diff --git a/modules/openapi-generator-cli/pom.xml b/modules/openapi-generator-cli/pom.xml
index 380bfee8f3..9994a1d0b5 100644
--- a/modules/openapi-generator-cli/pom.xml
+++ b/modules/openapi-generator-cli/pom.xml
@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>4.1.1-SNAPSHOT</version>
+        <version>4.2.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/modules/openapi-generator-core/pom.xml b/modules/openapi-generator-core/pom.xml
index 930400f3b2..a44a089e34 100644
--- a/modules/openapi-generator-core/pom.xml
+++ b/modules/openapi-generator-core/pom.xml
@@ -6,7 +6,7 @@
     <artifactId>openapi-generator-project</artifactId>
     <groupId>org.openapitools</groupId>
     <!-- RELEASE_VERSION -->
-    <version>4.1.1-SNAPSHOT</version>
+    <version>4.2.0-SNAPSHOT</version>
     <!-- /RELEASE_VERSION -->
     <relativePath>../..</relativePath>
   </parent>
diff --git a/modules/openapi-generator-gradle-plugin/gradle.properties b/modules/openapi-generator-gradle-plugin/gradle.properties
index a4deb47d1a..eb80c214f9 100644
--- a/modules/openapi-generator-gradle-plugin/gradle.properties
+++ b/modules/openapi-generator-gradle-plugin/gradle.properties
@@ -1,5 +1,5 @@
 # RELEASE_VERSION
-openApiGeneratorVersion=4.1.1-SNAPSHOT
+openApiGeneratorVersion=4.2.0-SNAPSHOT
 # /RELEASE_VERSION
 
 # BEGIN placeholders
diff --git a/modules/openapi-generator-gradle-plugin/pom.xml b/modules/openapi-generator-gradle-plugin/pom.xml
index e2448112d5..ec6ee32b4b 100644
--- a/modules/openapi-generator-gradle-plugin/pom.xml
+++ b/modules/openapi-generator-gradle-plugin/pom.xml
@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>4.1.1-SNAPSHOT</version>
+        <version>4.2.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/modules/openapi-generator-maven-plugin/pom.xml b/modules/openapi-generator-maven-plugin/pom.xml
index 9fc0a05b10..f1cb047835 100644
--- a/modules/openapi-generator-maven-plugin/pom.xml
+++ b/modules/openapi-generator-maven-plugin/pom.xml
@@ -5,7 +5,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>4.1.1-SNAPSHOT</version>
+        <version>4.2.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/modules/openapi-generator-online/pom.xml b/modules/openapi-generator-online/pom.xml
index 391574c24d..69dc3216ac 100644
--- a/modules/openapi-generator-online/pom.xml
+++ b/modules/openapi-generator-online/pom.xml
@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>4.1.1-SNAPSHOT</version>
+        <version>4.2.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/modules/openapi-generator/pom.xml b/modules/openapi-generator/pom.xml
index e417dad64c..189b8b35fd 100644
--- a/modules/openapi-generator/pom.xml
+++ b/modules/openapi-generator/pom.xml
@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>4.1.1-SNAPSHOT</version>
+        <version>4.2.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/pom.xml b/pom.xml
index 95bc5ec705..a3ee4b7515 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
     <packaging>pom</packaging>
     <name>openapi-generator-project</name>
     <!-- RELEASE_VERSION -->
-    <version>4.1.1-SNAPSHOT</version>
+    <version>4.2.0-SNAPSHOT</version>
     <!-- /RELEASE_VERSION -->
     <url>https://github.com/openapitools/openapi-generator</url>
     <scm>
diff --git a/samples/client/petstore/R/.openapi-generator/VERSION b/samples/client/petstore/R/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/R/.openapi-generator/VERSION
+++ b/samples/client/petstore/R/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/apex/.openapi-generator/VERSION b/samples/client/petstore/apex/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/apex/.openapi-generator/VERSION
+++ b/samples/client/petstore/apex/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClient/.openapi-generator/VERSION b/samples/client/petstore/csharp-netcore/OpenAPIClient/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClient/.openapi-generator/VERSION
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClient/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/.openapi-generator/VERSION b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/csharp-netcore/OpenAPIClientCore/.openapi-generator/VERSION
+++ b/samples/client/petstore/csharp-netcore/OpenAPIClientCore/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/csharp/OpenAPIClient/.openapi-generator/VERSION b/samples/client/petstore/csharp/OpenAPIClient/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/csharp/OpenAPIClient/.openapi-generator/VERSION
+++ b/samples/client/petstore/csharp/OpenAPIClient/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/elixir/.openapi-generator/VERSION b/samples/client/petstore/elixir/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/elixir/.openapi-generator/VERSION
+++ b/samples/client/petstore/elixir/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/go/go-petstore-withXml/.openapi-generator/VERSION b/samples/client/petstore/go/go-petstore-withXml/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/go/go-petstore-withXml/.openapi-generator/VERSION
+++ b/samples/client/petstore/go/go-petstore-withXml/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/go/go-petstore/.openapi-generator/VERSION b/samples/client/petstore/go/go-petstore/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/go/go-petstore/.openapi-generator/VERSION
+++ b/samples/client/petstore/go/go-petstore/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/groovy/.openapi-generator/VERSION b/samples/client/petstore/groovy/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/groovy/.openapi-generator/VERSION
+++ b/samples/client/petstore/groovy/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/haskell-http-client/.openapi-generator/VERSION b/samples/client/petstore/haskell-http-client/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/haskell-http-client/.openapi-generator/VERSION
+++ b/samples/client/petstore/haskell-http-client/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/feign/.openapi-generator/VERSION b/samples/client/petstore/java/feign/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/feign/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/feign/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/feign10x/.openapi-generator/VERSION b/samples/client/petstore/java/feign10x/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/feign10x/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/feign10x/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/google-api-client/.openapi-generator/VERSION b/samples/client/petstore/java/google-api-client/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/google-api-client/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/google-api-client/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/jersey1/.openapi-generator/VERSION b/samples/client/petstore/java/jersey1/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/jersey1/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/jersey1/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/jersey2-java6/.openapi-generator/VERSION b/samples/client/petstore/java/jersey2-java6/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/jersey2-java6/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/jersey2-java6/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/jersey2-java8/.openapi-generator/VERSION b/samples/client/petstore/java/jersey2-java8/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/jersey2-java8/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/jersey2-java8/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/jersey2/.openapi-generator/VERSION b/samples/client/petstore/java/jersey2/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/jersey2/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/jersey2/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/native/.openapi-generator/VERSION b/samples/client/petstore/java/native/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/native/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/native/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/okhttp-gson-parcelableModel/.openapi-generator/VERSION b/samples/client/petstore/java/okhttp-gson-parcelableModel/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/okhttp-gson-parcelableModel/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/okhttp-gson-parcelableModel/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/okhttp-gson/.openapi-generator/VERSION b/samples/client/petstore/java/okhttp-gson/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/okhttp-gson/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/okhttp-gson/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/rest-assured/.openapi-generator/VERSION b/samples/client/petstore/java/rest-assured/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/rest-assured/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/rest-assured/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/resteasy/.openapi-generator/VERSION b/samples/client/petstore/java/resteasy/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/resteasy/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/resteasy/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/resttemplate-withXml/.openapi-generator/VERSION b/samples/client/petstore/java/resttemplate-withXml/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/resttemplate-withXml/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/resttemplate-withXml/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/resttemplate/.openapi-generator/VERSION b/samples/client/petstore/java/resttemplate/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/resttemplate/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/resttemplate/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/retrofit/.openapi-generator/VERSION b/samples/client/petstore/java/retrofit/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/retrofit/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/retrofit/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/retrofit2-play24/.openapi-generator/VERSION b/samples/client/petstore/java/retrofit2-play24/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/retrofit2-play24/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/retrofit2-play24/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/retrofit2-play25/.openapi-generator/VERSION b/samples/client/petstore/java/retrofit2-play25/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/retrofit2-play25/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/retrofit2-play25/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION b/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/retrofit2/.openapi-generator/VERSION b/samples/client/petstore/java/retrofit2/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/retrofit2/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/retrofit2/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/retrofit2rx/.openapi-generator/VERSION b/samples/client/petstore/java/retrofit2rx/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/retrofit2rx/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/retrofit2rx/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/retrofit2rx2/.openapi-generator/VERSION b/samples/client/petstore/java/retrofit2rx2/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/retrofit2rx2/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/retrofit2rx2/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/vertx/.openapi-generator/VERSION b/samples/client/petstore/java/vertx/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/vertx/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/vertx/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/java/webclient/.openapi-generator/VERSION b/samples/client/petstore/java/webclient/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/java/webclient/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/webclient/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/javascript-es6/.openapi-generator/VERSION b/samples/client/petstore/javascript-es6/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/javascript-es6/.openapi-generator/VERSION
+++ b/samples/client/petstore/javascript-es6/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/javascript-promise-es6/.openapi-generator/VERSION b/samples/client/petstore/javascript-promise-es6/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/javascript-promise-es6/.openapi-generator/VERSION
+++ b/samples/client/petstore/javascript-promise-es6/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/javascript-promise/.openapi-generator/VERSION b/samples/client/petstore/javascript-promise/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/javascript-promise/.openapi-generator/VERSION
+++ b/samples/client/petstore/javascript-promise/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/javascript-promise/src/ApiClient.js b/samples/client/petstore/javascript-promise/src/ApiClient.js
index 1734d524fb..8ceab82902 100644
--- a/samples/client/petstore/javascript-promise/src/ApiClient.js
+++ b/samples/client/petstore/javascript-promise/src/ApiClient.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/api/AnotherFakeApi.js b/samples/client/petstore/javascript-promise/src/api/AnotherFakeApi.js
index a7f790440a..5fbadbd951 100644
--- a/samples/client/petstore/javascript-promise/src/api/AnotherFakeApi.js
+++ b/samples/client/petstore/javascript-promise/src/api/AnotherFakeApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/api/FakeApi.js b/samples/client/petstore/javascript-promise/src/api/FakeApi.js
index d5a4c35345..a3b1728cd9 100644
--- a/samples/client/petstore/javascript-promise/src/api/FakeApi.js
+++ b/samples/client/petstore/javascript-promise/src/api/FakeApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/api/FakeClassnameTags123Api.js b/samples/client/petstore/javascript-promise/src/api/FakeClassnameTags123Api.js
index 19561a368b..ed619faaaf 100644
--- a/samples/client/petstore/javascript-promise/src/api/FakeClassnameTags123Api.js
+++ b/samples/client/petstore/javascript-promise/src/api/FakeClassnameTags123Api.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/api/PetApi.js b/samples/client/petstore/javascript-promise/src/api/PetApi.js
index e38d94bbac..ef88bc2867 100644
--- a/samples/client/petstore/javascript-promise/src/api/PetApi.js
+++ b/samples/client/petstore/javascript-promise/src/api/PetApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/api/StoreApi.js b/samples/client/petstore/javascript-promise/src/api/StoreApi.js
index 8301399541..a0c9d26760 100644
--- a/samples/client/petstore/javascript-promise/src/api/StoreApi.js
+++ b/samples/client/petstore/javascript-promise/src/api/StoreApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/api/UserApi.js b/samples/client/petstore/javascript-promise/src/api/UserApi.js
index 53eb96980c..b99a9f0ff5 100644
--- a/samples/client/petstore/javascript-promise/src/api/UserApi.js
+++ b/samples/client/petstore/javascript-promise/src/api/UserApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/index.js b/samples/client/petstore/javascript-promise/src/index.js
index a92a4ab5a2..08ef76e396 100644
--- a/samples/client/petstore/javascript-promise/src/index.js
+++ b/samples/client/petstore/javascript-promise/src/index.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesAnyType.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesAnyType.js
index f6bd364080..0bf77f5778 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesAnyType.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesAnyType.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesArray.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesArray.js
index d36ecc495e..25d303da03 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesArray.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesArray.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesBoolean.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesBoolean.js
index 7d06333620..e2beb4db65 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesBoolean.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesBoolean.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesClass.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesClass.js
index 37161bd8c3..2813e54a4b 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesInteger.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesInteger.js
index d9e860e647..e7164197a4 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesInteger.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesInteger.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesNumber.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesNumber.js
index f299469e45..f396908837 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesNumber.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesNumber.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesObject.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesObject.js
index 49f7aef8b3..4a9b0ef82e 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesObject.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesObject.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesString.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesString.js
index 68a58595cb..8e685ad794 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesString.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesString.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Animal.js b/samples/client/petstore/javascript-promise/src/model/Animal.js
index 0c4edc9a38..b017e7f3ea 100644
--- a/samples/client/petstore/javascript-promise/src/model/Animal.js
+++ b/samples/client/petstore/javascript-promise/src/model/Animal.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/ApiResponse.js b/samples/client/petstore/javascript-promise/src/model/ApiResponse.js
index efd7fdf421..c57bf079d6 100644
--- a/samples/client/petstore/javascript-promise/src/model/ApiResponse.js
+++ b/samples/client/petstore/javascript-promise/src/model/ApiResponse.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/ArrayOfArrayOfNumberOnly.js b/samples/client/petstore/javascript-promise/src/model/ArrayOfArrayOfNumberOnly.js
index fdf87fde4e..4f9917fd3a 100644
--- a/samples/client/petstore/javascript-promise/src/model/ArrayOfArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript-promise/src/model/ArrayOfArrayOfNumberOnly.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/ArrayOfNumberOnly.js b/samples/client/petstore/javascript-promise/src/model/ArrayOfNumberOnly.js
index 2b24c19bfe..821ea6bf79 100644
--- a/samples/client/petstore/javascript-promise/src/model/ArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript-promise/src/model/ArrayOfNumberOnly.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/ArrayTest.js b/samples/client/petstore/javascript-promise/src/model/ArrayTest.js
index 60600762ce..a2b78d0501 100644
--- a/samples/client/petstore/javascript-promise/src/model/ArrayTest.js
+++ b/samples/client/petstore/javascript-promise/src/model/ArrayTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Capitalization.js b/samples/client/petstore/javascript-promise/src/model/Capitalization.js
index bdba5b0cc3..a41a5373dd 100644
--- a/samples/client/petstore/javascript-promise/src/model/Capitalization.js
+++ b/samples/client/petstore/javascript-promise/src/model/Capitalization.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Cat.js b/samples/client/petstore/javascript-promise/src/model/Cat.js
index f5f9ebf49a..88cc86b5ce 100644
--- a/samples/client/petstore/javascript-promise/src/model/Cat.js
+++ b/samples/client/petstore/javascript-promise/src/model/Cat.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/CatAllOf.js b/samples/client/petstore/javascript-promise/src/model/CatAllOf.js
index b64eee29e1..09a00c6b21 100644
--- a/samples/client/petstore/javascript-promise/src/model/CatAllOf.js
+++ b/samples/client/petstore/javascript-promise/src/model/CatAllOf.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Category.js b/samples/client/petstore/javascript-promise/src/model/Category.js
index a8fa9b082f..f5cc9d32c3 100644
--- a/samples/client/petstore/javascript-promise/src/model/Category.js
+++ b/samples/client/petstore/javascript-promise/src/model/Category.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/ClassModel.js b/samples/client/petstore/javascript-promise/src/model/ClassModel.js
index 13e05a6f36..4ce4fe42d5 100644
--- a/samples/client/petstore/javascript-promise/src/model/ClassModel.js
+++ b/samples/client/petstore/javascript-promise/src/model/ClassModel.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Client.js b/samples/client/petstore/javascript-promise/src/model/Client.js
index aa4ca0493f..47000e6f0c 100644
--- a/samples/client/petstore/javascript-promise/src/model/Client.js
+++ b/samples/client/petstore/javascript-promise/src/model/Client.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Dog.js b/samples/client/petstore/javascript-promise/src/model/Dog.js
index 138d5d13fb..0d2d6c432d 100644
--- a/samples/client/petstore/javascript-promise/src/model/Dog.js
+++ b/samples/client/petstore/javascript-promise/src/model/Dog.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/DogAllOf.js b/samples/client/petstore/javascript-promise/src/model/DogAllOf.js
index 5d6a9a1072..d9157867d4 100644
--- a/samples/client/petstore/javascript-promise/src/model/DogAllOf.js
+++ b/samples/client/petstore/javascript-promise/src/model/DogAllOf.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/EnumArrays.js b/samples/client/petstore/javascript-promise/src/model/EnumArrays.js
index 8580dfd308..5a3d166ec6 100644
--- a/samples/client/petstore/javascript-promise/src/model/EnumArrays.js
+++ b/samples/client/petstore/javascript-promise/src/model/EnumArrays.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/EnumClass.js b/samples/client/petstore/javascript-promise/src/model/EnumClass.js
index 9c335fdfbb..a17ee90077 100644
--- a/samples/client/petstore/javascript-promise/src/model/EnumClass.js
+++ b/samples/client/petstore/javascript-promise/src/model/EnumClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/EnumTest.js b/samples/client/petstore/javascript-promise/src/model/EnumTest.js
index 038926ccdb..2d993f9e68 100644
--- a/samples/client/petstore/javascript-promise/src/model/EnumTest.js
+++ b/samples/client/petstore/javascript-promise/src/model/EnumTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/File.js b/samples/client/petstore/javascript-promise/src/model/File.js
index 8042cfad4b..f6455a933d 100644
--- a/samples/client/petstore/javascript-promise/src/model/File.js
+++ b/samples/client/petstore/javascript-promise/src/model/File.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/FileSchemaTestClass.js b/samples/client/petstore/javascript-promise/src/model/FileSchemaTestClass.js
index e29880db9a..2f7a72e03a 100644
--- a/samples/client/petstore/javascript-promise/src/model/FileSchemaTestClass.js
+++ b/samples/client/petstore/javascript-promise/src/model/FileSchemaTestClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/FormatTest.js b/samples/client/petstore/javascript-promise/src/model/FormatTest.js
index 5772988329..5c0304d6d4 100644
--- a/samples/client/petstore/javascript-promise/src/model/FormatTest.js
+++ b/samples/client/petstore/javascript-promise/src/model/FormatTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/HasOnlyReadOnly.js b/samples/client/petstore/javascript-promise/src/model/HasOnlyReadOnly.js
index 3fe20b3023..2df9454f0e 100644
--- a/samples/client/petstore/javascript-promise/src/model/HasOnlyReadOnly.js
+++ b/samples/client/petstore/javascript-promise/src/model/HasOnlyReadOnly.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/List.js b/samples/client/petstore/javascript-promise/src/model/List.js
index 7aa7547884..9936619f93 100644
--- a/samples/client/petstore/javascript-promise/src/model/List.js
+++ b/samples/client/petstore/javascript-promise/src/model/List.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/MapTest.js b/samples/client/petstore/javascript-promise/src/model/MapTest.js
index d04243f15d..f8337f5c4a 100644
--- a/samples/client/petstore/javascript-promise/src/model/MapTest.js
+++ b/samples/client/petstore/javascript-promise/src/model/MapTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/MixedPropertiesAndAdditionalPropertiesClass.js b/samples/client/petstore/javascript-promise/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
index c5461ad547..3cee3ee0e6 100644
--- a/samples/client/petstore/javascript-promise/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript-promise/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Model200Response.js b/samples/client/petstore/javascript-promise/src/model/Model200Response.js
index 078f612468..c980b96bb9 100644
--- a/samples/client/petstore/javascript-promise/src/model/Model200Response.js
+++ b/samples/client/petstore/javascript-promise/src/model/Model200Response.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/ModelReturn.js b/samples/client/petstore/javascript-promise/src/model/ModelReturn.js
index f2c210aeb0..89a0620c27 100644
--- a/samples/client/petstore/javascript-promise/src/model/ModelReturn.js
+++ b/samples/client/petstore/javascript-promise/src/model/ModelReturn.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Name.js b/samples/client/petstore/javascript-promise/src/model/Name.js
index 8e2caf658e..6dae98a459 100644
--- a/samples/client/petstore/javascript-promise/src/model/Name.js
+++ b/samples/client/petstore/javascript-promise/src/model/Name.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/NumberOnly.js b/samples/client/petstore/javascript-promise/src/model/NumberOnly.js
index 3d99a05381..a17fddd047 100644
--- a/samples/client/petstore/javascript-promise/src/model/NumberOnly.js
+++ b/samples/client/petstore/javascript-promise/src/model/NumberOnly.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Order.js b/samples/client/petstore/javascript-promise/src/model/Order.js
index 4b4250c6a7..eab21937f6 100644
--- a/samples/client/petstore/javascript-promise/src/model/Order.js
+++ b/samples/client/petstore/javascript-promise/src/model/Order.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/OuterComposite.js b/samples/client/petstore/javascript-promise/src/model/OuterComposite.js
index 99e0a5c5d9..d188e82444 100644
--- a/samples/client/petstore/javascript-promise/src/model/OuterComposite.js
+++ b/samples/client/petstore/javascript-promise/src/model/OuterComposite.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/OuterEnum.js b/samples/client/petstore/javascript-promise/src/model/OuterEnum.js
index 03931bc723..6153e467d1 100644
--- a/samples/client/petstore/javascript-promise/src/model/OuterEnum.js
+++ b/samples/client/petstore/javascript-promise/src/model/OuterEnum.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Pet.js b/samples/client/petstore/javascript-promise/src/model/Pet.js
index 0c1fdcd196..148254bcbc 100644
--- a/samples/client/petstore/javascript-promise/src/model/Pet.js
+++ b/samples/client/petstore/javascript-promise/src/model/Pet.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/ReadOnlyFirst.js b/samples/client/petstore/javascript-promise/src/model/ReadOnlyFirst.js
index 72c17a9f3e..896fb6484d 100644
--- a/samples/client/petstore/javascript-promise/src/model/ReadOnlyFirst.js
+++ b/samples/client/petstore/javascript-promise/src/model/ReadOnlyFirst.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/SpecialModelName.js b/samples/client/petstore/javascript-promise/src/model/SpecialModelName.js
index f1fc92e8f3..076020ccc8 100644
--- a/samples/client/petstore/javascript-promise/src/model/SpecialModelName.js
+++ b/samples/client/petstore/javascript-promise/src/model/SpecialModelName.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/Tag.js b/samples/client/petstore/javascript-promise/src/model/Tag.js
index 953b2938d3..c7a037dde4 100644
--- a/samples/client/petstore/javascript-promise/src/model/Tag.js
+++ b/samples/client/petstore/javascript-promise/src/model/Tag.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/TypeHolderDefault.js b/samples/client/petstore/javascript-promise/src/model/TypeHolderDefault.js
index 187d7930a9..ec6ff961f7 100644
--- a/samples/client/petstore/javascript-promise/src/model/TypeHolderDefault.js
+++ b/samples/client/petstore/javascript-promise/src/model/TypeHolderDefault.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/TypeHolderExample.js b/samples/client/petstore/javascript-promise/src/model/TypeHolderExample.js
