOfModel** | **List<List<ReadOnlyFirst>>** |  |  [optional]
 
 
 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/EnumTest.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/EnumTest.md
index 61eb95f22fe..e066d77e5b0 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/EnumTest.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/EnumTest.md
@@ -10,7 +10,7 @@ Name | Type | Description | Notes
 **enumStringRequired** | [**EnumStringRequiredEnum**](#EnumStringRequiredEnum) |  | 
 **enumInteger** | [**EnumIntegerEnum**](#EnumIntegerEnum) |  |  [optional]
 **enumNumber** | [**EnumNumberEnum**](#EnumNumberEnum) |  |  [optional]
-**outerEnum** | [**OuterEnum**](OuterEnum.md) |  |  [optional]
+**outerEnum** | **OuterEnum** |  |  [optional]
 
 
 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/FakeApi.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/FakeApi.md
index b8c2112acb8..e1daf9b0e7f 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/FakeApi.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/FakeApi.md
@@ -228,7 +228,7 @@ public class Example {
     defaultClient.setBasePath("http://petstore.swagger.io:80/v2");
 
     FakeApi apiInstance = new FakeApi(defaultClient);
-    BigDecimal body = new BigDecimal(); // BigDecimal | Input number as post body
+    BigDecimal body = new BigDecimal(78); // BigDecimal | Input number as post body
     try {
       BigDecimal result = apiInstance.fakeOuterNumberSerialize(body);
       System.out.println(result);
@@ -542,7 +542,7 @@ public class Example {
     http_basic_test.setPassword("YOUR PASSWORD");
 
     FakeApi apiInstance = new FakeApi(defaultClient);
-    BigDecimal number = new BigDecimal(); // BigDecimal | None
+    BigDecimal number = new BigDecimal(78); // BigDecimal | None
     Double _double = 3.4D; // Double | None
     String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
     byte[] _byte = null; // byte[] | None
@@ -553,7 +553,7 @@ public class Example {
     String string = "string_example"; // String | None
     File binary = new File("/path/to/file"); // File | None
     LocalDate date = new LocalDate(); // LocalDate | None
-    OffsetDateTime dateTime = new OffsetDateTime(); // OffsetDateTime | None
+    OffsetDateTime dateTime = OffsetDateTime.now(); // OffsetDateTime | None
     String password = "password_example"; // String | None
     String paramCallback = "paramCallback_example"; // String | None
     try {
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/FormatTest.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/FormatTest.md
index d138e921902..60fa4300013 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/FormatTest.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/FormatTest.md
@@ -9,17 +9,17 @@ Name | Type | Description | Notes
 **integer** | **Integer** |  |  [optional]
 **int32** | **Integer** |  |  [optional]
 **int64** | **Long** |  |  [optional]
-**number** | [**BigDecimal**](BigDecimal.md) |  | 
+**number** | **BigDecimal** |  | 
 **_float** | **Float** |  |  [optional]
 **_double** | **Double** |  |  [optional]
 **string** | **String** |  |  [optional]
 **_byte** | **byte[]** |  | 
-**binary** | [**File**](File.md) |  |  [optional]
-**date** | [**LocalDate**](LocalDate.md) |  | 
-**dateTime** | [**OffsetDateTime**](OffsetDateTime.md) |  |  [optional]
-**uuid** | [**UUID**](UUID.md) |  |  [optional]
+**binary** | **File** |  |  [optional]
+**date** | **LocalDate** |  | 
+**dateTime** | **OffsetDateTime** |  |  [optional]
+**uuid** | **UUID** |  |  [optional]
 **password** | **String** |  | 
-**bigDecimal** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+**bigDecimal** | **BigDecimal** |  |  [optional]
 
 
 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/MapTest.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/MapTest.md
index c35c3cf2c0b..9c3aeb6495c 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/MapTest.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/MapTest.md
@@ -6,7 +6,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**mapMapOfString** | [**Map<String, Map<String, String>>**](Map.md) |  |  [optional]
+**mapMapOfString** | **Map<String, Map<String, String>>** |  |  [optional]
 **mapOfEnumString** | [**Map<String, InnerEnum>**](#Map<String, InnerEnum>) |  |  [optional]
 **directMap** | **Map<String, Boolean>** |  |  [optional]
 **indirectMap** | **Map<String, Boolean>** |  |  [optional]
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/MixedPropertiesAndAdditionalPropertiesClass.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/MixedPropertiesAndAdditionalPropertiesClass.md
index 3dc283ae493..52d10b2cc7a 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/MixedPropertiesAndAdditionalPropertiesClass.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/MixedPropertiesAndAdditionalPropertiesClass.md
@@ -6,8 +6,8 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**uuid** | [**UUID**](UUID.md) |  |  [optional]
-**dateTime** | [**OffsetDateTime**](OffsetDateTime.md) |  |  [optional]
+**uuid** | **UUID** |  |  [optional]
+**dateTime** | **OffsetDateTime** |  |  [optional]
 **map** | [**Map<String, Animal>**](Animal.md) |  |  [optional]
 
 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/NumberOnly.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/NumberOnly.md
index 1c12b6adf3b..4b9d048546c 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/NumberOnly.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/NumberOnly.md
@@ -6,7 +6,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**justNumber** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+**justNumber** | **BigDecimal** |  |  [optional]
 