index 504ba75bfc..5d274e4ac2 100644
--- a/samples/client/petstore/javascript-promise/src/model/TypeHolderExample.js
+++ b/samples/client/petstore/javascript-promise/src/model/TypeHolderExample.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/User.js b/samples/client/petstore/javascript-promise/src/model/User.js
index 1cb456b754..3ed29d72d8 100644
--- a/samples/client/petstore/javascript-promise/src/model/User.js
+++ b/samples/client/petstore/javascript-promise/src/model/User.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-promise/src/model/XmlItem.js b/samples/client/petstore/javascript-promise/src/model/XmlItem.js
index 1d3419997f..b21e8851b4 100644
--- a/samples/client/petstore/javascript-promise/src/model/XmlItem.js
+++ b/samples/client/petstore/javascript-promise/src/model/XmlItem.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/.openapi-generator/VERSION b/samples/client/petstore/javascript/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/javascript/.openapi-generator/VERSION
+++ b/samples/client/petstore/javascript/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/javascript/src/ApiClient.js b/samples/client/petstore/javascript/src/ApiClient.js
index e7e8ba7491..cf176f452c 100644
--- a/samples/client/petstore/javascript/src/ApiClient.js
+++ b/samples/client/petstore/javascript/src/ApiClient.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/api/AnotherFakeApi.js b/samples/client/petstore/javascript/src/api/AnotherFakeApi.js
index 6b31599a37..b435a8e512 100644
--- a/samples/client/petstore/javascript/src/api/AnotherFakeApi.js
+++ b/samples/client/petstore/javascript/src/api/AnotherFakeApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/api/FakeApi.js b/samples/client/petstore/javascript/src/api/FakeApi.js
index fc77d90b91..dddcb3eda4 100644
--- a/samples/client/petstore/javascript/src/api/FakeApi.js
+++ b/samples/client/petstore/javascript/src/api/FakeApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/api/FakeClassnameTags123Api.js b/samples/client/petstore/javascript/src/api/FakeClassnameTags123Api.js
index ffa2dc4073..d1783d2e72 100644
--- a/samples/client/petstore/javascript/src/api/FakeClassnameTags123Api.js
+++ b/samples/client/petstore/javascript/src/api/FakeClassnameTags123Api.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/api/PetApi.js b/samples/client/petstore/javascript/src/api/PetApi.js
index 17255a361b..d027031f3c 100644
--- a/samples/client/petstore/javascript/src/api/PetApi.js
+++ b/samples/client/petstore/javascript/src/api/PetApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/api/StoreApi.js b/samples/client/petstore/javascript/src/api/StoreApi.js
index f51e3b64a5..9773f8fdbf 100644
--- a/samples/client/petstore/javascript/src/api/StoreApi.js
+++ b/samples/client/petstore/javascript/src/api/StoreApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/api/UserApi.js b/samples/client/petstore/javascript/src/api/UserApi.js
index 0999e8ab4d..bed6acfd73 100644
--- a/samples/client/petstore/javascript/src/api/UserApi.js
+++ b/samples/client/petstore/javascript/src/api/UserApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/index.js b/samples/client/petstore/javascript/src/index.js
index a92a4ab5a2..08ef76e396 100644
--- a/samples/client/petstore/javascript/src/index.js
+++ b/samples/client/petstore/javascript/src/index.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/AdditionalPropertiesAnyType.js b/samples/client/petstore/javascript/src/model/AdditionalPropertiesAnyType.js
index f6bd364080..0bf77f5778 100644
--- a/samples/client/petstore/javascript/src/model/AdditionalPropertiesAnyType.js
+++ b/samples/client/petstore/javascript/src/model/AdditionalPropertiesAnyType.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/AdditionalPropertiesArray.js b/samples/client/petstore/javascript/src/model/AdditionalPropertiesArray.js
index d36ecc495e..25d303da03 100644
--- a/samples/client/petstore/javascript/src/model/AdditionalPropertiesArray.js
+++ b/samples/client/petstore/javascript/src/model/AdditionalPropertiesArray.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/AdditionalPropertiesBoolean.js b/samples/client/petstore/javascript/src/model/AdditionalPropertiesBoolean.js
index 7d06333620..e2beb4db65 100644
--- a/samples/client/petstore/javascript/src/model/AdditionalPropertiesBoolean.js
+++ b/samples/client/petstore/javascript/src/model/AdditionalPropertiesBoolean.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/AdditionalPropertiesClass.js b/samples/client/petstore/javascript/src/model/AdditionalPropertiesClass.js
index 37161bd8c3..2813e54a4b 100644
--- a/samples/client/petstore/javascript/src/model/AdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript/src/model/AdditionalPropertiesClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/AdditionalPropertiesInteger.js b/samples/client/petstore/javascript/src/model/AdditionalPropertiesInteger.js
index d9e860e647..e7164197a4 100644
--- a/samples/client/petstore/javascript/src/model/AdditionalPropertiesInteger.js
+++ b/samples/client/petstore/javascript/src/model/AdditionalPropertiesInteger.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/AdditionalPropertiesNumber.js b/samples/client/petstore/javascript/src/model/AdditionalPropertiesNumber.js
index f299469e45..f396908837 100644
--- a/samples/client/petstore/javascript/src/model/AdditionalPropertiesNumber.js
+++ b/samples/client/petstore/javascript/src/model/AdditionalPropertiesNumber.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/AdditionalPropertiesObject.js b/samples/client/petstore/javascript/src/model/AdditionalPropertiesObject.js
index 49f7aef8b3..4a9b0ef82e 100644
--- a/samples/client/petstore/javascript/src/model/AdditionalPropertiesObject.js
+++ b/samples/client/petstore/javascript/src/model/AdditionalPropertiesObject.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/AdditionalPropertiesString.js b/samples/client/petstore/javascript/src/model/AdditionalPropertiesString.js
index 68a58595cb..8e685ad794 100644
--- a/samples/client/petstore/javascript/src/model/AdditionalPropertiesString.js
+++ b/samples/client/petstore/javascript/src/model/AdditionalPropertiesString.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Animal.js b/samples/client/petstore/javascript/src/model/Animal.js
index 0c4edc9a38..b017e7f3ea 100644
--- a/samples/client/petstore/javascript/src/model/Animal.js
+++ b/samples/client/petstore/javascript/src/model/Animal.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ApiResponse.js b/samples/client/petstore/javascript/src/model/ApiResponse.js
index efd7fdf421..c57bf079d6 100644
--- a/samples/client/petstore/javascript/src/model/ApiResponse.js
+++ b/samples/client/petstore/javascript/src/model/ApiResponse.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js b/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js
index fdf87fde4e..4f9917fd3a 100644
--- a/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js b/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
index 2b24c19bfe..821ea6bf79 100644
--- a/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ArrayTest.js b/samples/client/petstore/javascript/src/model/ArrayTest.js
index 60600762ce..a2b78d0501 100644
--- a/samples/client/petstore/javascript/src/model/ArrayTest.js
+++ b/samples/client/petstore/javascript/src/model/ArrayTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Capitalization.js b/samples/client/petstore/javascript/src/model/Capitalization.js
index bdba5b0cc3..a41a5373dd 100644
--- a/samples/client/petstore/javascript/src/model/Capitalization.js
+++ b/samples/client/petstore/javascript/src/model/Capitalization.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Cat.js b/samples/client/petstore/javascript/src/model/Cat.js
index f5f9ebf49a..88cc86b5ce 100644
--- a/samples/client/petstore/javascript/src/model/Cat.js
+++ b/samples/client/petstore/javascript/src/model/Cat.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/CatAllOf.js b/samples/client/petstore/javascript/src/model/CatAllOf.js
index b64eee29e1..09a00c6b21 100644
--- a/samples/client/petstore/javascript/src/model/CatAllOf.js
+++ b/samples/client/petstore/javascript/src/model/CatAllOf.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Category.js b/samples/client/petstore/javascript/src/model/Category.js
index a8fa9b082f..f5cc9d32c3 100644
--- a/samples/client/petstore/javascript/src/model/Category.js
+++ b/samples/client/petstore/javascript/src/model/Category.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ClassModel.js b/samples/client/petstore/javascript/src/model/ClassModel.js
index 13e05a6f36..4ce4fe42d5 100644
--- a/samples/client/petstore/javascript/src/model/ClassModel.js
+++ b/samples/client/petstore/javascript/src/model/ClassModel.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Client.js b/samples/client/petstore/javascript/src/model/Client.js
index aa4ca0493f..47000e6f0c 100644
--- a/samples/client/petstore/javascript/src/model/Client.js
+++ b/samples/client/petstore/javascript/src/model/Client.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Dog.js b/samples/client/petstore/javascript/src/model/Dog.js
index 138d5d13fb..0d2d6c432d 100644
--- a/samples/client/petstore/javascript/src/model/Dog.js
+++ b/samples/client/petstore/javascript/src/model/Dog.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/DogAllOf.js b/samples/client/petstore/javascript/src/model/DogAllOf.js
index 5d6a9a1072..d9157867d4 100644
--- a/samples/client/petstore/javascript/src/model/DogAllOf.js
+++ b/samples/client/petstore/javascript/src/model/DogAllOf.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/EnumArrays.js b/samples/client/petstore/javascript/src/model/EnumArrays.js
index 8580dfd308..5a3d166ec6 100644
--- a/samples/client/petstore/javascript/src/model/EnumArrays.js
+++ b/samples/client/petstore/javascript/src/model/EnumArrays.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/EnumClass.js b/samples/client/petstore/javascript/src/model/EnumClass.js
index 9c335fdfbb..a17ee90077 100644
--- a/samples/client/petstore/javascript/src/model/EnumClass.js
+++ b/samples/client/petstore/javascript/src/model/EnumClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/EnumTest.js b/samples/client/petstore/javascript/src/model/EnumTest.js
index 038926ccdb..2d993f9e68 100644
--- a/samples/client/petstore/javascript/src/model/EnumTest.js
+++ b/samples/client/petstore/javascript/src/model/EnumTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/File.js b/samples/client/petstore/javascript/src/model/File.js
index 8042cfad4b..f6455a933d 100644
--- a/samples/client/petstore/javascript/src/model/File.js
+++ b/samples/client/petstore/javascript/src/model/File.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js b/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js
index e29880db9a..2f7a72e03a 100644
--- a/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js
+++ b/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/FormatTest.js b/samples/client/petstore/javascript/src/model/FormatTest.js
index 5772988329..5c0304d6d4 100644
--- a/samples/client/petstore/javascript/src/model/FormatTest.js
+++ b/samples/client/petstore/javascript/src/model/FormatTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js b/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
index 3fe20b3023..2df9454f0e 100644
--- a/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
+++ b/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/List.js b/samples/client/petstore/javascript/src/model/List.js
index 7aa7547884..9936619f93 100644
--- a/samples/client/petstore/javascript/src/model/List.js
+++ b/samples/client/petstore/javascript/src/model/List.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/MapTest.js b/samples/client/petstore/javascript/src/model/MapTest.js
index d04243f15d..f8337f5c4a 100644
--- a/samples/client/petstore/javascript/src/model/MapTest.js
+++ b/samples/client/petstore/javascript/src/model/MapTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js b/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
index c5461ad547..3cee3ee0e6 100644
--- a/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Model200Response.js b/samples/client/petstore/javascript/src/model/Model200Response.js
index 078f612468..c980b96bb9 100644
--- a/samples/client/petstore/javascript/src/model/Model200Response.js
+++ b/samples/client/petstore/javascript/src/model/Model200Response.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ModelReturn.js b/samples/client/petstore/javascript/src/model/ModelReturn.js
index f2c210aeb0..89a0620c27 100644
--- a/samples/client/petstore/javascript/src/model/ModelReturn.js
+++ b/samples/client/petstore/javascript/src/model/ModelReturn.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Name.js b/samples/client/petstore/javascript/src/model/Name.js
index 8e2caf658e..6dae98a459 100644
--- a/samples/client/petstore/javascript/src/model/Name.js
+++ b/samples/client/petstore/javascript/src/model/Name.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/NumberOnly.js b/samples/client/petstore/javascript/src/model/NumberOnly.js
index 3d99a05381..a17fddd047 100644
--- a/samples/client/petstore/javascript/src/model/NumberOnly.js
+++ b/samples/client/petstore/javascript/src/model/NumberOnly.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Order.js b/samples/client/petstore/javascript/src/model/Order.js
index 4b4250c6a7..eab21937f6 100644
--- a/samples/client/petstore/javascript/src/model/Order.js
+++ b/samples/client/petstore/javascript/src/model/Order.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/OuterComposite.js b/samples/client/petstore/javascript/src/model/OuterComposite.js
index 99e0a5c5d9..d188e82444 100644
--- a/samples/client/petstore/javascript/src/model/OuterComposite.js
+++ b/samples/client/petstore/javascript/src/model/OuterComposite.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/OuterEnum.js b/samples/client/petstore/javascript/src/model/OuterEnum.js
index 03931bc723..6153e467d1 100644
--- a/samples/client/petstore/javascript/src/model/OuterEnum.js
+++ b/samples/client/petstore/javascript/src/model/OuterEnum.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Pet.js b/samples/client/petstore/javascript/src/model/Pet.js
index 0c1fdcd196..148254bcbc 100644
--- a/samples/client/petstore/javascript/src/model/Pet.js
+++ b/samples/client/petstore/javascript/src/model/Pet.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js b/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
index 72c17a9f3e..896fb6484d 100644
--- a/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
+++ b/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/SpecialModelName.js b/samples/client/petstore/javascript/src/model/SpecialModelName.js
index f1fc92e8f3..076020ccc8 100644
--- a/samples/client/petstore/javascript/src/model/SpecialModelName.js
+++ b/samples/client/petstore/javascript/src/model/SpecialModelName.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Tag.js b/samples/client/petstore/javascript/src/model/Tag.js
index 953b2938d3..c7a037dde4 100644
--- a/samples/client/petstore/javascript/src/model/Tag.js
+++ b/samples/client/petstore/javascript/src/model/Tag.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/TypeHolderDefault.js b/samples/client/petstore/javascript/src/model/TypeHolderDefault.js
index 187d7930a9..ec6ff961f7 100644
--- a/samples/client/petstore/javascript/src/model/TypeHolderDefault.js
+++ b/samples/client/petstore/javascript/src/model/TypeHolderDefault.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/TypeHolderExample.js b/samples/client/petstore/javascript/src/model/TypeHolderExample.js
index 504ba75bfc..5d274e4ac2 100644
--- a/samples/client/petstore/javascript/src/model/TypeHolderExample.js
+++ b/samples/client/petstore/javascript/src/model/TypeHolderExample.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/User.js b/samples/client/petstore/javascript/src/model/User.js
index 1cb456b754..3ed29d72d8 100644
--- a/samples/client/petstore/javascript/src/model/User.js
+++ b/samples/client/petstore/javascript/src/model/User.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/XmlItem.js b/samples/client/petstore/javascript/src/model/XmlItem.js
index 1d3419997f..b21e8851b4 100644
--- a/samples/client/petstore/javascript/src/model/XmlItem.js
+++ b/samples/client/petstore/javascript/src/model/XmlItem.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/kotlin-string/.openapi-generator/VERSION b/samples/client/petstore/kotlin-string/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/kotlin-string/.openapi-generator/VERSION
+++ b/samples/client/petstore/kotlin-string/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/kotlin-threetenbp/.openapi-generator/VERSION b/samples/client/petstore/kotlin-threetenbp/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/kotlin-threetenbp/.openapi-generator/VERSION
+++ b/samples/client/petstore/kotlin-threetenbp/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/kotlin/.openapi-generator/VERSION b/samples/client/petstore/kotlin/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/kotlin/.openapi-generator/VERSION
+++ b/samples/client/petstore/kotlin/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/perl/.openapi-generator/VERSION b/samples/client/petstore/perl/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/perl/.openapi-generator/VERSION
+++ b/samples/client/petstore/perl/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION b/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION
+++ b/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/AnotherFakeApi.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/AnotherFakeApi.php
index 03826caff9..ef1bff4b99 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/AnotherFakeApi.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/AnotherFakeApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php
index d3f96368a9..3f1b787a0a 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/FakeClassnameTags123Api.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/FakeClassnameTags123Api.php
index 1259483af5..b25fd69069 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/FakeClassnameTags123Api.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/FakeClassnameTags123Api.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/PetApi.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/PetApi.php
index 5c269cbede..81e6bd6b62 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/PetApi.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/PetApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/StoreApi.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/StoreApi.php
index 8040fe95e9..9c765f2d0d 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/StoreApi.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/StoreApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/UserApi.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/UserApi.php
index 058ef039c2..f7f38f7c8e 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Api/UserApi.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Api/UserApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/ApiException.php b/samples/client/petstore/php/OpenAPIClient-php/lib/ApiException.php
index 93c6fe56f7..6db9177721 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/ApiException.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/ApiException.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
index b889738420..e40a7758da 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php b/samples/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php
index 0448f78faf..4adf9aba84 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesAnyType.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesAnyType.php
index 8087b6fc4d..cd3ffebf82 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesAnyType.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesAnyType.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesArray.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesArray.php
index fa670102eb..5fbff73798 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesArray.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesArray.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesBoolean.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesBoolean.php
index c582ca020a..0aae2a4433 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesBoolean.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesBoolean.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesClass.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesClass.php
index 365158b215..e8371d2199 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesClass.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesClass.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesInteger.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesInteger.php
index e308b7a70a..bb2a810a14 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesInteger.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesInteger.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesNumber.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesNumber.php
index 3c46324e9f..b857eb5693 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesNumber.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesNumber.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesObject.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesObject.php
index 667f2bb000..841e9b95c0 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesObject.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesObject.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesString.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesString.php
index 8333432433..678a69ed1b 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesString.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesString.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Animal.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Animal.php
index ddfa967fe3..ec4e8cbe34 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Animal.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Animal.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ApiResponse.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ApiResponse.php
index 30f673754f..47c25f4415 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ApiResponse.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ApiResponse.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfArrayOfNumberOnly.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfArrayOfNumberOnly.php
index 70c86d8d19..bf3eedd820 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfArrayOfNumberOnly.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfArrayOfNumberOnly.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfNumberOnly.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfNumberOnly.php
index 1015e74808..3b9dae89a9 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfNumberOnly.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfNumberOnly.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayTest.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayTest.php
index b9eca45a71..2ca2e7603a 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Capitalization.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Capitalization.php
index 0cd8bbc0f5..8cf2780071 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Capitalization.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Capitalization.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Cat.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Cat.php
index a4beb8007e..f8e9796bea 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Cat.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Cat.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/CatAllOf.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/CatAllOf.php
index 760ad2a81a..341ea6af9e 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/CatAllOf.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/CatAllOf.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Category.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Category.php
index 6a34329d7b..1d5575e0b2 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Category.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Category.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ClassModel.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ClassModel.php
index 4834bda034..cffb5ef289 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ClassModel.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ClassModel.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Client.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Client.php
index 6e7930ab29..7abdfe35ee 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Client.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Client.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Dog.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Dog.php
index b7c9762765..fe9f05b1c8 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Dog.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Dog.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/DogAllOf.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/DogAllOf.php
index a7c17fe156..4430283209 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/DogAllOf.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/DogAllOf.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumArrays.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumArrays.php
index 289f1d86db..722dcd9f30 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumArrays.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumArrays.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumClass.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumClass.php
index 839b4b1675..b8d0beaf91 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumClass.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumClass.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php
index 56d3ff0421..4ec5b633c1 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/File.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/File.php
index 7654a9107e..0d7e229a88 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/File.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/File.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/FileSchemaTestClass.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/FileSchemaTestClass.php
index 0c359e2a24..d199354f73 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/FileSchemaTestClass.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/FileSchemaTestClass.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/FormatTest.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/FormatTest.php
index af8b9dd060..d677f76669 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/FormatTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/FormatTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/HasOnlyReadOnly.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/HasOnlyReadOnly.php
index 700378d0a2..b4576165dd 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/HasOnlyReadOnly.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/HasOnlyReadOnly.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/MapTest.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/MapTest.php
index c1923d9d29..737718d5d1 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/MapTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/MapTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php
index 7522a79117..bb79ae3298 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Model200Response.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Model200Response.php
index be08a19c79..bd417582bd 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Model200Response.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Model200Response.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelInterface.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelInterface.php
index b5fece9a78..044f98f6f0 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelInterface.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelInterface.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelList.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelList.php
index 08fc12f5b0..788418bfd4 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelList.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelList.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelReturn.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelReturn.php
index d183cdd53f..33dc1ea163 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelReturn.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelReturn.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Name.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Name.php
index 6c29d9067f..e7a3ec4990 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Name.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Name.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/NumberOnly.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/NumberOnly.php
index 83efd3332b..b137503a74 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/NumberOnly.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/NumberOnly.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Order.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Order.php
index 6e656b1533..0937f1b7b7 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Order.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Order.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterComposite.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterComposite.php
index 3efa6e1f5c..6c289b0e37 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterComposite.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterComposite.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnum.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnum.php
index 5f565a4bff..d9e07714fe 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnum.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnum.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Pet.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Pet.php
index 4fcaff7b54..ab5c5ee0a3 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Pet.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Pet.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ReadOnlyFirst.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ReadOnlyFirst.php
index 652f37b69f..b34abb7b77 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ReadOnlyFirst.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/ReadOnlyFirst.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/SpecialModelName.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/SpecialModelName.php
index 7bb118029c..e1495174a7 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/SpecialModelName.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/SpecialModelName.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Tag.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Tag.php
index 43507bf63d..1392dd720d 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Tag.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/Tag.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/TypeHolderDefault.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/TypeHolderDefault.php
index e7042d471c..7d5476e654 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/TypeHolderDefault.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/TypeHolderDefault.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/TypeHolderExample.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/TypeHolderExample.php
index 9ccc3c47e4..352003bd73 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/TypeHolderExample.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/TypeHolderExample.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/User.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/User.php
index 6744b9c21f..21e4734239 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/User.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/User.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/XmlItem.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/XmlItem.php
index c1f72e97ca..a9d4bc3ba0 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/Model/XmlItem.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/Model/XmlItem.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php b/samples/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php
index e2faef5275..a391d35291 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Api/AnotherFakeApiTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Api/AnotherFakeApiTest.php
index 7ff12ef961..dfa7692a34 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Api/AnotherFakeApiTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Api/AnotherFakeApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Api/FakeApiTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Api/FakeApiTest.php
index c28d4a2fec..9e1861a7eb 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Api/FakeApiTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Api/FakeApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Api/FakeClassnameTags123ApiTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Api/FakeClassnameTags123ApiTest.php
index 2697a21342..919affe6a0 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Api/FakeClassnameTags123ApiTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Api/FakeClassnameTags123ApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Api/PetApiTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Api/PetApiTest.php
index 2d04e353fe..20ee41ad6d 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Api/PetApiTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Api/PetApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Api/StoreApiTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Api/StoreApiTest.php
index fe51ce2f3e..c81b5b2a95 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Api/StoreApiTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Api/StoreApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Api/UserApiTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Api/UserApiTest.php
index 6ee055793a..edb2ab0039 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Api/UserApiTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Api/UserApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesAnyTypeTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesAnyTypeTest.php
index 9d4fe764e9..920dfd1388 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesAnyTypeTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesAnyTypeTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesArrayTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesArrayTest.php
index a19d641912..e46caff4c8 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesArrayTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesArrayTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesBooleanTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesBooleanTest.php
index 38c092033e..6c19b5678d 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesBooleanTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesBooleanTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesClassTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesClassTest.php
index 22370b43a0..a013b4d497 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesClassTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesClassTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesIntegerTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesIntegerTest.php
index 3dea9a4c9c..752bc12bab 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesIntegerTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesIntegerTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesNumberTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesNumberTest.php
index 235cd1b203..d1a51551b1 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesNumberTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesNumberTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesObjectTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesObjectTest.php
index 23d4b25baf..49bf14a22a 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesObjectTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesObjectTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesStringTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesStringTest.php
index 310107ce66..7925793240 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesStringTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesStringTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AnimalTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AnimalTest.php
index 598ba353ef..f328a85177 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/AnimalTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/AnimalTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ApiResponseTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ApiResponseTest.php
index ff127b6490..d96ba911dc 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ApiResponseTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ApiResponseTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfArrayOfNumberOnlyTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfArrayOfNumberOnlyTest.php
index a80c4a5443..ca9f587dfc 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfArrayOfNumberOnlyTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfArrayOfNumberOnlyTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfNumberOnlyTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfNumberOnlyTest.php
index 7c52127e1a..dc1599f189 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfNumberOnlyTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfNumberOnlyTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayTestTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayTestTest.php
index 322fdbc155..592d0019aa 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayTestTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ArrayTestTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/CapitalizationTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/CapitalizationTest.php
index 02d5965efb..bdbf1b6996 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/CapitalizationTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/CapitalizationTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/CatAllOfTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/CatAllOfTest.php
index f5574208cc..34694656c3 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/CatAllOfTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/CatAllOfTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/CatTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/CatTest.php
index 1b7bbab783..83e2a69059 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/CatTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/CatTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/CategoryTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/CategoryTest.php
index 70be8dbb25..a956506aa3 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/CategoryTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/CategoryTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ClassModelTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ClassModelTest.php
index 063847ceb9..7e1785a115 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ClassModelTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ClassModelTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ClientTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ClientTest.php
index c4a9eaee08..db8503bf61 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ClientTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ClientTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/DogAllOfTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/DogAllOfTest.php
index 17c4ce9e97..ed543d02f1 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/DogAllOfTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/DogAllOfTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/DogTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/DogTest.php
index bbdf71bcb6..14cb9f0c92 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/DogTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/DogTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumArraysTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumArraysTest.php
index 4c0b5b97fe..7f1e141ab0 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumArraysTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumArraysTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumClassTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumClassTest.php
index 7f83f3312b..89e172fadc 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumClassTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumClassTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumTestTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumTestTest.php
index 76d1f2fb67..eeec9696f7 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumTestTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/EnumTestTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/FileSchemaTestClassTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/FileSchemaTestClassTest.php
index 5c042591be..efb3587707 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/FileSchemaTestClassTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/FileSchemaTestClassTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/FileTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/FileTest.php
index e67751dd86..7d4e65364f 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/FileTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/FileTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/FormatTestTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/FormatTestTest.php
index 7cedfeed44..7a649d745f 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/FormatTestTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/FormatTestTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/HasOnlyReadOnlyTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/HasOnlyReadOnlyTest.php
index 25df1e7911..af17f38388 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/HasOnlyReadOnlyTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/HasOnlyReadOnlyTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/MapTestTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/MapTestTest.php
index 14a38f611a..9fdbe8c734 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/MapTestTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/MapTestTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/MixedPropertiesAndAdditionalPropertiesClassTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/MixedPropertiesAndAdditionalPropertiesClassTest.php
index c59fa9106a..09f927eef9 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/MixedPropertiesAndAdditionalPropertiesClassTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/MixedPropertiesAndAdditionalPropertiesClassTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/Model200ResponseTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/Model200ResponseTest.php
index b88485f7f4..4899a278bf 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/Model200ResponseTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/Model200ResponseTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ModelListTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ModelListTest.php
index 43843dba2b..deabe3d561 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ModelListTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ModelListTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ModelReturnTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ModelReturnTest.php
index e93a5e46d1..e483eef4ea 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ModelReturnTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ModelReturnTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/NameTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/NameTest.php
index f3fb739ffa..1e6ab51ba0 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/NameTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/NameTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/NumberOnlyTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/NumberOnlyTest.php
index fef2a5102d..f7fbb1b06d 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/NumberOnlyTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/NumberOnlyTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/OrderTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/OrderTest.php
index 9536eb775b..9dc5c0e54e 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/OrderTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/OrderTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/OuterCompositeTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/OuterCompositeTest.php
index 137d9c605d..402755cdc6 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/OuterCompositeTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/OuterCompositeTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumTest.php
index b16b2c37a9..bd7390b823 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/PetTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/PetTest.php
index 33b7848030..5a07a832e0 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/PetTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/PetTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ReadOnlyFirstTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ReadOnlyFirstTest.php
index 1fce252c5d..53a9beeabc 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/ReadOnlyFirstTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/ReadOnlyFirstTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/SpecialModelNameTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/SpecialModelNameTest.php
index ebf9379013..546bcab81a 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/SpecialModelNameTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/SpecialModelNameTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/TagTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/TagTest.php
index bae67b14a3..ef7450b850 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/TagTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/TagTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/TypeHolderDefaultTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/TypeHolderDefaultTest.php
index 37d48bb493..159d16d7a4 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/TypeHolderDefaultTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/TypeHolderDefaultTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/TypeHolderExampleTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/TypeHolderExampleTest.php
index 44ded9d708..fc51e21b5f 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/TypeHolderExampleTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/TypeHolderExampleTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/UserTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/UserTest.php
index 6a8cb63d03..d6f64a12c4 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/UserTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/UserTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/test/Model/XmlItemTest.php b/samples/client/petstore/php/OpenAPIClient-php/test/Model/XmlItemTest.php
index 067c711b4e..e3cfdeb574 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/test/Model/XmlItemTest.php
+++ b/samples/client/petstore/php/OpenAPIClient-php/test/Model/XmlItemTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/python-asyncio/.openapi-generator/VERSION b/samples/client/petstore/python-asyncio/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/python-asyncio/.openapi-generator/VERSION
+++ b/samples/client/petstore/python-asyncio/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/python-tornado/.openapi-generator/VERSION b/samples/client/petstore/python-tornado/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/python-tornado/.openapi-generator/VERSION
+++ b/samples/client/petstore/python-tornado/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/python/.openapi-generator/VERSION b/samples/client/petstore/python/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/python/.openapi-generator/VERSION
+++ b/samples/client/petstore/python/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/spring-cloud-async/.openapi-generator/VERSION b/samples/client/petstore/spring-cloud-async/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/spring-cloud-async/.openapi-generator/VERSION
+++ b/samples/client/petstore/spring-cloud-async/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/PetApi.java b/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/PetApi.java
index 2ebd1da328..d40a47b4c4 100644
--- a/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/StoreApi.java b/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/StoreApi.java
index ee09f8dc73..523bfc4559 100644
--- a/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/UserApi.java b/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/UserApi.java
index 56610a8f61..f2c7ddfa41 100644
--- a/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/client/petstore/spring-cloud-async/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/client/petstore/spring-cloud/.openapi-generator/VERSION b/samples/client/petstore/spring-cloud/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/spring-cloud/.openapi-generator/VERSION
+++ b/samples/client/petstore/spring-cloud/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/PetApi.java b/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/PetApi.java
index 862e469588..792bc14b99 100644
--- a/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/StoreApi.java b/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/StoreApi.java
index d14b18696a..b7fb4c498d 100644
--- a/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/UserApi.java b/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/UserApi.java
index 370af6c2e5..f8dc43bcf1 100644
--- a/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/client/petstore/spring-cloud/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/client/petstore/spring-stubs/.openapi-generator/VERSION b/samples/client/petstore/spring-stubs/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/spring-stubs/.openapi-generator/VERSION
+++ b/samples/client/petstore/spring-stubs/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/PetApi.java b/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/PetApi.java
index 68659995e7..96e2c2468d 100644
--- a/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/StoreApi.java b/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/StoreApi.java
index 41bc02d2d8..ad743438b5 100644
--- a/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/UserApi.java b/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/UserApi.java
index 83c2c9019e..5f235e3006 100644
--- a/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/client/petstore/spring-stubs/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/client/petstore/typescript-angular-v2/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v2/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v2/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v2/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v2/npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v2/npm/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v2/npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v2/npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v2/with-interfaces/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v2/with-interfaces/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v2/with-interfaces/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v2/with-interfaces/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v4.3/npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v4.3/npm/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v4.3/npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v4.3/npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v4/npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v4/npm/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v4/npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v4/npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/with-npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/with-npm/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/with-npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v6-not-provided-in-root/builds/with-npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v7-not-provided-in-root/builds/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v7-not-provided-in-root/builds/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v7-not-provided-in-root/builds/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v7-not-provided-in-root/builds/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v7-not-provided-in-root/builds/with-npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v7-not-provided-in-root/builds/with-npm/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v7-not-provided-in-root/builds/with-npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v7-not-provided-in-root/builds/with-npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/with-npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/with-npm/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/with-npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v7-provided-in-root/builds/with-npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angularjs/.openapi-generator/VERSION b/samples/client/petstore/typescript-angularjs/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-angularjs/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angularjs/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-aurelia/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-aurelia/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-aurelia/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-aurelia/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-axios/builds/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-axios/builds/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-axios/builds/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-axios/builds/es6-target/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/es6-target/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-axios/builds/es6-target/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-axios/builds/es6-target/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-axios/builds/with-complex-headers/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/with-complex-headers/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-axios/builds/with-complex-headers/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-axios/builds/with-complex-headers/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-axios/builds/with-interfaces/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/with-interfaces/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-axios/builds/with-interfaces/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-axios/builds/with-interfaces/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-axios/builds/with-npm-version-and-separate-models-and-api/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/with-npm-version-and-separate-models-and-api/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-axios/builds/with-npm-version-and-separate-models-and-api/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-axios/builds/with-npm-version-and-separate-models-and-api/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-axios/builds/with-npm-version/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/with-npm-version/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-axios/builds/with-npm-version/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-axios/builds/with-npm-version/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-fetch/builds/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-fetch/builds/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-fetch/builds/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-fetch/builds/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-fetch/builds/es6-target/.openapi-generator/VERSION b/samples/client/petstore/typescript-fetch/builds/es6-target/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-fetch/builds/es6-target/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-fetch/builds/es6-target/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-fetch/builds/multiple-parameters/.openapi-generator/VERSION b/samples/client/petstore/typescript-fetch/builds/multiple-parameters/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-fetch/builds/multiple-parameters/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-fetch/builds/multiple-parameters/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-fetch/builds/with-interfaces/.openapi-generator/VERSION b/samples/client/petstore/typescript-fetch/builds/with-interfaces/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-fetch/builds/with-interfaces/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-fetch/builds/with-interfaces/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-fetch/builds/with-npm-version/.openapi-generator/VERSION b/samples/client/petstore/typescript-fetch/builds/with-npm-version/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-fetch/builds/with-npm-version/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-fetch/builds/with-npm-version/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-inversify/.openapi-generator/VERSION b/samples/client/petstore/typescript-inversify/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-inversify/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-inversify/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-jquery/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-jquery/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-jquery/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-jquery/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-jquery/npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-jquery/npm/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-jquery/npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-jquery/npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-node/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-node/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-node/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-node/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-node/npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-node/npm/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-node/npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-node/npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-rxjs/builds/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-rxjs/builds/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-rxjs/builds/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-rxjs/builds/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-rxjs/builds/es6-target/.openapi-generator/VERSION b/samples/client/petstore/typescript-rxjs/builds/es6-target/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-rxjs/builds/es6-target/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-rxjs/builds/es6-target/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-rxjs/builds/with-interfaces/.openapi-generator/VERSION b/samples/client/petstore/typescript-rxjs/builds/with-interfaces/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-rxjs/builds/with-interfaces/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-rxjs/builds/with-interfaces/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-rxjs/builds/with-npm-version/.openapi-generator/VERSION b/samples/client/petstore/typescript-rxjs/builds/with-npm-version/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/client/petstore/typescript-rxjs/builds/with-npm-version/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-rxjs/builds/with-npm-version/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/meta-codegen/lib/pom.xml b/samples/meta-codegen/lib/pom.xml