 
 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/Order.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/Order.md
index 409fc4cc961..30782d6ae77 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/Order.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/Order.md
@@ -9,7 +9,7 @@ Name | Type | Description | Notes
 **id** | **Long** |  |  [optional]
 **petId** | **Long** |  |  [optional]
 **quantity** | **Integer** |  |  [optional]
-**shipDate** | [**OffsetDateTime**](OffsetDateTime.md) |  |  [optional]
+**shipDate** | **OffsetDateTime** |  |  [optional]
 **status** | [**StatusEnum**](#StatusEnum) | Order Status |  [optional]
 **complete** | **Boolean** |  |  [optional]
 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/OuterComposite.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/OuterComposite.md
index e0629221884..594951145a3 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/OuterComposite.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/OuterComposite.md
@@ -6,7 +6,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**myNumber** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+**myNumber** | **BigDecimal** |  |  [optional]
 **myString** | **String** |  |  [optional]
 **myBoolean** | **Boolean** |  |  [optional]
 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/TypeHolderDefault.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/TypeHolderDefault.md
index a338fc900cb..e28c7a9df58 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/TypeHolderDefault.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/TypeHolderDefault.md
@@ -7,7 +7,7 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **stringItem** | **String** |  | 
-**numberItem** | [**BigDecimal**](BigDecimal.md) |  | 
+**numberItem** | **BigDecimal** |  | 
 **integerItem** | **Integer** |  | 
 **boolItem** | **Boolean** |  | 
 **arrayItem** | **List<Integer>** |  | 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/TypeHolderExample.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/TypeHolderExample.md
index f8858da6066..96f0d4bebf4 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/TypeHolderExample.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/TypeHolderExample.md
@@ -7,7 +7,7 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **stringItem** | **String** |  | 
-**numberItem** | [**BigDecimal**](BigDecimal.md) |  | 
+**numberItem** | **BigDecimal** |  | 
 **floatItem** | **Float** |  | 
 **integerItem** | **Integer** |  | 
 **boolItem** | **Boolean** |  | 
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/XmlItem.md b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/XmlItem.md
index 6065fd1f4e5..096fdc7b09a 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/XmlItem.md
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/docs/XmlItem.md
@@ -7,30 +7,30 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **attributeString** | **String** |  |  [optional]
-**attributeNumber** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+**attributeNumber** | **BigDecimal** |  |  [optional]
 **attributeInteger** | **Integer** |  |  [optional]
 **attributeBoolean** | **Boolean** |  |  [optional]
 **wrappedArray** | **List<Integer>** |  |  [optional]
 **nameString** | **String** |  |  [optional]
-**nameNumber** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+**nameNumber** | **BigDecimal** |  |  [optional]
 **nameInteger** | **Integer** |  |  [optional]
 **nameBoolean** | **Boolean** |  |  [optional]
 **nameArray** | **List<Integer>** |  |  [optional]
 **nameWrappedArray** | **List<Integer>** |  |  [optional]
 **prefixString** | **String** |  |  [optional]
-**prefixNumber** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+**prefixNumber** | **BigDecimal** |  |  [optional]
 **prefixInteger** | **Integer** |  |  [optional]
 **prefixBoolean** | **Boolean** |  |  [optional]
 **prefixArray** | **List<Integer>** |  |  [optional]
 **prefixWrappedArray** | **List<Integer>** |  |  [optional]
 **namespaceString** | **String** |  |  [optional]
-**namespaceNumber** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+**namespaceNumber** | **BigDecimal** |  |  [optional]
 **namespaceInteger** | **Integer** |  |  [optional]
 **namespaceBoolean** | **Boolean** |  |  [optional]
 **namespaceArray** | **List<Integer>** |  |  [optional]
 **namespaceWrappedArray** | **List<Integer>** |  |  [optional]
 **prefixNsString** | **String** |  |  [optional]
-**prefixNsNumber** | [**BigDecimal**](BigDecimal.md) |  |  [optional]
+**prefixNsNumber** | **BigDecimal** |  |  [optional]
 **prefixNsInteger** | **Integer** |  |  [optional]
 **prefixNsBoolean** | **Boolean** |  |  [optional]
 **prefixNsArray** | **List<Integer>** |  |  [optional]
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradle/wrapper/gradle-wrapper.jar b/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradle/wrapper/gradle-wrapper.jar
index cc4fdc293d0..e708b1c023e 100644
Binary files a/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradle/wrapper/gradle-wrapper.jar and b/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradle/wrapper/gradle-wrapper.properties b/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradle/wrapper/gradle-wrapper.properties
index 94920145f34..4d9ca164914 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradle/wrapper/gradle-wrapper.properties
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradlew b/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradlew
index 2fe81a7d95e..4f906e0c811 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradlew
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradlew.bat b/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradlew.bat
index 9618d8d9607..107acd32c4e 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradlew.bat
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/gradlew.bat
@@ -29,6 +29,9 @@ if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
 
@@ -37,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
+if "%ERRORLEVEL%" == "0" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -51,7 +54,7 @@ goto fail
 set JAVA_HOME=%JAVA_HOME:"=%
 set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
-if exist "%JAVA_EXE%" goto init
+if exist "%JAVA_EXE%" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
@@ -61,28 +64,14 @@ echo location of your Java installation.
 
 goto fail
 
-:init
-@rem Get command-line arguments, handling Windows variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-
 :execute
 @rem Setup the command line
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
 
 :end
 @rem End local scope for the variables with windows NT shell
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/resources/openapi/openapi.yaml b/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/resources/openapi/openapi.yaml
index 00cc0f2f4c2..0b3ef3a11c9 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/resources/openapi/openapi.yaml
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/resources/openapi/openapi.yaml
@@ -2187,4 +2187,5 @@ components:
     http_basic_test:
       scheme: basic
       type: http
+x-original-swagger-version: "2.0"