index 38d08719b8..b6005565c4 100644
--- a/samples/meta-codegen/lib/pom.xml
+++ b/samples/meta-codegen/lib/pom.xml
@@ -121,7 +121,7 @@
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <openapi-generator-version>4.1.1-SNAPSHOT</openapi-generator-version>
+        <openapi-generator-version>4.2.0-SNAPSHOT</openapi-generator-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <junit-version>4.8.1</junit-version>
     </properties>
diff --git a/samples/meta-codegen/usage/.openapi-generator/VERSION b/samples/meta-codegen/usage/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/meta-codegen/usage/.openapi-generator/VERSION
+++ b/samples/meta-codegen/usage/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION b/samples/openapi3/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/AnotherFakeApi.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/AnotherFakeApi.php
index d1a2b166a6..8a4d383160 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/AnotherFakeApi.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/AnotherFakeApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/DefaultApi.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/DefaultApi.php
index 5432457130..f685cf7d86 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/DefaultApi.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/DefaultApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php
index 185418cadf..e15ba5f9bb 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeClassnameTags123Api.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeClassnameTags123Api.php
index 71e93259e1..2a345ee40f 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeClassnameTags123Api.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/FakeClassnameTags123Api.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/PetApi.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/PetApi.php
index 084e7b6287..d64fd33cc5 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/PetApi.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/PetApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/StoreApi.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/StoreApi.php
index f4d241d28a..0191431ed9 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/StoreApi.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/StoreApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/UserApi.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/UserApi.php
index c6104c9f58..da93b09407 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/UserApi.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Api/UserApi.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/ApiException.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/ApiException.php
index 93c6fe56f7..6db9177721 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/ApiException.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/ApiException.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Configuration.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
index 6d082d9ecb..15d952580e 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php
index 0448f78faf..4adf9aba84 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesClass.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesClass.php
index f315059c99..8d56cb6540 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesClass.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesClass.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Animal.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Animal.php
index ddfa967fe3..ec4e8cbe34 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Animal.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Animal.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ApiResponse.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ApiResponse.php
index 30f673754f..47c25f4415 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ApiResponse.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ApiResponse.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfArrayOfNumberOnly.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfArrayOfNumberOnly.php
index 70c86d8d19..bf3eedd820 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfArrayOfNumberOnly.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfArrayOfNumberOnly.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfNumberOnly.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfNumberOnly.php
index 1015e74808..3b9dae89a9 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfNumberOnly.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfNumberOnly.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayTest.php
index b9eca45a71..2ca2e7603a 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Capitalization.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Capitalization.php
index 0cd8bbc0f5..8cf2780071 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Capitalization.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Capitalization.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Cat.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Cat.php
index a4beb8007e..f8e9796bea 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Cat.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Cat.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/CatAllOf.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/CatAllOf.php
index 760ad2a81a..341ea6af9e 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/CatAllOf.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/CatAllOf.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Category.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Category.php
index 6a34329d7b..1d5575e0b2 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Category.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Category.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ClassModel.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ClassModel.php
index 4834bda034..cffb5ef289 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ClassModel.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ClassModel.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Client.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Client.php
index 6e7930ab29..7abdfe35ee 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Client.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Client.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Dog.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Dog.php
index b7c9762765..fe9f05b1c8 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Dog.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Dog.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/DogAllOf.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/DogAllOf.php
index a7c17fe156..4430283209 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/DogAllOf.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/DogAllOf.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumArrays.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumArrays.php
index 289f1d86db..722dcd9f30 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumArrays.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumArrays.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumClass.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumClass.php
index 839b4b1675..b8d0beaf91 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumClass.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumClass.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php
index bf2c564cc6..9a390f3566 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/File.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/File.php
index 7654a9107e..0d7e229a88 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/File.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/File.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/FileSchemaTestClass.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/FileSchemaTestClass.php
index 0c359e2a24..d199354f73 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/FileSchemaTestClass.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/FileSchemaTestClass.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Foo.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Foo.php
index 1e6b27ee6c..e5ead16227 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Foo.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Foo.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/FormatTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/FormatTest.php
index d13a1f1342..aba41fcce9 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/FormatTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/FormatTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/HasOnlyReadOnly.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/HasOnlyReadOnly.php
index 700378d0a2..b4576165dd 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/HasOnlyReadOnly.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/HasOnlyReadOnly.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/HealthCheckResult.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/HealthCheckResult.php
index a78add5c5a..db19213680 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/HealthCheckResult.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/HealthCheckResult.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject.php
index 3bb2e1a6cc..5710444d4f 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject1.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject1.php
index 5dac3e1787..62ba22db48 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject1.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject1.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject2.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject2.php
index 2c55b6e99f..1caeccee0d 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject2.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject2.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject3.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject3.php
index 8d57b3a332..b55dfd64ad 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject3.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject3.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject4.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject4.php
index 2c99c30605..29e952fa37 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject4.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject4.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject5.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject5.php
index e78018d6d5..1ef3fe246e 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject5.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineObject5.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineResponseDefault.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineResponseDefault.php
index 4b17d92d13..f01c690cd0 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineResponseDefault.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/InlineResponseDefault.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/MapTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/MapTest.php
index c1923d9d29..737718d5d1 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/MapTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/MapTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php
index 7522a79117..bb79ae3298 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Model200Response.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Model200Response.php
index be08a19c79..bd417582bd 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Model200Response.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Model200Response.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelInterface.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelInterface.php
index b5fece9a78..044f98f6f0 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelInterface.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelInterface.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelList.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelList.php
index 08fc12f5b0..788418bfd4 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelList.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelList.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelReturn.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelReturn.php
index d183cdd53f..33dc1ea163 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelReturn.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ModelReturn.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Name.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Name.php
index 6c29d9067f..e7a3ec4990 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Name.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Name.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/NullableClass.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/NullableClass.php
index ad2ff94863..652c7ca3c6 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/NullableClass.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/NullableClass.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/NumberOnly.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/NumberOnly.php
index 83efd3332b..b137503a74 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/NumberOnly.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/NumberOnly.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Order.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Order.php
index 6e656b1533..0937f1b7b7 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Order.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Order.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterComposite.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterComposite.php
index 3efa6e1f5c..6c289b0e37 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterComposite.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterComposite.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnum.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnum.php
index 5f565a4bff..d9e07714fe 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnum.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnum.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumDefaultValue.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumDefaultValue.php
index 42a2fcac67..650a5f2ba0 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumDefaultValue.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumDefaultValue.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumInteger.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumInteger.php
index ba96a75c33..2826549f47 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumInteger.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumInteger.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumIntegerDefaultValue.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumIntegerDefaultValue.php
index 15846b6512..5228d57b1c 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumIntegerDefaultValue.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/OuterEnumIntegerDefaultValue.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Pet.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Pet.php
index 4fcaff7b54..ab5c5ee0a3 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Pet.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Pet.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ReadOnlyFirst.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ReadOnlyFirst.php
index 652f37b69f..b34abb7b77 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ReadOnlyFirst.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/ReadOnlyFirst.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/SpecialModelName.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/SpecialModelName.php
index 862e389912..eeee6e5a6d 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/SpecialModelName.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/SpecialModelName.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Tag.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Tag.php
index 43507bf63d..1392dd720d 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Tag.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/Tag.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/User.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/User.php
index 6744b9c21f..21e4734239 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/User.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/Model/User.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php
index e2faef5275..a391d35291 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/AnotherFakeApiTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/AnotherFakeApiTest.php
index 7ff12ef961..dfa7692a34 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/AnotherFakeApiTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/AnotherFakeApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/DefaultApiTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/DefaultApiTest.php
index 87bcc51b1c..e9aacd4c3b 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/DefaultApiTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/DefaultApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/FakeApiTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/FakeApiTest.php
index 738ce73466..7993e84c92 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/FakeApiTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/FakeApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/FakeClassnameTags123ApiTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/FakeClassnameTags123ApiTest.php
index 2697a21342..919affe6a0 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/FakeClassnameTags123ApiTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/FakeClassnameTags123ApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/PetApiTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/PetApiTest.php
index 2d04e353fe..20ee41ad6d 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/PetApiTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/PetApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/StoreApiTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/StoreApiTest.php
index fe51ce2f3e..c81b5b2a95 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/StoreApiTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/StoreApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/UserApiTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/UserApiTest.php
index 6ee055793a..edb2ab0039 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/UserApiTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Api/UserApiTest.php
@@ -17,7 +17,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesClassTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesClassTest.php
index 7200c186bc..89436f230d 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesClassTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/AdditionalPropertiesClassTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/AnimalTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/AnimalTest.php
index 598ba353ef..f328a85177 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/AnimalTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/AnimalTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ApiResponseTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ApiResponseTest.php
index ff127b6490..d96ba911dc 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ApiResponseTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ApiResponseTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfArrayOfNumberOnlyTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfArrayOfNumberOnlyTest.php
index a80c4a5443..ca9f587dfc 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfArrayOfNumberOnlyTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfArrayOfNumberOnlyTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfNumberOnlyTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfNumberOnlyTest.php
index 7c52127e1a..dc1599f189 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfNumberOnlyTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayOfNumberOnlyTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayTestTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayTestTest.php
index 322fdbc155..592d0019aa 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayTestTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ArrayTestTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CapitalizationTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CapitalizationTest.php
index 02d5965efb..bdbf1b6996 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CapitalizationTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CapitalizationTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CatAllOfTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CatAllOfTest.php
index f5574208cc..34694656c3 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CatAllOfTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CatAllOfTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CatTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CatTest.php
index 1b7bbab783..83e2a69059 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CatTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CatTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CategoryTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CategoryTest.php
index 70be8dbb25..a956506aa3 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CategoryTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/CategoryTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ClassModelTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ClassModelTest.php
index 063847ceb9..7e1785a115 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ClassModelTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ClassModelTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ClientTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ClientTest.php
index c4a9eaee08..db8503bf61 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ClientTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ClientTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/DogAllOfTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/DogAllOfTest.php
index 17c4ce9e97..ed543d02f1 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/DogAllOfTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/DogAllOfTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/DogTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/DogTest.php
index bbdf71bcb6..14cb9f0c92 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/DogTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/DogTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumArraysTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumArraysTest.php
index 4c0b5b97fe..7f1e141ab0 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumArraysTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumArraysTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumClassTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumClassTest.php
index 7f83f3312b..89e172fadc 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumClassTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumClassTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumTestTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumTestTest.php
index 128b563d3d..0ca67c0ecf 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumTestTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/EnumTestTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FileSchemaTestClassTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FileSchemaTestClassTest.php
index 5c042591be..efb3587707 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FileSchemaTestClassTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FileSchemaTestClassTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FileTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FileTest.php
index e67751dd86..7d4e65364f 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FileTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FileTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FooTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FooTest.php
index cab54545d6..ebcbcf22fe 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FooTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FooTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FormatTestTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FormatTestTest.php
index 4d9b55277b..a7ba445aa2 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FormatTestTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/FormatTestTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/HasOnlyReadOnlyTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/HasOnlyReadOnlyTest.php
index 25df1e7911..af17f38388 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/HasOnlyReadOnlyTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/HasOnlyReadOnlyTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/HealthCheckResultTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/HealthCheckResultTest.php
index e8e9bc75e3..4ca14ecc10 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/HealthCheckResultTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/HealthCheckResultTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject1Test.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject1Test.php
index 5984370f0a..ed92bbd2e9 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject1Test.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject1Test.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject2Test.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject2Test.php
index 078bd308ae..9fb81feebd 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject2Test.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject2Test.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject3Test.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject3Test.php
index f63c111736..9f7a4bd127 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject3Test.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject3Test.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject4Test.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject4Test.php
index 0a31cf3465..dcaa435fc1 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject4Test.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject4Test.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject5Test.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject5Test.php
index c1d60bfd93..aa1b7fceec 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject5Test.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObject5Test.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObjectTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObjectTest.php
index 1069f57576..c484492a5f 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObjectTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineObjectTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineResponseDefaultTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineResponseDefaultTest.php
index c4553c0dd8..e01739732e 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineResponseDefaultTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/InlineResponseDefaultTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/MapTestTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/MapTestTest.php
index 14a38f611a..9fdbe8c734 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/MapTestTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/MapTestTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/MixedPropertiesAndAdditionalPropertiesClassTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/MixedPropertiesAndAdditionalPropertiesClassTest.php
index c59fa9106a..09f927eef9 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/MixedPropertiesAndAdditionalPropertiesClassTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/MixedPropertiesAndAdditionalPropertiesClassTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/Model200ResponseTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/Model200ResponseTest.php
index b88485f7f4..4899a278bf 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/Model200ResponseTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/Model200ResponseTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ModelListTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ModelListTest.php
index 43843dba2b..deabe3d561 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ModelListTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ModelListTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ModelReturnTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ModelReturnTest.php
index e93a5e46d1..e483eef4ea 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ModelReturnTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ModelReturnTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NameTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NameTest.php
index f3fb739ffa..1e6ab51ba0 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NameTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NameTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NullableClassTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NullableClassTest.php
index 9ead82fa84..7bec29ffc8 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NullableClassTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NullableClassTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NumberOnlyTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NumberOnlyTest.php
index fef2a5102d..f7fbb1b06d 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NumberOnlyTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/NumberOnlyTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OrderTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OrderTest.php
index 9536eb775b..9dc5c0e54e 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OrderTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OrderTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterCompositeTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterCompositeTest.php
index 137d9c605d..402755cdc6 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterCompositeTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterCompositeTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumDefaultValueTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumDefaultValueTest.php
index 3ea20e311e..4436e5c21c 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumDefaultValueTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumDefaultValueTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumIntegerDefaultValueTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumIntegerDefaultValueTest.php
index e18d0d5db5..31cc924628 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumIntegerDefaultValueTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumIntegerDefaultValueTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumIntegerTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumIntegerTest.php
index 8950d7f102..0244038de6 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumIntegerTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumIntegerTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumTest.php
index b16b2c37a9..bd7390b823 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/OuterEnumTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/PetTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/PetTest.php
index 33b7848030..5a07a832e0 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/PetTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/PetTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ReadOnlyFirstTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ReadOnlyFirstTest.php
index 1fce252c5d..53a9beeabc 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ReadOnlyFirstTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/ReadOnlyFirstTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/SpecialModelNameTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/SpecialModelNameTest.php
index ebf9379013..546bcab81a 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/SpecialModelNameTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/SpecialModelNameTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/TagTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/TagTest.php
index bae67b14a3..ef7450b850 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/TagTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/TagTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/UserTest.php b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/UserTest.php
index 6a8cb63d03..d6f64a12c4 100644
--- a/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/UserTest.php
+++ b/samples/openapi3/client/petstore/php/OpenAPIClient-php/test/Model/UserTest.php
@@ -18,7 +18,7 @@
  * The version of the OpenAPI document: 1.0.0
  * 
  * Generated by: https://openapi-generator.tech
- * OpenAPI Generator version: 4.1.1-SNAPSHOT
+ * OpenAPI Generator version: 4.2.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/python/.openapi-generator/VERSION b/samples/openapi3/client/petstore/python/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/openapi3/client/petstore/python/.openapi-generator/VERSION
+++ b/samples/openapi3/client/petstore/python/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/openapi3/client/petstore/ruby-faraday/.openapi-generator/VERSION b/samples/openapi3/client/petstore/ruby-faraday/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/.openapi-generator/VERSION
+++ b/samples/openapi3/client/petstore/ruby-faraday/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore.rb
index 50ae5e03d0..acf7ff90ec 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/another_fake_api.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/another_fake_api.rb
index e828d7208b..a1cc099039 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/another_fake_api.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/another_fake_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/default_api.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/default_api.rb
index 517cd52709..d63f3c7462 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/default_api.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/default_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/fake_api.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/fake_api.rb
index 9d04817774..db8b6cbb04 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/fake_api.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/fake_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/fake_classname_tags123_api.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/fake_classname_tags123_api.rb
index efc6c0d29c..2fb479ffa1 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/fake_classname_tags123_api.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/fake_classname_tags123_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/pet_api.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/pet_api.rb
index 1046df37b6..8501d6c483 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/pet_api.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/pet_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/store_api.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/store_api.rb
index 9e577bbf53..a30d9da6c1 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/store_api.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/store_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/user_api.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/user_api.rb
index 51cee2bc4e..c2e8e65d7b 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/user_api.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api/user_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api_client.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api_client.rb
index da74bafbc6..fb3dc89fc8 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api_client.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api_client.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api_error.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api_error.rb
index 06edcc78dc..61a202d3a4 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api_error.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/api_error.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/configuration.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/configuration.rb
index a6f5ceefe4..36e285ffbf 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/configuration.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/configuration.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/additional_properties_class.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/additional_properties_class.rb
index d1e15cc183..8aa2fab055 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/additional_properties_class.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/additional_properties_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/animal.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/animal.rb
index 4bb43b9b3f..0f306bf2f9 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/animal.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/animal.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/api_response.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/api_response.rb
index b97381b8f3..05f0916ae0 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/api_response.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/api_response.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_of_array_of_number_only.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_of_array_of_number_only.rb
index 6524faab1b..b0604460fd 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_of_array_of_number_only.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_of_array_of_number_only.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_of_number_only.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_of_number_only.rb
index 2cb6117756..cd849d8187 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_of_number_only.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_of_number_only.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_test.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_test.rb
index 6e8b6c9c41..994e285787 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_test.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/array_test.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/capitalization.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/capitalization.rb
index 9e0b353acb..24378d9572 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/capitalization.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/capitalization.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/cat.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/cat.rb
index 0e371fdab3..9ce0176633 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/cat.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/cat.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/cat_all_of.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/cat_all_of.rb
index 220f108d8c..3bb617301e 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/cat_all_of.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/cat_all_of.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/category.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/category.rb
index 8089f254d4..2534502ee4 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/category.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/category.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/class_model.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/class_model.rb
index 8aa5d5272f..dc391cf09d 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/class_model.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/class_model.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/client.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/client.rb
index e70206c160..789892fc37 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/client.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/client.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/dog.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/dog.rb
index 19203ab642..e504df5c3d 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/dog.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/dog.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/dog_all_of.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/dog_all_of.rb
index e96ac01580..fec9b9517a 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/dog_all_of.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/dog_all_of.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_arrays.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_arrays.rb
index 5b56559713..51d904e922 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_arrays.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_arrays.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_class.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_class.rb
index e105ff447a..32c3cb9755 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_class.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_test.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_test.rb
index 00e245e8a7..c0ac2d1b64 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_test.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/enum_test.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/file.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/file.rb
index 6bce09460d..e9b38a54d1 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/file.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/file.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/file_schema_test_class.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/file_schema_test_class.rb
index 7bb95e34fd..a7b89286cb 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/file_schema_test_class.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/file_schema_test_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/foo.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/foo.rb
index 32c01cb0a6..b3e57141cb 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/foo.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/foo.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/format_test.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/format_test.rb
index 0b1472d0e0..e0a6eb2654 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/format_test.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/format_test.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/has_only_read_only.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/has_only_read_only.rb
index e916d10b16..c80fda59e2 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/has_only_read_only.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/has_only_read_only.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/health_check_result.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/health_check_result.rb
index 3ec740ccf7..5422416ad5 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/health_check_result.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/health_check_result.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object.rb
index f7319904db..6edcc45e37 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object1.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object1.rb
index 2b0281d553..8081daaff5 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object1.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object1.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object2.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object2.rb
index 5312efc42a..2276f08790 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object2.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object2.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object3.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object3.rb
index 073e4822d7..4c50dcf1d0 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object3.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object3.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object4.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object4.rb
index 1048510ded..c1f9b24b59 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object4.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object4.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object5.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object5.rb
index 4782507a78..d6369f5270 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object5.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_object5.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_response_default.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_response_default.rb
index 336486e966..53855e92d9 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_response_default.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/inline_response_default.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/list.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/list.rb
index db861f23f7..18a9c412a0 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/list.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/list.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/map_test.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/map_test.rb
index c8465b1823..f9880f3acd 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/map_test.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/map_test.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/mixed_properties_and_additional_properties_class.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/mixed_properties_and_additional_properties_class.rb
index 7e5ed17881..812b0ed159 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/mixed_properties_and_additional_properties_class.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/mixed_properties_and_additional_properties_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/model200_response.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/model200_response.rb
index 552de582c6..235f67b7eb 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/model200_response.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/model200_response.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/model_return.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/model_return.rb
index 3aaa464c8e..ee572c4f79 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/model_return.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/model_return.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/name.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/name.rb
index 3025064418..e5de782f58 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/name.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/name.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/nullable_class.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/nullable_class.rb
index 92efb7fdae..495aed1266 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/nullable_class.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/nullable_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/number_only.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/number_only.rb
index 553ca99beb..85001f95f7 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/number_only.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/number_only.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/order.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/order.rb
index c790d70270..5beeeb5c30 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/order.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/order.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_composite.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_composite.rb
index dd05f8ade3..8a049ccf9d 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_composite.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_composite.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum.rb
index d24a7b353f..9abfa58346 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_default_value.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_default_value.rb
index f6b631e774..0a9d017988 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_default_value.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_default_value.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_integer.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_integer.rb
index 92a0b518e3..33d03e4447 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_integer.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_integer.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_integer_default_value.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_integer_default_value.rb
index a7542f4cac..cce4f687b4 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_integer_default_value.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/outer_enum_integer_default_value.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/pet.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/pet.rb
index 59cbcadc5a..4244d562ee 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/pet.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/pet.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/read_only_first.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/read_only_first.rb
index beccaccac4..8db7c75279 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/read_only_first.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/read_only_first.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/special_model_name.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/special_model_name.rb
index f16178a214..44424fa712 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/special_model_name.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/special_model_name.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/tag.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/tag.rb
index 700c27baf1..4938dd170b 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/tag.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/tag.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/user.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/user.rb
index be6a8e9350..4309ea6a63 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/user.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/models/user.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/version.rb b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/version.rb
index 37b31e0899..eaaa4a9ba3 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/version.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/lib/petstore/version.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/petstore.gemspec b/samples/openapi3/client/petstore/ruby-faraday/petstore.gemspec
index 348b1213f4..4a11c0dad8 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/petstore.gemspec
+++ b/samples/openapi3/client/petstore/ruby-faraday/petstore.gemspec
@@ -8,7 +8,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/api/another_fake_api_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/api/another_fake_api_spec.rb
index ab755e9edf..b138a02a89 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/api/another_fake_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/api/another_fake_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/api/default_api_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/api/default_api_spec.rb
index 61dceb031d..b8be97a3df 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/api/default_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/api/default_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/api/fake_api_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/api/fake_api_spec.rb
index 3c9cce607b..f1cff68a8b 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/api/fake_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/api/fake_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/api/fake_classname_tags123_api_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/api/fake_classname_tags123_api_spec.rb
index 7a279d9efa..614aa43927 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/api/fake_classname_tags123_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/api/fake_classname_tags123_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/api/pet_api_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/api/pet_api_spec.rb
index b47e785aab..e06864d1b7 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/api/pet_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/api/pet_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/api/store_api_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/api/store_api_spec.rb
index 0792a31a84..2a2ad87757 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/api/store_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/api/store_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/api/user_api_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/api/user_api_spec.rb
index 327075b836..2c3c9e787a 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/api/user_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/api/user_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/api_client_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/api_client_spec.rb
index f66015c816..a8383d805b 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/api_client_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/api_client_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/configuration_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/configuration_spec.rb
index 08a875cffe..7a9334b164 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/configuration_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/configuration_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/additional_properties_class_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/additional_properties_class_spec.rb
index 00a004c2fb..460d5d7f77 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/additional_properties_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/additional_properties_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/animal_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/animal_spec.rb
index c6610d36e1..013704b05d 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/animal_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/animal_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/api_response_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/api_response_spec.rb
index 700bdaa2ae..59f192bab4 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/api_response_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/api_response_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_of_array_of_number_only_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_of_array_of_number_only_spec.rb
index ef282fa6b8..31e351374c 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_of_array_of_number_only_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_of_array_of_number_only_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_of_number_only_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_of_number_only_spec.rb
index ecc5ad52c4..230acecfb1 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_of_number_only_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_of_number_only_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_test_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_test_spec.rb
index 42c8c83511..5f87bc0f95 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_test_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/array_test_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/capitalization_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/capitalization_spec.rb
index a2273bae19..54bddceed0 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/capitalization_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/capitalization_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/cat_all_of_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/cat_all_of_spec.rb
index c27179120c..4e2b0007bf 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/cat_all_of_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/cat_all_of_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/cat_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/cat_spec.rb
index b0e1093fef..2153fe8a4d 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/cat_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/cat_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/category_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/category_spec.rb
index a437816f7a..754370bbaa 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/category_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/category_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/class_model_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/class_model_spec.rb
index 28e126def6..eccccfd49c 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/class_model_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/class_model_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/client_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/client_spec.rb
index 0a2446b6bb..768184fbc0 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/client_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/client_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/dog_all_of_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/dog_all_of_spec.rb
index 45fb6a3c42..ec71e333b6 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/dog_all_of_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/dog_all_of_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/dog_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/dog_spec.rb
index 46da564fab..38fe98e343 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/dog_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/dog_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_arrays_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_arrays_spec.rb
index 2ea117c042..6b8e65d84f 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_arrays_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_arrays_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_class_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_class_spec.rb
index abd0f55114..38b01db5b8 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_test_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_test_spec.rb
index d26e2693d2..93cf1e9dfb 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_test_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/enum_test_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/file_schema_test_class_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/file_schema_test_class_spec.rb
index d8ff3c2100..aa2716105d 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/file_schema_test_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/file_schema_test_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/file_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/file_spec.rb
index 50c1c6c4e1..db8a5e9493 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/file_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/file_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/foo_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/foo_spec.rb
index f7915c8d68..57e37f9282 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/foo_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/foo_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/format_test_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/format_test_spec.rb
index 9f1785bcbe..d9e29942d4 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/format_test_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/format_test_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/has_only_read_only_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/has_only_read_only_spec.rb
index 24392afa87..491b7faa76 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/has_only_read_only_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/has_only_read_only_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/health_check_result_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/health_check_result_spec.rb
index 2a1aaac782..569c15cda1 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/health_check_result_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/health_check_result_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object1_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object1_spec.rb
index 6fd340cd5c..325ea712b2 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object1_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object1_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object2_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object2_spec.rb
index cedf2d70a1..c3918233c3 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object2_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object2_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object3_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object3_spec.rb
index c092d47967..6c8d494b24 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object3_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object3_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object4_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object4_spec.rb
index 50fde4ba0e..c03f324914 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object4_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object4_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object5_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object5_spec.rb
index eab00d6788..4deff89dda 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object5_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object5_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object_spec.rb
index 15b6e33b8c..bbd61dc957 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_object_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_response_default_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_response_default_spec.rb
index 4433c9e1d4..ed67697fad 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_response_default_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/inline_response_default_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/list_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/list_spec.rb
index b182964763..1b50f389a5 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/list_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/list_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/map_test_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/map_test_spec.rb
index 729dc35145..b95e630efa 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/map_test_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/map_test_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/mixed_properties_and_additional_properties_class_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/mixed_properties_and_additional_properties_class_spec.rb
index bd675e88e7..a8dba924ec 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/mixed_properties_and_additional_properties_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/mixed_properties_and_additional_properties_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/model200_response_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/model200_response_spec.rb
index 701e9891fb..02e60ff326 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/model200_response_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/model200_response_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/model_return_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/model_return_spec.rb
index f4bdd9253c..58ac90b608 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/model_return_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/model_return_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/name_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/name_spec.rb
index 6f8633c756..58c6c0d0ae 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/name_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/name_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/nullable_class_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/nullable_class_spec.rb
index f508ba98b4..f72e4d0de2 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/nullable_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/nullable_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/number_only_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/number_only_spec.rb
index 093452f460..03c332272b 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/number_only_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/number_only_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/order_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/order_spec.rb
index 9f7cb8f767..385b1ff36a 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/order_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/order_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_composite_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_composite_spec.rb
index fb670b2977..16a8f4ecc1 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_composite_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_composite_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_default_value_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_default_value_spec.rb
index 72d3c54966..3003761cfa 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_default_value_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_default_value_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_integer_default_value_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_integer_default_value_spec.rb
index 310e4ee6fd..b525690284 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_integer_default_value_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_integer_default_value_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_integer_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_integer_spec.rb
index 3e69113a39..b40156fad9 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_integer_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_integer_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_spec.rb
index d196aa079e..c9a59704ed 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/outer_enum_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/pet_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/pet_spec.rb
index 74ea31c695..840b257fd6 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/pet_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/pet_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/read_only_first_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/read_only_first_spec.rb
index 960d289dde..e6e44f30f6 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/read_only_first_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/read_only_first_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/special_model_name_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/special_model_name_spec.rb
index c826438676..ab4e628d4d 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/special_model_name_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/special_model_name_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/tag_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/tag_spec.rb
index 72cf2dd511..72fbc4adcc 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/tag_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/tag_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/models/user_spec.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/models/user_spec.rb
index d64a11e2b4..553ba47542 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/models/user_spec.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/models/user_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby-faraday/spec/spec_helper.rb b/samples/openapi3/client/petstore/ruby-faraday/spec/spec_helper.rb
index 6b9663ca66..0d935b668c 100644
--- a/samples/openapi3/client/petstore/ruby-faraday/spec/spec_helper.rb
+++ b/samples/openapi3/client/petstore/ruby-faraday/spec/spec_helper.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/.openapi-generator/VERSION b/samples/openapi3/client/petstore/ruby/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/openapi3/client/petstore/ruby/.openapi-generator/VERSION
+++ b/samples/openapi3/client/petstore/ruby/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore.rb b/samples/openapi3/client/petstore/ruby/lib/petstore.rb
index 50ae5e03d0..acf7ff90ec 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/api/another_fake_api.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/api/another_fake_api.rb
index e828d7208b..a1cc099039 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/api/another_fake_api.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/api/another_fake_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/api/default_api.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/api/default_api.rb
index 517cd52709..d63f3c7462 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/api/default_api.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/api/default_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/api/fake_api.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/api/fake_api.rb
index 9d04817774..db8b6cbb04 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/api/fake_api.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/api/fake_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/api/fake_classname_tags123_api.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/api/fake_classname_tags123_api.rb
index efc6c0d29c..2fb479ffa1 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/api/fake_classname_tags123_api.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/api/fake_classname_tags123_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/api/pet_api.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/api/pet_api.rb
index 1046df37b6..8501d6c483 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/api/pet_api.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/api/pet_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/api/store_api.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/api/store_api.rb
index 9e577bbf53..a30d9da6c1 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/api/store_api.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/api/store_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/api/user_api.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/api/user_api.rb
index 51cee2bc4e..c2e8e65d7b 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/api/user_api.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/api/user_api.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/api_client.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/api_client.rb
index 6abea99e7f..bc148e3db3 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/api_client.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/api_client.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/api_error.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/api_error.rb
index 06edcc78dc..61a202d3a4 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/api_error.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/api_error.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/configuration.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/configuration.rb
index ead5913764..5a893c012b 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/configuration.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/configuration.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/additional_properties_class.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/additional_properties_class.rb
index d1e15cc183..8aa2fab055 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/additional_properties_class.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/additional_properties_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/animal.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/animal.rb
index 4bb43b9b3f..0f306bf2f9 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/animal.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/animal.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/api_response.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/api_response.rb
index b97381b8f3..05f0916ae0 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/api_response.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/api_response.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_of_array_of_number_only.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_of_array_of_number_only.rb
index 6524faab1b..b0604460fd 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_of_array_of_number_only.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_of_array_of_number_only.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_of_number_only.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_of_number_only.rb
index 2cb6117756..cd849d8187 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_of_number_only.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_of_number_only.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_test.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_test.rb
index 6e8b6c9c41..994e285787 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_test.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/array_test.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/capitalization.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/capitalization.rb
index 9e0b353acb..24378d9572 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/capitalization.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/capitalization.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/cat.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/cat.rb
index 0e371fdab3..9ce0176633 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/cat.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/cat.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/cat_all_of.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/cat_all_of.rb
index 220f108d8c..3bb617301e 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/cat_all_of.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/cat_all_of.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/category.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/category.rb
index 8089f254d4..2534502ee4 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/category.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/category.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/class_model.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/class_model.rb
index 8aa5d5272f..dc391cf09d 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/class_model.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/class_model.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/client.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/client.rb
index e70206c160..789892fc37 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/client.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/client.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/dog.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/dog.rb
index 19203ab642..e504df5c3d 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/dog.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/dog.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/dog_all_of.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/dog_all_of.rb
index e96ac01580..fec9b9517a 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/dog_all_of.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/dog_all_of.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_arrays.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_arrays.rb
index 5b56559713..51d904e922 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_arrays.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_arrays.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_class.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_class.rb
index e105ff447a..32c3cb9755 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_class.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_test.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_test.rb
index 00e245e8a7..c0ac2d1b64 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_test.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/enum_test.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/file.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/file.rb
index 6bce09460d..e9b38a54d1 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/file.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/file.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/file_schema_test_class.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/file_schema_test_class.rb
index 7bb95e34fd..a7b89286cb 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/file_schema_test_class.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/file_schema_test_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/foo.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/foo.rb
index 32c01cb0a6..b3e57141cb 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/foo.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/foo.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/format_test.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/format_test.rb
index 0b1472d0e0..e0a6eb2654 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/format_test.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/format_test.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/has_only_read_only.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/has_only_read_only.rb
index e916d10b16..c80fda59e2 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/has_only_read_only.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/has_only_read_only.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/health_check_result.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/health_check_result.rb
index 3ec740ccf7..5422416ad5 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/health_check_result.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/health_check_result.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object.rb
index f7319904db..6edcc45e37 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object1.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object1.rb
index 2b0281d553..8081daaff5 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object1.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object1.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object2.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object2.rb
index 5312efc42a..2276f08790 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object2.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object2.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object3.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object3.rb
index 073e4822d7..4c50dcf1d0 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object3.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object3.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object4.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object4.rb
index 1048510ded..c1f9b24b59 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object4.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object4.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object5.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object5.rb
index 4782507a78..d6369f5270 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object5.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_object5.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_response_default.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_response_default.rb
index 336486e966..53855e92d9 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_response_default.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/inline_response_default.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/list.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/list.rb
index db861f23f7..18a9c412a0 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/list.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/list.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/map_test.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/map_test.rb
index c8465b1823..f9880f3acd 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/map_test.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/map_test.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/mixed_properties_and_additional_properties_class.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/mixed_properties_and_additional_properties_class.rb
index 7e5ed17881..812b0ed159 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/mixed_properties_and_additional_properties_class.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/mixed_properties_and_additional_properties_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/model200_response.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/model200_response.rb
index 552de582c6..235f67b7eb 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/model200_response.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/model200_response.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/model_return.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/model_return.rb
index 3aaa464c8e..ee572c4f79 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/model_return.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/model_return.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/name.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/name.rb
index 3025064418..e5de782f58 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/name.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/name.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/nullable_class.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/nullable_class.rb
index 92efb7fdae..495aed1266 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/nullable_class.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/nullable_class.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/number_only.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/number_only.rb
index 553ca99beb..85001f95f7 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/number_only.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/number_only.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/order.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/order.rb
index c790d70270..5beeeb5c30 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/order.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/order.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_composite.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_composite.rb
index dd05f8ade3..8a049ccf9d 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_composite.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_composite.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum.rb
index d24a7b353f..9abfa58346 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_default_value.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_default_value.rb
index f6b631e774..0a9d017988 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_default_value.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_default_value.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_integer.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_integer.rb
index 92a0b518e3..33d03e4447 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_integer.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_integer.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_integer_default_value.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_integer_default_value.rb
index a7542f4cac..cce4f687b4 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_integer_default_value.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/outer_enum_integer_default_value.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/pet.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/pet.rb
index 59cbcadc5a..4244d562ee 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/pet.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/pet.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/read_only_first.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/read_only_first.rb
index beccaccac4..8db7c75279 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/read_only_first.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/read_only_first.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/special_model_name.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/special_model_name.rb
index f16178a214..44424fa712 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/special_model_name.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/special_model_name.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/tag.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/tag.rb
index 700c27baf1..4938dd170b 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/tag.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/tag.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/models/user.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/models/user.rb
index be6a8e9350..4309ea6a63 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/models/user.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/models/user.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/lib/petstore/version.rb b/samples/openapi3/client/petstore/ruby/lib/petstore/version.rb
index 37b31e0899..eaaa4a9ba3 100644
--- a/samples/openapi3/client/petstore/ruby/lib/petstore/version.rb
+++ b/samples/openapi3/client/petstore/ruby/lib/petstore/version.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/petstore.gemspec b/samples/openapi3/client/petstore/ruby/petstore.gemspec
index e6fe7aa474..b37d566360 100644
--- a/samples/openapi3/client/petstore/ruby/petstore.gemspec
+++ b/samples/openapi3/client/petstore/ruby/petstore.gemspec
@@ -8,7 +8,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/api/another_fake_api_spec.rb b/samples/openapi3/client/petstore/ruby/spec/api/another_fake_api_spec.rb
index ab755e9edf..b138a02a89 100644
--- a/samples/openapi3/client/petstore/ruby/spec/api/another_fake_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/api/another_fake_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/api/default_api_spec.rb b/samples/openapi3/client/petstore/ruby/spec/api/default_api_spec.rb
index 61dceb031d..b8be97a3df 100644
--- a/samples/openapi3/client/petstore/ruby/spec/api/default_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/api/default_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/api/fake_api_spec.rb b/samples/openapi3/client/petstore/ruby/spec/api/fake_api_spec.rb
index 3c9cce607b..f1cff68a8b 100644
--- a/samples/openapi3/client/petstore/ruby/spec/api/fake_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/api/fake_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/api/fake_classname_tags123_api_spec.rb b/samples/openapi3/client/petstore/ruby/spec/api/fake_classname_tags123_api_spec.rb
index 7a279d9efa..614aa43927 100644
--- a/samples/openapi3/client/petstore/ruby/spec/api/fake_classname_tags123_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/api/fake_classname_tags123_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/api/pet_api_spec.rb b/samples/openapi3/client/petstore/ruby/spec/api/pet_api_spec.rb
index b47e785aab..e06864d1b7 100644
--- a/samples/openapi3/client/petstore/ruby/spec/api/pet_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/api/pet_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/api/store_api_spec.rb b/samples/openapi3/client/petstore/ruby/spec/api/store_api_spec.rb
index 0792a31a84..2a2ad87757 100644
--- a/samples/openapi3/client/petstore/ruby/spec/api/store_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/api/store_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/api/user_api_spec.rb b/samples/openapi3/client/petstore/ruby/spec/api/user_api_spec.rb
index 327075b836..2c3c9e787a 100644
--- a/samples/openapi3/client/petstore/ruby/spec/api/user_api_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/api/user_api_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/api_client_spec.rb b/samples/openapi3/client/petstore/ruby/spec/api_client_spec.rb
index 468e5f36af..ebe2564c92 100644
--- a/samples/openapi3/client/petstore/ruby/spec/api_client_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/api_client_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/configuration_spec.rb b/samples/openapi3/client/petstore/ruby/spec/configuration_spec.rb
index 08a875cffe..7a9334b164 100644
--- a/samples/openapi3/client/petstore/ruby/spec/configuration_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/configuration_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/additional_properties_class_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/additional_properties_class_spec.rb
index 00a004c2fb..460d5d7f77 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/additional_properties_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/additional_properties_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/animal_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/animal_spec.rb
index c6610d36e1..013704b05d 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/animal_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/animal_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/api_response_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/api_response_spec.rb
index 700bdaa2ae..59f192bab4 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/api_response_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/api_response_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/array_of_array_of_number_only_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/array_of_array_of_number_only_spec.rb
index ef282fa6b8..31e351374c 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/array_of_array_of_number_only_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/array_of_array_of_number_only_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/array_of_number_only_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/array_of_number_only_spec.rb
index ecc5ad52c4..230acecfb1 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/array_of_number_only_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/array_of_number_only_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/array_test_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/array_test_spec.rb
index 42c8c83511..5f87bc0f95 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/array_test_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/array_test_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/capitalization_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/capitalization_spec.rb
index a2273bae19..54bddceed0 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/capitalization_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/capitalization_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/cat_all_of_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/cat_all_of_spec.rb
index c27179120c..4e2b0007bf 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/cat_all_of_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/cat_all_of_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/cat_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/cat_spec.rb
index b0e1093fef..2153fe8a4d 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/cat_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/cat_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/category_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/category_spec.rb
index a437816f7a..754370bbaa 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/category_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/category_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/class_model_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/class_model_spec.rb
index 28e126def6..eccccfd49c 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/class_model_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/class_model_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/client_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/client_spec.rb
index 0a2446b6bb..768184fbc0 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/client_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/client_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/dog_all_of_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/dog_all_of_spec.rb
index 45fb6a3c42..ec71e333b6 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/dog_all_of_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/dog_all_of_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/dog_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/dog_spec.rb
index 46da564fab..38fe98e343 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/dog_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/dog_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/enum_arrays_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/enum_arrays_spec.rb
index 2ea117c042..6b8e65d84f 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/enum_arrays_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/enum_arrays_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/enum_class_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/enum_class_spec.rb
index abd0f55114..38b01db5b8 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/enum_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/enum_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/enum_test_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/enum_test_spec.rb
index d26e2693d2..93cf1e9dfb 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/enum_test_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/enum_test_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/file_schema_test_class_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/file_schema_test_class_spec.rb
index d8ff3c2100..aa2716105d 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/file_schema_test_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/file_schema_test_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/file_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/file_spec.rb
index 50c1c6c4e1..db8a5e9493 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/file_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/file_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/foo_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/foo_spec.rb
index f7915c8d68..57e37f9282 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/foo_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/foo_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/format_test_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/format_test_spec.rb
index 9f1785bcbe..d9e29942d4 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/format_test_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/format_test_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/has_only_read_only_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/has_only_read_only_spec.rb
index 24392afa87..491b7faa76 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/has_only_read_only_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/has_only_read_only_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/health_check_result_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/health_check_result_spec.rb
index 2a1aaac782..569c15cda1 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/health_check_result_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/health_check_result_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/inline_object1_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/inline_object1_spec.rb
index 6fd340cd5c..325ea712b2 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/inline_object1_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/inline_object1_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/inline_object2_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/inline_object2_spec.rb
index cedf2d70a1..c3918233c3 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/inline_object2_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/inline_object2_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/inline_object3_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/inline_object3_spec.rb
index c092d47967..6c8d494b24 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/inline_object3_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/inline_object3_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/inline_object4_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/inline_object4_spec.rb
index 50fde4ba0e..c03f324914 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/inline_object4_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/inline_object4_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/inline_object5_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/inline_object5_spec.rb
index eab00d6788..4deff89dda 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/inline_object5_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/inline_object5_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/inline_object_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/inline_object_spec.rb
index 15b6e33b8c..bbd61dc957 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/inline_object_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/inline_object_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/inline_response_default_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/inline_response_default_spec.rb
index 4433c9e1d4..ed67697fad 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/inline_response_default_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/inline_response_default_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/list_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/list_spec.rb
index b182964763..1b50f389a5 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/list_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/list_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/map_test_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/map_test_spec.rb
index 729dc35145..b95e630efa 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/map_test_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/map_test_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/mixed_properties_and_additional_properties_class_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/mixed_properties_and_additional_properties_class_spec.rb
index bd675e88e7..a8dba924ec 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/mixed_properties_and_additional_properties_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/mixed_properties_and_additional_properties_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/model200_response_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/model200_response_spec.rb
index 701e9891fb..02e60ff326 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/model200_response_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/model200_response_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/model_return_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/model_return_spec.rb
index f4bdd9253c..58ac90b608 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/model_return_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/model_return_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/name_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/name_spec.rb
index 6f8633c756..58c6c0d0ae 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/name_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/name_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/nullable_class_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/nullable_class_spec.rb
index f508ba98b4..f72e4d0de2 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/nullable_class_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/nullable_class_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/number_only_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/number_only_spec.rb
index 093452f460..03c332272b 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/number_only_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/number_only_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/order_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/order_spec.rb
index 9f7cb8f767..385b1ff36a 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/order_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/order_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/outer_composite_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/outer_composite_spec.rb
index fb670b2977..16a8f4ecc1 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/outer_composite_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/outer_composite_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_default_value_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_default_value_spec.rb
index 72d3c54966..3003761cfa 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_default_value_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_default_value_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_integer_default_value_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_integer_default_value_spec.rb
index 310e4ee6fd..b525690284 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_integer_default_value_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_integer_default_value_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_integer_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_integer_spec.rb
index 3e69113a39..b40156fad9 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_integer_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_integer_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_spec.rb
index d196aa079e..c9a59704ed 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/outer_enum_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/pet_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/pet_spec.rb
index 74ea31c695..840b257fd6 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/pet_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/pet_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/read_only_first_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/read_only_first_spec.rb
index 960d289dde..e6e44f30f6 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/read_only_first_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/read_only_first_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/special_model_name_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/special_model_name_spec.rb
index c826438676..ab4e628d4d 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/special_model_name_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/special_model_name_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/tag_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/tag_spec.rb
index 72cf2dd511..72fbc4adcc 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/tag_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/tag_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/models/user_spec.rb b/samples/openapi3/client/petstore/ruby/spec/models/user_spec.rb
index d64a11e2b4..553ba47542 100644
--- a/samples/openapi3/client/petstore/ruby/spec/models/user_spec.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/models/user_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/spec/spec_helper.rb b/samples/openapi3/client/petstore/ruby/spec/spec_helper.rb
index 6b9663ca66..0d935b668c 100644
--- a/samples/openapi3/client/petstore/ruby/spec/spec_helper.rb
+++ b/samples/openapi3/client/petstore/ruby/spec/spec_helper.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.1-SNAPSHOT
+OpenAPI Generator version: 4.2.0-SNAPSHOT
 
 =end
 
diff --git a/samples/schema/petstore/mysql/.openapi-generator/VERSION b/samples/schema/petstore/mysql/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/schema/petstore/mysql/.openapi-generator/VERSION
+++ b/samples/schema/petstore/mysql/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/go-gin-api-server/.openapi-generator/VERSION b/samples/server/petstore/go-gin-api-server/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/go-gin-api-server/.openapi-generator/VERSION
+++ b/samples/server/petstore/go-gin-api-server/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/java-msf4j/.openapi-generator/VERSION b/samples/server/petstore/java-msf4j/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/java-msf4j/.openapi-generator/VERSION
+++ b/samples/server/petstore/java-msf4j/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-cxf-annotated-base-path/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-cxf-annotated-base-path/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-cxf-annotated-base-path/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-cxf-annotated-base-path/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-cxf-cdi/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-cxf-cdi/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-cxf-cdi/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-cxf-cdi/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-cxf-non-spring-app/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-cxf-non-spring-app/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-cxf-non-spring-app/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-cxf-non-spring-app/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-cxf/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-cxf/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-cxf/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-cxf/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-datelib-j8/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-datelib-j8/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-datelib-j8/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-datelib-j8/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-jersey/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-jersey/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-jersey/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-jersey/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-resteasy/default/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-resteasy/default/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-resteasy/default/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-resteasy/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-resteasy/eap-java8/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-resteasy/eap-java8/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-resteasy/eap-java8/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-resteasy/eap-java8/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-resteasy/eap-joda/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-resteasy/eap-joda/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-resteasy/eap-joda/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-resteasy/eap-joda/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-resteasy/eap/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-resteasy/eap/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-resteasy/eap/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-resteasy/eap/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-resteasy/joda/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-resteasy/joda/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-resteasy/joda/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-resteasy/joda/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs/jersey1-useTags/.openapi-generator/VERSION b/samples/server/petstore/jaxrs/jersey1-useTags/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs/jersey1-useTags/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs/jersey1-useTags/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs/jersey1/.openapi-generator/VERSION b/samples/server/petstore/jaxrs/jersey1/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs/jersey1/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs/jersey1/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs/jersey2-useTags/.openapi-generator/VERSION b/samples/server/petstore/jaxrs/jersey2-useTags/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs/jersey2-useTags/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs/jersey2-useTags/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION b/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION b/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION
+++ b/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/kotlin-server/ktor/README.md b/samples/server/petstore/kotlin-server/ktor/README.md
index b0c381f68a..318f632e22 100644
--- a/samples/server/petstore/kotlin-server/ktor/README.md
+++ b/samples/server/petstore/kotlin-server/ktor/README.md
@@ -2,7 +2,7 @@
 
 This is a sample server Petstore server. For this sample, you can use the api key &#x60;special-key&#x60; to test the authorization filters.
 
-Generated by OpenAPI Generator 4.1.1-SNAPSHOT.
+Generated by OpenAPI Generator 4.2.0-SNAPSHOT.
 
 ## Requires
 
diff --git a/samples/server/petstore/kotlin-springboot-reactive/.openapi-generator/VERSION b/samples/server/petstore/kotlin-springboot-reactive/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/kotlin-springboot-reactive/.openapi-generator/VERSION
+++ b/samples/server/petstore/kotlin-springboot-reactive/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/kotlin-springboot/.openapi-generator/VERSION b/samples/server/petstore/kotlin-springboot/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/kotlin-springboot/.openapi-generator/VERSION
+++ b/samples/server/petstore/kotlin-springboot/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/php-lumen/.openapi-generator/VERSION b/samples/server/petstore/php-lumen/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/php-lumen/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-lumen/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/php-silex/OpenAPIServer/.openapi-generator/VERSION b/samples/server/petstore/php-silex/OpenAPIServer/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/php-silex/OpenAPIServer/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-silex/OpenAPIServer/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/php-slim/.openapi-generator/VERSION b/samples/server/petstore/php-slim/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/php-slim/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-slim/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/php-symfony/SymfonyBundle-php/.openapi-generator/VERSION b/samples/server/petstore/php-symfony/SymfonyBundle-php/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/php-symfony/SymfonyBundle-php/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-symfony/SymfonyBundle-php/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/php-ze-ph/.openapi-generator/VERSION b/samples/server/petstore/php-ze-ph/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/php-ze-ph/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-ze-ph/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/rust-server/output/multipart-v3/.openapi-generator/VERSION b/samples/server/petstore/rust-server/output/multipart-v3/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/rust-server/output/multipart-v3/.openapi-generator/VERSION
+++ b/samples/server/petstore/rust-server/output/multipart-v3/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/rust-server/output/openapi-v3/.openapi-generator/VERSION b/samples/server/petstore/rust-server/output/openapi-v3/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/rust-server/output/openapi-v3/.openapi-generator/VERSION
+++ b/samples/server/petstore/rust-server/output/openapi-v3/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/rust-server/output/ops-v3/.openapi-generator/VERSION b/samples/server/petstore/rust-server/output/ops-v3/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/rust-server/output/ops-v3/.openapi-generator/VERSION
+++ b/samples/server/petstore/rust-server/output/ops-v3/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/.openapi-generator/VERSION b/samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/.openapi-generator/VERSION
+++ b/samples/server/petstore/rust-server/output/petstore-with-fake-endpoints-models-for-testing/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION b/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION
+++ b/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/spring-mvc-j8-async/.openapi-generator/VERSION b/samples/server/petstore/spring-mvc-j8-async/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/spring-mvc-j8-async/.openapi-generator/VERSION
+++ b/samples/server/petstore/spring-mvc-j8-async/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/AnotherFakeApi.java
index 9e2703747a..ebd3c20869 100644
--- a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeApi.java
index a785825832..13ac21ba72 100644
--- a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index 831a3ef701..cd60db168f 100644
--- a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/PetApi.java
index d4bdba6d8d..af62a9983e 100644
--- a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/StoreApi.java
index b4ec8f4ed0..40ed2e215d 100644
--- a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/UserApi.java
index 59364abcfb..2cb5bb7030 100644
--- a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-localdatetime/.openapi-generator/VERSION b/samples/server/petstore/spring-mvc-j8-localdatetime/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/spring-mvc-j8-localdatetime/.openapi-generator/VERSION
+++ b/samples/server/petstore/spring-mvc-j8-localdatetime/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/AnotherFakeApi.java
index 01e92d3abe..56f8b6cab1 100644
--- a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/FakeApi.java
index 3773cff1b6..817dc07715 100644
--- a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index 1ba2000a46..99ce09a52b 100644
--- a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/PetApi.java
index f9def84ffc..c34aa51cd2 100644
--- a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/StoreApi.java
index 88c0d12e9b..82e43a5cdf 100644
--- a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/UserApi.java
index 5c0e0aff2a..6405a14590 100644
--- a/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/spring-mvc-j8-localdatetime/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc/.openapi-generator/VERSION b/samples/server/petstore/spring-mvc/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/spring-mvc/.openapi-generator/VERSION
+++ b/samples/server/petstore/spring-mvc/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/AnotherFakeApi.java
index ae56d42d50..29e4ca2bd6 100644
--- a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/FakeApi.java
index 318dd09fa7..bed5ab6e9c 100644
--- a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index 9e44a58698..14260cfa17 100644
--- a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/PetApi.java
index 1d3c60abb9..a231e04de5 100644
--- a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/StoreApi.java
index b052ab392c..4ebdc878fd 100644
--- a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/UserApi.java
index ece84b50e5..f1f83bdca8 100644
--- a/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/spring-mvc/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-beanvalidation/.openapi-generator/VERSION b/samples/server/petstore/springboot-beanvalidation/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/springboot-beanvalidation/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-beanvalidation/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/AnotherFakeApi.java
index ae56d42d50..29e4ca2bd6 100644
--- a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/FakeApi.java
index 318dd09fa7..bed5ab6e9c 100644
--- a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index 9e44a58698..14260cfa17 100644
--- a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/PetApi.java
index 1d3c60abb9..a231e04de5 100644
--- a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/StoreApi.java
index b052ab392c..4ebdc878fd 100644
--- a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/UserApi.java
index ece84b50e5..f1f83bdca8 100644
--- a/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/springboot-beanvalidation/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate-j8/.openapi-generator/VERSION b/samples/server/petstore/springboot-delegate-j8/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/springboot-delegate-j8/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-delegate-j8/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/AnotherFakeApi.java
index eb024c9ea0..61caaee84b 100644
--- a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/FakeApi.java
index 9a0eed0397..c4b5d9f05d 100644
--- a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index fd2741a860..e272a56599 100644
--- a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/PetApi.java
index 572b10c931..87b5c959a0 100644
--- a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/StoreApi.java
index 8942a0faf2..5dde5c32cd 100644
--- a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/UserApi.java
index 39eb0d9a6c..06a8c414ec 100644
--- a/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/springboot-delegate-j8/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate/.openapi-generator/VERSION b/samples/server/petstore/springboot-delegate/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/springboot-delegate/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-delegate/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/AnotherFakeApi.java
index ae56d42d50..29e4ca2bd6 100644
--- a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/FakeApi.java
index 318dd09fa7..bed5ab6e9c 100644
--- a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index 9e44a58698..14260cfa17 100644
--- a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/PetApi.java
index 1d3c60abb9..a231e04de5 100644
--- a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/StoreApi.java
index b052ab392c..4ebdc878fd 100644
--- a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/UserApi.java
index ece84b50e5..f1f83bdca8 100644
--- a/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/springboot-delegate/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-implicitHeaders/.openapi-generator/VERSION b/samples/server/petstore/springboot-implicitHeaders/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/springboot-implicitHeaders/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-implicitHeaders/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/AnotherFakeApi.java
index c7a9cad5f8..77f7f58d0b 100644
--- a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/FakeApi.java
index 5be814af9b..4543ca9daf 100644
--- a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index a65c7cbac7..a2574a26a0 100644
--- a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/PetApi.java
index eb29a6c04e..162aefe115 100644
--- a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/StoreApi.java
index 2d7dcf179f..8bc11c1787 100644
--- a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/UserApi.java
index 63961ea118..c8f4495a24 100644
--- a/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/springboot-implicitHeaders/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-reactive/.openapi-generator/VERSION b/samples/server/petstore/springboot-reactive/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/springboot-reactive/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-reactive/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/AnotherFakeApi.java
index 7f97ef68a9..b15ee20da3 100644
--- a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/FakeApi.java
index 07695c6ec8..8dea7ae167 100644
--- a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index 826924b765..32b84aeeab 100644
--- a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/PetApi.java
index 495d102739..818d9e59e7 100644
--- a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/StoreApi.java
index 5fac0dddba..ce37da6ee8 100644
--- a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/UserApi.java
index 6ead7c75e2..25b14fc453 100644
--- a/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/springboot-reactive/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-useoptional/.openapi-generator/VERSION b/samples/server/petstore/springboot-useoptional/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/springboot-useoptional/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-useoptional/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/AnotherFakeApi.java
index 01e92d3abe..56f8b6cab1 100644
--- a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/FakeApi.java
index eaa3162bec..52ccd94e72 100644
--- a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index 1ba2000a46..99ce09a52b 100644
--- a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/PetApi.java
index 487002c0e1..0932afdb3b 100644
--- a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/StoreApi.java
index 88c0d12e9b..82e43a5cdf 100644
--- a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/UserApi.java
index 5c0e0aff2a..6405a14590 100644
--- a/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/springboot-useoptional/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-virtualan/.openapi-generator/VERSION b/samples/server/petstore/springboot-virtualan/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/springboot-virtualan/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-virtualan/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/AnotherFakeApi.java b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/AnotherFakeApi.java
index 87185f50d1..e2e6106cfd 100644
--- a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/AnotherFakeApi.java
+++ b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/FakeApi.java b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/FakeApi.java
index 73ae14b090..6d4952a05b 100644
--- a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/FakeApi.java
+++ b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/FakeClassnameTestApi.java b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/FakeClassnameTestApi.java
index 46c60a1d11..ddcb67f1e9 100644
--- a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/PetApi.java b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/PetApi.java
index b5804d2e06..d464099eb0 100644
--- a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/PetApi.java
+++ b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/StoreApi.java b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/StoreApi.java
index d224f1ffef..41b91cc43a 100644
--- a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/StoreApi.java
+++ b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/UserApi.java b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/UserApi.java
index 8545012843..9e5e0b9779 100644
--- a/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/UserApi.java
+++ b/samples/server/petstore/springboot-virtualan/src/main/java/org/openapitools/virtualan/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot/.openapi-generator/VERSION b/samples/server/petstore/springboot/.openapi-generator/VERSION
index 2f81801b79..c3a2c7076f 100644
--- a/samples/server/petstore/springboot/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.1-SNAPSHOT
\ No newline at end of file
+4.2.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/AnotherFakeApi.java
index 01e92d3abe..56f8b6cab1 100644
--- a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/FakeApi.java b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/FakeApi.java
index 57721a746f..c5c7c4e7cc 100644
--- a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/FakeApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/FakeClassnameTestApi.java b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
index 1ba2000a46..99ce09a52b 100644
--- a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
+++ b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/FakeClassnameTestApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/PetApi.java b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/PetApi.java
index f9def84ffc..c34aa51cd2 100644
--- a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/PetApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/StoreApi.java b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/StoreApi.java
index 88c0d12e9b..82e43a5cdf 100644
--- a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/StoreApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */
diff --git a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/UserApi.java b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/UserApi.java
index 5c0e0aff2a..6405a14590 100644
--- a/samples/server/petstore/springboot/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/server/petstore/springboot/src/main/java/org/openapitools/api/UserApi.java
@@ -1,5 +1,5 @@
 /**
- * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.1.1-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (4.2.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */