diff --git a/modules/openapi-generator-cli/pom.xml b/modules/openapi-generator-cli/pom.xml
index 41d48295c0..269786d275 100644
--- a/modules/openapi-generator-cli/pom.xml
+++ b/modules/openapi-generator-cli/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
-        <version>4.1.0-SNAPSHOT</version>
+        <version>5.0.0-SNAPSHOT</version>
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diff --git a/modules/openapi-generator-core/pom.xml b/modules/openapi-generator-core/pom.xml
index e63b7dac54..0353508d25 100644
--- a/modules/openapi-generator-core/pom.xml
+++ b/modules/openapi-generator-core/pom.xml
@@ -5,7 +5,7 @@
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     <artifactId>openapi-generator-project</artifactId>
     <groupId>org.openapitools</groupId>
-    <version>4.1.0-SNAPSHOT</version>
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diff --git a/modules/openapi-generator-gradle-plugin/pom.xml b/modules/openapi-generator-gradle-plugin/pom.xml
index 6283593068..4c6dc3d344 100644
--- a/modules/openapi-generator-gradle-plugin/pom.xml
+++ b/modules/openapi-generator-gradle-plugin/pom.xml
@@ -3,7 +3,7 @@
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diff --git a/modules/openapi-generator-maven-plugin/pom.xml b/modules/openapi-generator-maven-plugin/pom.xml
index 0ec7803e88..d1cf02880c 100644
--- a/modules/openapi-generator-maven-plugin/pom.xml
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@@ -4,7 +4,7 @@
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         <groupId>org.openapitools</groupId>
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diff --git a/modules/openapi-generator-online/pom.xml b/modules/openapi-generator-online/pom.xml
index 79e1ccfa07..2391ee2d68 100644
--- a/modules/openapi-generator-online/pom.xml
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@@ -3,7 +3,7 @@
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diff --git a/modules/openapi-generator/pom.xml b/modules/openapi-generator/pom.xml
index 53fc6efe31..22a5adefe1 100644
--- a/modules/openapi-generator/pom.xml
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@@ -3,7 +3,7 @@
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         <groupId>org.openapitools</groupId>
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diff --git a/pom.xml b/pom.xml
index 6c10087fa7..57092603e6 100644
--- a/pom.xml
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@@ -9,7 +9,7 @@
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diff --git a/samples/client/petstore/R/.openapi-generator/VERSION b/samples/client/petstore/R/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/R/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
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index 83a328a922..d99e7162d0 100644
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index 83a328a922..d99e7162d0 100644
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/groovy/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/haskell-http-client/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/feign/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
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@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/google-api-client/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/jersey2-java6/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/jersey2-java8/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
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index 83a328a922..d99e7162d0 100644
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index 83a328a922..d99e7162d0 100644
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/rest-assured/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/resteasy/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/resttemplate-withXml/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/resttemplate/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/retrofit/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/retrofit2-play24/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/retrofit2-play25/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/retrofit2/.openapi-generator/VERSION
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@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/retrofit2rx/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/retrofit2rx2/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/vertx/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/vertx/.openapi-generator/VERSION
@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/java/webclient/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/javascript-es6/.openapi-generator/VERSION
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index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/javascript-promise/.openapi-generator/VERSION
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diff --git a/samples/client/petstore/javascript-promise/src/ApiClient.js b/samples/client/petstore/javascript-promise/src/ApiClient.js
index d925f12d58..be4fb16128 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
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- * OpenAPI Generator version: 4.1.0-SNAPSHOT
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  *
  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/api/AnotherFakeApi.js b/samples/client/petstore/javascript-promise/src/api/AnotherFakeApi.js
index 378918f435..e6cbc4e382 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/api/FakeApi.js b/samples/client/petstore/javascript-promise/src/api/FakeApi.js
index bccf87b9f3..da2b40fbeb 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
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- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/api/FakeClassnameTags123Api.js b/samples/client/petstore/javascript-promise/src/api/FakeClassnameTags123Api.js
index 382507fb3f..eae522bf63 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * 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 268dc614e3..c50e428399 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 afc4eae0b5..eb7d5a60a6 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 e41446e5e1..49ef65019d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d172e7c3e0..db56a55b21 100644
--- a/samples/client/petstore/javascript-promise/src/index.js
+++ b/samples/client/petstore/javascript-promise/src/index.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 73b58a733b..9774ac3399 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesAnyType.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesAnyType.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3a1f4ecc9d..44c2f9b390 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesArray.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesArray.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
  *
  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesBoolean.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesBoolean.js
index 5306f6bd01..c1ad7844f5 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesBoolean.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesBoolean.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 bd62237ca2..2b19a95b48 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesClass.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesInteger.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesInteger.js
index 8f678419e2..295febe364 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesInteger.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesInteger.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesNumber.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesNumber.js
index 651c8894aa..f0b20ec0bb 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesNumber.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesNumber.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesObject.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesObject.js
index b5180bbe82..e219405155 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesObject.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesObject.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesString.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesString.js
index 9181dac601..ce82a0e752 100644
--- a/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesString.js
+++ b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesString.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * 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 4477ebc5a9..b46bc005c7 100644
--- a/samples/client/petstore/javascript-promise/src/model/Animal.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/ApiResponse.js b/samples/client/petstore/javascript-promise/src/model/ApiResponse.js
index c7d3ebad56..5e9e0b16ee 100644
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/ArrayOfArrayOfNumberOnly.js b/samples/client/petstore/javascript-promise/src/model/ArrayOfArrayOfNumberOnly.js
index ab73a6916d..13cae7cf90 100644
--- a/samples/client/petstore/javascript-promise/src/model/ArrayOfArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript-promise/src/model/ArrayOfArrayOfNumberOnly.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
  *
  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/ArrayOfNumberOnly.js b/samples/client/petstore/javascript-promise/src/model/ArrayOfNumberOnly.js
index b82c364903..a2a51049e7 100644
--- a/samples/client/petstore/javascript-promise/src/model/ArrayOfNumberOnly.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/ArrayTest.js b/samples/client/petstore/javascript-promise/src/model/ArrayTest.js
index 4e4a96d085..78739e4a4d 100644
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+++ b/samples/client/petstore/javascript-promise/src/model/ArrayTest.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/Capitalization.js b/samples/client/petstore/javascript-promise/src/model/Capitalization.js
index 30232f689d..ed0dc0b616 100644
--- a/samples/client/petstore/javascript-promise/src/model/Capitalization.js
+++ b/samples/client/petstore/javascript-promise/src/model/Capitalization.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/Cat.js b/samples/client/petstore/javascript-promise/src/model/Cat.js
index 415bd14582..fcc9e7bf67 100644
--- a/samples/client/petstore/javascript-promise/src/model/Cat.js
+++ b/samples/client/petstore/javascript-promise/src/model/Cat.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript-promise/src/model/CatAllOf.js b/samples/client/petstore/javascript-promise/src/model/CatAllOf.js
index 6b26f6e753..78465ea099 100644
--- a/samples/client/petstore/javascript-promise/src/model/CatAllOf.js
+++ b/samples/client/petstore/javascript-promise/src/model/CatAllOf.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/Category.js b/samples/client/petstore/javascript-promise/src/model/Category.js
index 20f5627520..1093447028 100644
--- a/samples/client/petstore/javascript-promise/src/model/Category.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/ClassModel.js b/samples/client/petstore/javascript-promise/src/model/ClassModel.js
index b8ecf485e6..47e80df542 100644
--- a/samples/client/petstore/javascript-promise/src/model/ClassModel.js
+++ b/samples/client/petstore/javascript-promise/src/model/ClassModel.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/Client.js b/samples/client/petstore/javascript-promise/src/model/Client.js
index 42cabd2a03..ea7bfcafba 100644
--- a/samples/client/petstore/javascript-promise/src/model/Client.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/Dog.js b/samples/client/petstore/javascript-promise/src/model/Dog.js
index 21820fddb0..f69a203858 100644
--- a/samples/client/petstore/javascript-promise/src/model/Dog.js
+++ b/samples/client/petstore/javascript-promise/src/model/Dog.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/DogAllOf.js b/samples/client/petstore/javascript-promise/src/model/DogAllOf.js
index 4110fbfd30..a531669f53 100644
--- a/samples/client/petstore/javascript-promise/src/model/DogAllOf.js
+++ b/samples/client/petstore/javascript-promise/src/model/DogAllOf.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/EnumArrays.js b/samples/client/petstore/javascript-promise/src/model/EnumArrays.js
index b8b3dc3757..78fe939c4b 100644
--- a/samples/client/petstore/javascript-promise/src/model/EnumArrays.js
+++ b/samples/client/petstore/javascript-promise/src/model/EnumArrays.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/EnumClass.js b/samples/client/petstore/javascript-promise/src/model/EnumClass.js
index d1e33b4d8e..d4f668246b 100644
--- a/samples/client/petstore/javascript-promise/src/model/EnumClass.js
+++ b/samples/client/petstore/javascript-promise/src/model/EnumClass.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/EnumTest.js b/samples/client/petstore/javascript-promise/src/model/EnumTest.js
index 0083ab49b0..997ac55f5d 100644
--- a/samples/client/petstore/javascript-promise/src/model/EnumTest.js
+++ b/samples/client/petstore/javascript-promise/src/model/EnumTest.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/File.js b/samples/client/petstore/javascript-promise/src/model/File.js
index 0d270851df..109a6e5526 100644
--- a/samples/client/petstore/javascript-promise/src/model/File.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/FileSchemaTestClass.js b/samples/client/petstore/javascript-promise/src/model/FileSchemaTestClass.js
index 9461ed3171..22f10496e4 100644
--- a/samples/client/petstore/javascript-promise/src/model/FileSchemaTestClass.js
+++ b/samples/client/petstore/javascript-promise/src/model/FileSchemaTestClass.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/FormatTest.js b/samples/client/petstore/javascript-promise/src/model/FormatTest.js
index 050a26eccb..3b5c5de06d 100644
--- a/samples/client/petstore/javascript-promise/src/model/FormatTest.js
+++ b/samples/client/petstore/javascript-promise/src/model/FormatTest.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/HasOnlyReadOnly.js b/samples/client/petstore/javascript-promise/src/model/HasOnlyReadOnly.js
index 9b2205f028..a48fa374d9 100644
--- a/samples/client/petstore/javascript-promise/src/model/HasOnlyReadOnly.js
+++ b/samples/client/petstore/javascript-promise/src/model/HasOnlyReadOnly.js
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/List.js b/samples/client/petstore/javascript-promise/src/model/List.js
index 288cd0f916..d27fdd125e 100644
--- a/samples/client/petstore/javascript-promise/src/model/List.js
+++ b/samples/client/petstore/javascript-promise/src/model/List.js
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- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/MapTest.js b/samples/client/petstore/javascript-promise/src/model/MapTest.js
index 6d50eff835..aa9a1a5b4e 100644
--- a/samples/client/petstore/javascript-promise/src/model/MapTest.js
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- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript-promise/src/model/MixedPropertiesAndAdditionalPropertiesClass.js b/samples/client/petstore/javascript-promise/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
index 4c5ab29b9e..bc98f6da1f 100644
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+++ 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 e5c9e8c5e7..6ded236af2 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 eddfd298fd..1d19b387c3 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 80eeb127d2..c3e29dd84f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a71b576260..a51aff7a97 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 699e9fc673..20f551b4e2 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 faf1409f5b..2197245f64 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 5cf00a1d8d..ef94683a82 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 114ccfd7b1..5f5c3e2b6f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 51720fc94d..e5e7a71b4b 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3b9f178097..2ebce770f7 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 2bfb449378..64a07da1a7 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 10413cd990..73386a8433 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 dc1e94db3a..f1c14ad157 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c593bbd335..967d15b018 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d10fa246a7..244eb73f03 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/javascript/.openapi-generator/VERSION
+++ b/samples/client/petstore/javascript/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 2f95d354aa..6c4b08541d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a205bd82cb..54709c871e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 fbc5aef79d..cc57490624 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 957408b720..8ef462bffc 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 6c6f509fc1..7af853c712 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 aaa4b5f23e..11ba830249 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3d6e941a08..a65ce3b944 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d172e7c3e0..db56a55b21 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 73b58a733b..9774ac3399 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3a1f4ecc9d..44c2f9b390 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 5306f6bd01..c1ad7844f5 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 bd62237ca2..2b19a95b48 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 8f678419e2..295febe364 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 651c8894aa..f0b20ec0bb 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b5180bbe82..e219405155 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 9181dac601..ce82a0e752 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 4477ebc5a9..b46bc005c7 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c7d3ebad56..5e9e0b16ee 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ab73a6916d..13cae7cf90 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b82c364903..a2a51049e7 100644
--- a/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
@@ -7,7 +7,7 @@
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  *
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/ArrayTest.js b/samples/client/petstore/javascript/src/model/ArrayTest.js
index 4e4a96d085..78739e4a4d 100644
--- a/samples/client/petstore/javascript/src/model/ArrayTest.js
+++ b/samples/client/petstore/javascript/src/model/ArrayTest.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/Capitalization.js b/samples/client/petstore/javascript/src/model/Capitalization.js
index 30232f689d..ed0dc0b616 100644
--- a/samples/client/petstore/javascript/src/model/Capitalization.js
+++ b/samples/client/petstore/javascript/src/model/Capitalization.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/Cat.js b/samples/client/petstore/javascript/src/model/Cat.js
index 415bd14582..fcc9e7bf67 100644
--- a/samples/client/petstore/javascript/src/model/Cat.js
+++ b/samples/client/petstore/javascript/src/model/Cat.js
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  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/CatAllOf.js b/samples/client/petstore/javascript/src/model/CatAllOf.js
index 6b26f6e753..78465ea099 100644
--- a/samples/client/petstore/javascript/src/model/CatAllOf.js
+++ b/samples/client/petstore/javascript/src/model/CatAllOf.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/Category.js b/samples/client/petstore/javascript/src/model/Category.js
index 20f5627520..1093447028 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/ClassModel.js b/samples/client/petstore/javascript/src/model/ClassModel.js
index b8ecf485e6..47e80df542 100644
--- a/samples/client/petstore/javascript/src/model/ClassModel.js
+++ b/samples/client/petstore/javascript/src/model/ClassModel.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/Client.js b/samples/client/petstore/javascript/src/model/Client.js
index 42cabd2a03..ea7bfcafba 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/Dog.js b/samples/client/petstore/javascript/src/model/Dog.js
index 21820fddb0..f69a203858 100644
--- a/samples/client/petstore/javascript/src/model/Dog.js
+++ b/samples/client/petstore/javascript/src/model/Dog.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/DogAllOf.js b/samples/client/petstore/javascript/src/model/DogAllOf.js
index 4110fbfd30..a531669f53 100644
--- a/samples/client/petstore/javascript/src/model/DogAllOf.js
+++ b/samples/client/petstore/javascript/src/model/DogAllOf.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/EnumArrays.js b/samples/client/petstore/javascript/src/model/EnumArrays.js
index b8b3dc3757..78fe939c4b 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
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- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/EnumClass.js b/samples/client/petstore/javascript/src/model/EnumClass.js
index d1e33b4d8e..d4f668246b 100644
--- a/samples/client/petstore/javascript/src/model/EnumClass.js
+++ b/samples/client/petstore/javascript/src/model/EnumClass.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/EnumTest.js b/samples/client/petstore/javascript/src/model/EnumTest.js
index 0083ab49b0..997ac55f5d 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).
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  *
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/File.js b/samples/client/petstore/javascript/src/model/File.js
index 0d270851df..109a6e5526 100644
--- a/samples/client/petstore/javascript/src/model/File.js
+++ b/samples/client/petstore/javascript/src/model/File.js
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js b/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js
index 9461ed3171..22f10496e4 100644
--- a/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js
+++ b/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/FormatTest.js b/samples/client/petstore/javascript/src/model/FormatTest.js
index 050a26eccb..3b5c5de06d 100644
--- a/samples/client/petstore/javascript/src/model/FormatTest.js
+++ b/samples/client/petstore/javascript/src/model/FormatTest.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js b/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
index 9b2205f028..a48fa374d9 100644
--- a/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
+++ b/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/List.js b/samples/client/petstore/javascript/src/model/List.js
index 288cd0f916..d27fdd125e 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).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/MapTest.js b/samples/client/petstore/javascript/src/model/MapTest.js
index 6d50eff835..aa9a1a5b4e 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).
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- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js b/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
index 4c5ab29b9e..bc98f6da1f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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  * Do not edit the class manually.
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diff --git a/samples/client/petstore/javascript/src/model/Model200Response.js b/samples/client/petstore/javascript/src/model/Model200Response.js
index e5c9e8c5e7..6ded236af2 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/ModelReturn.js b/samples/client/petstore/javascript/src/model/ModelReturn.js
index eddfd298fd..1d19b387c3 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/Name.js b/samples/client/petstore/javascript/src/model/Name.js
index 80eeb127d2..c3e29dd84f 100644
--- a/samples/client/petstore/javascript/src/model/Name.js
+++ b/samples/client/petstore/javascript/src/model/Name.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/NumberOnly.js b/samples/client/petstore/javascript/src/model/NumberOnly.js
index a71b576260..a51aff7a97 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).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/Order.js b/samples/client/petstore/javascript/src/model/Order.js
index 699e9fc673..20f551b4e2 100644
--- a/samples/client/petstore/javascript/src/model/Order.js
+++ b/samples/client/petstore/javascript/src/model/Order.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/OuterComposite.js b/samples/client/petstore/javascript/src/model/OuterComposite.js
index faf1409f5b..2197245f64 100644
--- a/samples/client/petstore/javascript/src/model/OuterComposite.js
+++ b/samples/client/petstore/javascript/src/model/OuterComposite.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/OuterEnum.js b/samples/client/petstore/javascript/src/model/OuterEnum.js
index 5cf00a1d8d..ef94683a82 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).
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diff --git a/samples/client/petstore/javascript/src/model/Pet.js b/samples/client/petstore/javascript/src/model/Pet.js
index 114ccfd7b1..5f5c3e2b6f 100644
--- a/samples/client/petstore/javascript/src/model/Pet.js
+++ b/samples/client/petstore/javascript/src/model/Pet.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js b/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
index 51720fc94d..e5e7a71b4b 100644
--- a/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
+++ b/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/model/SpecialModelName.js b/samples/client/petstore/javascript/src/model/SpecialModelName.js
index 3b9f178097..2ebce770f7 100644
--- a/samples/client/petstore/javascript/src/model/SpecialModelName.js
+++ b/samples/client/petstore/javascript/src/model/SpecialModelName.js
@@ -7,7 +7,7 @@
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diff --git a/samples/client/petstore/javascript/src/model/Tag.js b/samples/client/petstore/javascript/src/model/Tag.js
index 2bfb449378..64a07da1a7 100644
--- a/samples/client/petstore/javascript/src/model/Tag.js
+++ b/samples/client/petstore/javascript/src/model/Tag.js
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diff --git a/samples/client/petstore/javascript/src/model/TypeHolderDefault.js b/samples/client/petstore/javascript/src/model/TypeHolderDefault.js
index 10413cd990..73386a8433 100644
--- a/samples/client/petstore/javascript/src/model/TypeHolderDefault.js
+++ b/samples/client/petstore/javascript/src/model/TypeHolderDefault.js
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diff --git a/samples/client/petstore/javascript/src/model/TypeHolderExample.js b/samples/client/petstore/javascript/src/model/TypeHolderExample.js
index dc1e94db3a..f1c14ad157 100644
--- a/samples/client/petstore/javascript/src/model/TypeHolderExample.js
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diff --git a/samples/client/petstore/javascript/src/model/User.js b/samples/client/petstore/javascript/src/model/User.js
index c593bbd335..967d15b018 100644
--- a/samples/client/petstore/javascript/src/model/User.js
+++ b/samples/client/petstore/javascript/src/model/User.js
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  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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diff --git a/samples/client/petstore/javascript/src/model/XmlItem.js b/samples/client/petstore/javascript/src/model/XmlItem.js
index d10fa246a7..244eb73f03 100644
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@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION
+++ b/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 b78f0f310b..30e6dfe67a 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 7352afe5c6..5f5ce4a801 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 38f93ed957..1b91938ffa 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 369e578510..e7293c4ec8 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c9d394c6bc..324df90cc5 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 12f4fe9809..1b32db09a8 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/ApiException.php b/samples/client/petstore/php/OpenAPIClient-php/lib/ApiException.php
index b8ec60f9e9..83dd6134b7 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php b/samples/client/petstore/php/OpenAPIClient-php/lib/Configuration.php
index 5bc1ac15ac..5942ddea29 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php b/samples/client/petstore/php/OpenAPIClient-php/lib/HeaderSelector.php
index 4e4091726a..31036ed2c2 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3b8b4612de..45ee6c3fa0 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b9f80292c7..98c1db1c3c 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 0935afc626..7cf22f3c8b 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 0dc0123415..f4bce47a06 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 2c812b25e6..deb89598c2 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 fd79e50705..ec9c10a6a9 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 55d4138250..eced5f95b2 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 cbd82cbfa0..e2b38d07ca 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b5b1b28055..8d393cd46e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d438ba4288..a0eec76fb2 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 29186e6bb5..75ba65a653 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 aa47c6b47d..2d8a69af9c 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 32d8792607..06f9381522 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3529cefaa1..31185f7e49 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 bba97a6ca7..c6dd8eb5be 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ea9af0e3c3..b43ab323bf 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 9bcb8e9cd8..4f88d087ce 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 5792577511..852ab655be 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1eea5d0899..44575345cf 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 227eb0aaf7..03651f3a43 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a70ae53fbc..3c27d1a63f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 938c787b0e..878076d59d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f14dc2bff3..4821949ea0 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 7e454f6286..a0622c4ea5 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 85fc4184a0..53099d3e9d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 fdad10d436..e18374d4ba 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 312bdf9cd6..6fcf3c831b 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ad8c4cac37..4a698f5d7e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 e039e474d2..aa91136ec8 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 624813bf0e..499e030a0f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 04199bad53..a9500d8edd 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 68e093dc88..79bcab1ca9 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b8925b7ecc..56126650a1 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c20a8d23a2..7686d24343 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 809c9c6243..4dc114c4b6 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 79f96d52fd..a7c77af559 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 677ccb106f..a19bf5e46f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 657654ce9e..92ad76b5fe 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f341400c11..84e8aa7520 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b66ccee7cf..9a0ae8ff13 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 6925a9ef15..79dbdc8a3d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 64e88049d7..a1a028d0b6 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 79132e8b0c..5fc4330b28 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 2cab44106d..5cfc539f6a 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 82926a0c64..7eb15dde06 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 669360fee5..547b07c552 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a2a690ad4d..93516e9fce 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php b/samples/client/petstore/php/OpenAPIClient-php/lib/ObjectSerializer.php
index 1dfe2db9f6..66211bee8d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 53ee52ccbc..f7ebb34cc9 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 beaf7ec347..7b736b8061 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3831b1e2df..25ee8db101 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 bfdcc5d6e8..49a00a98ae 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 4799a949fa..9e1ca34294 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 6c4ec889b2..036f9d0fce 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 127df02309..8daebca96f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 91cad352f7..a02060cd31 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 9228e312e3..a859f118bc 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ad95a50939..0deed6ba84 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 562b5e6a22..a2ad19f3a6 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b502d7d989..adbb587d9c 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 973bed6dc9..cb978d8260 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 0d739feed1..9086aac5dd 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c534223842..22b4da2027 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 89656b032c..769fb14380 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1080f7a6b9..3888a2acbc 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3aac20d534..01739a814f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 56c06699e5..091dbcd841 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d72763b175..48852ba556 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 515164ea4b..93093478e7 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 8eaba70e32..53f1a0aa49 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1f3c307205..ae8a8b2564 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 6ff7e3b413..cc76f2903b 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 86715c7394..2cf8004476 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c5d7e6b5a3..0f6f81ae75 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 0d504dbd2c..9594626785 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 092f5f2a3a..970a127d25 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c5e6c97735..79b5918d80 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 4cf96be1a9..8cbc69bb7b 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 9224e29fdb..3cc7df9e6e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ca5a839132..86b34f5cca 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c7f054bb5d..cd66f6d94c 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 781e9ea05b..68a4b0dc43 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 988f84325b..42ddddff86 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 e9c0be20db..d9c8a9bb5a 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f1642dde44..5fcb629906 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 09780d92b5..f6fd81b3ca 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f434b7022f..4c9c784f62 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 4bb7896b08..02232a6d16 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1dfde7afc1..d89a2460ce 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d75e55996a..aefed931c9 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 13a8caae0c..3d40922145 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f4dc59e100..ac3865d731 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a0a132187b..975ea9134d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 2af7be4caf..a3d27b5bd4 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 6ecf877b9e..2b42e29c51 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 56eeb12d85..f375ba8096 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 0cdc184355..15bbe96a10 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a677e810f7..8bc55218f8 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 8ba90d5289..9672d99f1e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 9ffd08c51d..4b7f555c89 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/client/petstore/python-asyncio/.openapi-generator/VERSION b/samples/client/petstore/python-asyncio/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/python-asyncio/.openapi-generator/VERSION
+++ b/samples/client/petstore/python-asyncio/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/python-tornado/.openapi-generator/VERSION
+++ b/samples/client/petstore/python-tornado/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/python/.openapi-generator/VERSION
+++ b/samples/client/petstore/python/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/ruby/.openapi-generator/VERSION b/samples/client/petstore/ruby/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/ruby/.openapi-generator/VERSION
+++ b/samples/client/petstore/ruby/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/ruby/lib/petstore.rb b/samples/client/petstore/ruby/lib/petstore.rb
index 52e3ec8724..4740de936c 100644
--- a/samples/client/petstore/ruby/lib/petstore.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/api/another_fake_api.rb b/samples/client/petstore/ruby/lib/petstore/api/another_fake_api.rb
index 928633620c..9c49161fd3 100644
--- a/samples/client/petstore/ruby/lib/petstore/api/another_fake_api.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/api/fake_api.rb b/samples/client/petstore/ruby/lib/petstore/api/fake_api.rb
index 662bc954c8..d6172825e2 100644
--- a/samples/client/petstore/ruby/lib/petstore/api/fake_api.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/api/fake_classname_tags123_api.rb b/samples/client/petstore/ruby/lib/petstore/api/fake_classname_tags123_api.rb
index af26f5ea8b..a620f0c069 100644
--- a/samples/client/petstore/ruby/lib/petstore/api/fake_classname_tags123_api.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/api/pet_api.rb b/samples/client/petstore/ruby/lib/petstore/api/pet_api.rb
index 34c189d9d0..7678981de6 100644
--- a/samples/client/petstore/ruby/lib/petstore/api/pet_api.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/api/store_api.rb b/samples/client/petstore/ruby/lib/petstore/api/store_api.rb
index 9d08b7a2b4..e6d8231cc4 100644
--- a/samples/client/petstore/ruby/lib/petstore/api/store_api.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/api/user_api.rb b/samples/client/petstore/ruby/lib/petstore/api/user_api.rb
index 381e4c297a..5837194ed5 100644
--- a/samples/client/petstore/ruby/lib/petstore/api/user_api.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/api_client.rb b/samples/client/petstore/ruby/lib/petstore/api_client.rb
index 21197e84b3..a3a78d4b76 100644
--- a/samples/client/petstore/ruby/lib/petstore/api_client.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/api_error.rb b/samples/client/petstore/ruby/lib/petstore/api_error.rb
index 9eab46a89b..337c5c7002 100644
--- a/samples/client/petstore/ruby/lib/petstore/api_error.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/configuration.rb b/samples/client/petstore/ruby/lib/petstore/configuration.rb
index e74a2a38ff..407cd63983 100644
--- a/samples/client/petstore/ruby/lib/petstore/configuration.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_any_type.rb b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_any_type.rb
index d2af1ba5b3..2796cc1037 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_any_type.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_any_type.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_array.rb b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_array.rb
index 621e290e15..f577726426 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_array.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_array.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_boolean.rb b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_boolean.rb
index 787951bf68..ad463ebcb4 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_boolean.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_boolean.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_class.rb b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_class.rb
index 27f9768fb8..1842fd4814 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_class.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_integer.rb b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_integer.rb
index 5ed4bd9381..3a3f4bae41 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_integer.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_integer.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_number.rb b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_number.rb
index 3499c090be..9558c78e7a 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_number.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_number.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_object.rb b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_object.rb
index fd957eb08f..8b0583e4fe 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_object.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_object.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_string.rb b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_string.rb
index ca5e538595..2718038deb 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/additional_properties_string.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/additional_properties_string.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/animal.rb b/samples/client/petstore/ruby/lib/petstore/models/animal.rb
index 396199ca41..f12f35a3fb 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/animal.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/api_response.rb b/samples/client/petstore/ruby/lib/petstore/models/api_response.rb
index 998250d20a..45322966bc 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/api_response.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/array_of_array_of_number_only.rb b/samples/client/petstore/ruby/lib/petstore/models/array_of_array_of_number_only.rb
index 99aa9482fa..cabaf4e8ca 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/array_of_array_of_number_only.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/array_of_number_only.rb b/samples/client/petstore/ruby/lib/petstore/models/array_of_number_only.rb
index e7da1699d4..a285dd3e89 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/array_of_number_only.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/array_test.rb b/samples/client/petstore/ruby/lib/petstore/models/array_test.rb
index 121bff2f02..cb66978d71 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/array_test.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/capitalization.rb b/samples/client/petstore/ruby/lib/petstore/models/capitalization.rb
index 02567bdfd4..ae6779e93d 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/capitalization.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/cat.rb b/samples/client/petstore/ruby/lib/petstore/models/cat.rb
index 51ab33355e..8bc81970c3 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/cat.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/cat_all_of.rb b/samples/client/petstore/ruby/lib/petstore/models/cat_all_of.rb
index a971e6f556..1f825aad89 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/cat_all_of.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/category.rb b/samples/client/petstore/ruby/lib/petstore/models/category.rb
index 344ca69065..841876180d 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/category.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/class_model.rb b/samples/client/petstore/ruby/lib/petstore/models/class_model.rb
index 01b2b965d6..8fe3f0f3d6 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/class_model.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/client.rb b/samples/client/petstore/ruby/lib/petstore/models/client.rb
index 830ab1d0f0..52f71511b6 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/client.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/dog.rb b/samples/client/petstore/ruby/lib/petstore/models/dog.rb
index 07c31216bc..a94a6581d0 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/dog.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/dog_all_of.rb b/samples/client/petstore/ruby/lib/petstore/models/dog_all_of.rb
index 18cf619772..8bedfe8384 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/dog_all_of.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/enum_arrays.rb b/samples/client/petstore/ruby/lib/petstore/models/enum_arrays.rb
index 1f12cb43b9..6499e6c938 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/enum_arrays.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/enum_class.rb b/samples/client/petstore/ruby/lib/petstore/models/enum_class.rb
index 406b0dccc9..69fcebec61 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/enum_class.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/enum_test.rb b/samples/client/petstore/ruby/lib/petstore/models/enum_test.rb
index 0a2b987f34..a4aabb4854 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/enum_test.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/file.rb b/samples/client/petstore/ruby/lib/petstore/models/file.rb
index 459e4deba8..62814e2823 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/file.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/file_schema_test_class.rb b/samples/client/petstore/ruby/lib/petstore/models/file_schema_test_class.rb
index c01bb104a3..0cfd2a0baf 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/file_schema_test_class.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/format_test.rb b/samples/client/petstore/ruby/lib/petstore/models/format_test.rb
index 4638d9f36e..1e34c2d8be 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/format_test.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/has_only_read_only.rb b/samples/client/petstore/ruby/lib/petstore/models/has_only_read_only.rb
index 6d24ac174c..f5bd2b3e5a 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/has_only_read_only.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/list.rb b/samples/client/petstore/ruby/lib/petstore/models/list.rb
index ab8318101b..2de84143b8 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/list.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/map_test.rb b/samples/client/petstore/ruby/lib/petstore/models/map_test.rb
index 68509874a7..262374d278 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/map_test.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/mixed_properties_and_additional_properties_class.rb b/samples/client/petstore/ruby/lib/petstore/models/mixed_properties_and_additional_properties_class.rb
index f82bdde772..0fca26bc28 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/mixed_properties_and_additional_properties_class.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/model200_response.rb b/samples/client/petstore/ruby/lib/petstore/models/model200_response.rb
index d87939a4b8..7633a6473a 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/model200_response.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/model_return.rb b/samples/client/petstore/ruby/lib/petstore/models/model_return.rb
index 32b75d1f08..96803b3cfc 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/model_return.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/name.rb b/samples/client/petstore/ruby/lib/petstore/models/name.rb
index 665fc35276..cc7b5f5f72 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/name.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/number_only.rb b/samples/client/petstore/ruby/lib/petstore/models/number_only.rb
index 8b6da24af4..e22793a2ca 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/number_only.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/order.rb b/samples/client/petstore/ruby/lib/petstore/models/order.rb
index bcfc925dbf..30082ec020 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/order.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/outer_composite.rb b/samples/client/petstore/ruby/lib/petstore/models/outer_composite.rb
index 1cfbf6659a..e5a4dbbf7f 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/outer_composite.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/outer_enum.rb b/samples/client/petstore/ruby/lib/petstore/models/outer_enum.rb
index c7d622d970..d7c1b931b9 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/outer_enum.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/pet.rb b/samples/client/petstore/ruby/lib/petstore/models/pet.rb
index 20a476bbe9..aded7da65e 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/pet.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/read_only_first.rb b/samples/client/petstore/ruby/lib/petstore/models/read_only_first.rb
index 012f382be7..bac38b69ab 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/read_only_first.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/special_model_name.rb b/samples/client/petstore/ruby/lib/petstore/models/special_model_name.rb
index b2bc0dc84a..12fec5a690 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/special_model_name.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/tag.rb b/samples/client/petstore/ruby/lib/petstore/models/tag.rb
index 6d79193b09..7e89b7db23 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/tag.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/type_holder_default.rb b/samples/client/petstore/ruby/lib/petstore/models/type_holder_default.rb
index 362ceff7a8..410967ec5b 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/type_holder_default.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/type_holder_default.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/type_holder_example.rb b/samples/client/petstore/ruby/lib/petstore/models/type_holder_example.rb
index 63390983f3..0240efd696 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/type_holder_example.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/type_holder_example.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/user.rb b/samples/client/petstore/ruby/lib/petstore/models/user.rb
index 5b97445cc1..ea5a393bea 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/user.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/models/xml_item.rb b/samples/client/petstore/ruby/lib/petstore/models/xml_item.rb
index 9c26309da1..60698d77ec 100644
--- a/samples/client/petstore/ruby/lib/petstore/models/xml_item.rb
+++ b/samples/client/petstore/ruby/lib/petstore/models/xml_item.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/lib/petstore/version.rb b/samples/client/petstore/ruby/lib/petstore/version.rb
index 2964544583..fba2068c04 100644
--- a/samples/client/petstore/ruby/lib/petstore/version.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/petstore.gemspec b/samples/client/petstore/ruby/petstore.gemspec
index 167ff9a753..e0cbc5eeae 100644
--- a/samples/client/petstore/ruby/petstore.gemspec
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/api/another_fake_api_spec.rb b/samples/client/petstore/ruby/spec/api/another_fake_api_spec.rb
index 6e202fb43d..a83b3e6491 100644
--- a/samples/client/petstore/ruby/spec/api/another_fake_api_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/api/fake_api_spec.rb b/samples/client/petstore/ruby/spec/api/fake_api_spec.rb
index ac6be349ff..55af84ab0e 100644
--- a/samples/client/petstore/ruby/spec/api/fake_api_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/api/fake_classname_tags123_api_spec.rb b/samples/client/petstore/ruby/spec/api/fake_classname_tags123_api_spec.rb
index 7080b34d9f..eff08f1c93 100644
--- a/samples/client/petstore/ruby/spec/api/fake_classname_tags123_api_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/api/pet_api_spec.rb b/samples/client/petstore/ruby/spec/api/pet_api_spec.rb
index efd0fc640e..ca3fcccb20 100644
--- a/samples/client/petstore/ruby/spec/api/pet_api_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/api/store_api_spec.rb b/samples/client/petstore/ruby/spec/api/store_api_spec.rb
index 7dd515a5f3..2e82a54da1 100644
--- a/samples/client/petstore/ruby/spec/api/store_api_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/api/user_api_spec.rb b/samples/client/petstore/ruby/spec/api/user_api_spec.rb
index eb3fc63625..1c0b025a3c 100644
--- a/samples/client/petstore/ruby/spec/api/user_api_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/api_client_spec.rb b/samples/client/petstore/ruby/spec/api_client_spec.rb
index 274d78c14c..32c81e76ac 100644
--- a/samples/client/petstore/ruby/spec/api_client_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/configuration_spec.rb b/samples/client/petstore/ruby/spec/configuration_spec.rb
index 08263fa509..0bea24033c 100644
--- a/samples/client/petstore/ruby/spec/configuration_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/additional_properties_any_type_spec.rb b/samples/client/petstore/ruby/spec/models/additional_properties_any_type_spec.rb
index 846f3dec88..9fd0455c8d 100644
--- a/samples/client/petstore/ruby/spec/models/additional_properties_any_type_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/additional_properties_any_type_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/additional_properties_array_spec.rb b/samples/client/petstore/ruby/spec/models/additional_properties_array_spec.rb
index ef280e7316..5f3e0b3798 100644
--- a/samples/client/petstore/ruby/spec/models/additional_properties_array_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/additional_properties_array_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/additional_properties_boolean_spec.rb b/samples/client/petstore/ruby/spec/models/additional_properties_boolean_spec.rb
index c56d64e418..c586dfe067 100644
--- a/samples/client/petstore/ruby/spec/models/additional_properties_boolean_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/additional_properties_boolean_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/additional_properties_class_spec.rb b/samples/client/petstore/ruby/spec/models/additional_properties_class_spec.rb
index 864bf2d883..ee65b12fcc 100644
--- a/samples/client/petstore/ruby/spec/models/additional_properties_class_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/additional_properties_integer_spec.rb b/samples/client/petstore/ruby/spec/models/additional_properties_integer_spec.rb
index 78868109a6..2bc9d2238a 100644
--- a/samples/client/petstore/ruby/spec/models/additional_properties_integer_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/additional_properties_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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/additional_properties_number_spec.rb b/samples/client/petstore/ruby/spec/models/additional_properties_number_spec.rb
index 9a33ded47a..9cb2c965c9 100644
--- a/samples/client/petstore/ruby/spec/models/additional_properties_number_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/additional_properties_number_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/additional_properties_object_spec.rb b/samples/client/petstore/ruby/spec/models/additional_properties_object_spec.rb
index c9182ce664..c8cfee233f 100644
--- a/samples/client/petstore/ruby/spec/models/additional_properties_object_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/additional_properties_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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/additional_properties_string_spec.rb b/samples/client/petstore/ruby/spec/models/additional_properties_string_spec.rb
index b2c5288ec4..d658f50647 100644
--- a/samples/client/petstore/ruby/spec/models/additional_properties_string_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/additional_properties_string_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/animal_spec.rb b/samples/client/petstore/ruby/spec/models/animal_spec.rb
index 08155ef394..8b3e9adc53 100644
--- a/samples/client/petstore/ruby/spec/models/animal_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/api_response_spec.rb b/samples/client/petstore/ruby/spec/models/api_response_spec.rb
index 991bb81df7..628f1c4d7c 100644
--- a/samples/client/petstore/ruby/spec/models/api_response_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/array_of_array_of_number_only_spec.rb b/samples/client/petstore/ruby/spec/models/array_of_array_of_number_only_spec.rb
index 372539c55c..ea41c9a4b3 100644
--- a/samples/client/petstore/ruby/spec/models/array_of_array_of_number_only_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/array_of_number_only_spec.rb b/samples/client/petstore/ruby/spec/models/array_of_number_only_spec.rb
index 759a272f68..ba90932a79 100644
--- a/samples/client/petstore/ruby/spec/models/array_of_number_only_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/array_test_spec.rb b/samples/client/petstore/ruby/spec/models/array_test_spec.rb
index c3819c9a9f..6ff7397ad4 100644
--- a/samples/client/petstore/ruby/spec/models/array_test_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/capitalization_spec.rb b/samples/client/petstore/ruby/spec/models/capitalization_spec.rb
index 9805991853..451c59af97 100644
--- a/samples/client/petstore/ruby/spec/models/capitalization_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/cat_all_of_spec.rb b/samples/client/petstore/ruby/spec/models/cat_all_of_spec.rb
index 49859a0524..926ce8a2a3 100644
--- a/samples/client/petstore/ruby/spec/models/cat_all_of_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/cat_spec.rb b/samples/client/petstore/ruby/spec/models/cat_spec.rb
index 0ee7d2a7f6..3efb677ce6 100644
--- a/samples/client/petstore/ruby/spec/models/cat_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/category_spec.rb b/samples/client/petstore/ruby/spec/models/category_spec.rb
index 1f9f8897fd..82ecd78d96 100644
--- a/samples/client/petstore/ruby/spec/models/category_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/class_model_spec.rb b/samples/client/petstore/ruby/spec/models/class_model_spec.rb
index 589f3d1f12..761e893312 100644
--- a/samples/client/petstore/ruby/spec/models/class_model_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/client_spec.rb b/samples/client/petstore/ruby/spec/models/client_spec.rb
index b246962e2b..4bf1ce0622 100644
--- a/samples/client/petstore/ruby/spec/models/client_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/dog_all_of_spec.rb b/samples/client/petstore/ruby/spec/models/dog_all_of_spec.rb
index 6cba24ecd9..5596927d42 100644
--- a/samples/client/petstore/ruby/spec/models/dog_all_of_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/dog_spec.rb b/samples/client/petstore/ruby/spec/models/dog_spec.rb
index d13a686449..b82df3e9d7 100644
--- a/samples/client/petstore/ruby/spec/models/dog_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/enum_arrays_spec.rb b/samples/client/petstore/ruby/spec/models/enum_arrays_spec.rb
index 993d8f3a3e..ac75c92581 100644
--- a/samples/client/petstore/ruby/spec/models/enum_arrays_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/enum_class_spec.rb b/samples/client/petstore/ruby/spec/models/enum_class_spec.rb
index 50c56e53df..29fcd05aa7 100644
--- a/samples/client/petstore/ruby/spec/models/enum_class_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/enum_test_spec.rb b/samples/client/petstore/ruby/spec/models/enum_test_spec.rb
index b66e5d730f..acd89c52df 100644
--- a/samples/client/petstore/ruby/spec/models/enum_test_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/file_schema_test_class_spec.rb b/samples/client/petstore/ruby/spec/models/file_schema_test_class_spec.rb
index c59870f674..8a8d92658c 100644
--- a/samples/client/petstore/ruby/spec/models/file_schema_test_class_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/file_spec.rb b/samples/client/petstore/ruby/spec/models/file_spec.rb
index 38513a9593..b9d1499766 100644
--- a/samples/client/petstore/ruby/spec/models/file_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/format_test_spec.rb b/samples/client/petstore/ruby/spec/models/format_test_spec.rb
index 3ce512bc78..bdf9d5029d 100644
--- a/samples/client/petstore/ruby/spec/models/format_test_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/has_only_read_only_spec.rb b/samples/client/petstore/ruby/spec/models/has_only_read_only_spec.rb
index f1e7908be1..9efa03a22f 100644
--- a/samples/client/petstore/ruby/spec/models/has_only_read_only_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/list_spec.rb b/samples/client/petstore/ruby/spec/models/list_spec.rb
index 305f503079..db397aa108 100644
--- a/samples/client/petstore/ruby/spec/models/list_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/map_test_spec.rb b/samples/client/petstore/ruby/spec/models/map_test_spec.rb
index 6be8c3aff5..f7ff6788b0 100644
--- a/samples/client/petstore/ruby/spec/models/map_test_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/mixed_properties_and_additional_properties_class_spec.rb b/samples/client/petstore/ruby/spec/models/mixed_properties_and_additional_properties_class_spec.rb
index d9070acf51..0e88f47252 100644
--- a/samples/client/petstore/ruby/spec/models/mixed_properties_and_additional_properties_class_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/model200_response_spec.rb b/samples/client/petstore/ruby/spec/models/model200_response_spec.rb
index 6502d960cb..133f6b94c1 100644
--- a/samples/client/petstore/ruby/spec/models/model200_response_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/model_return_spec.rb b/samples/client/petstore/ruby/spec/models/model_return_spec.rb
index e4fc442810..57d400eb11 100644
--- a/samples/client/petstore/ruby/spec/models/model_return_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/name_spec.rb b/samples/client/petstore/ruby/spec/models/name_spec.rb
index 362d499d12..c882db4f22 100644
--- a/samples/client/petstore/ruby/spec/models/name_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/number_only_spec.rb b/samples/client/petstore/ruby/spec/models/number_only_spec.rb
index 440a2d377d..0963591fcc 100644
--- a/samples/client/petstore/ruby/spec/models/number_only_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/order_spec.rb b/samples/client/petstore/ruby/spec/models/order_spec.rb
index 45788b835a..3f1d973b27 100644
--- a/samples/client/petstore/ruby/spec/models/order_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/outer_composite_spec.rb b/samples/client/petstore/ruby/spec/models/outer_composite_spec.rb
index a7c25a114c..bb36f48895 100644
--- a/samples/client/petstore/ruby/spec/models/outer_composite_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/outer_enum_spec.rb b/samples/client/petstore/ruby/spec/models/outer_enum_spec.rb
index f6de5c8991..ea9762da93 100644
--- a/samples/client/petstore/ruby/spec/models/outer_enum_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/pet_spec.rb b/samples/client/petstore/ruby/spec/models/pet_spec.rb
index b0c7076815..dc0a0898c9 100644
--- a/samples/client/petstore/ruby/spec/models/pet_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/read_only_first_spec.rb b/samples/client/petstore/ruby/spec/models/read_only_first_spec.rb
index d8a4230276..8d60e44331 100644
--- a/samples/client/petstore/ruby/spec/models/read_only_first_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/special_model_name_spec.rb b/samples/client/petstore/ruby/spec/models/special_model_name_spec.rb
index 43eb2ec61e..b548f7f095 100644
--- a/samples/client/petstore/ruby/spec/models/special_model_name_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/tag_spec.rb b/samples/client/petstore/ruby/spec/models/tag_spec.rb
index abb8380ff3..3a74543904 100644
--- a/samples/client/petstore/ruby/spec/models/tag_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/type_holder_default_spec.rb b/samples/client/petstore/ruby/spec/models/type_holder_default_spec.rb
index 3cee11d7ba..b7bf49dbca 100644
--- a/samples/client/petstore/ruby/spec/models/type_holder_default_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/type_holder_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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/type_holder_example_spec.rb b/samples/client/petstore/ruby/spec/models/type_holder_example_spec.rb
index 0edc334dd6..004b76dca7 100644
--- a/samples/client/petstore/ruby/spec/models/type_holder_example_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/type_holder_example_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/user_spec.rb b/samples/client/petstore/ruby/spec/models/user_spec.rb
index d313a360bb..2eb31e993a 100644
--- a/samples/client/petstore/ruby/spec/models/user_spec.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/models/xml_item_spec.rb b/samples/client/petstore/ruby/spec/models/xml_item_spec.rb
index c7d06a3580..8f300f2f8a 100644
--- a/samples/client/petstore/ruby/spec/models/xml_item_spec.rb
+++ b/samples/client/petstore/ruby/spec/models/xml_item_spec.rb
@@ -6,7 +6,7 @@
 The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
-OpenAPI Generator version: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/ruby/spec/spec_helper.rb b/samples/client/petstore/ruby/spec/spec_helper.rb
index dc8611b437..64dcf6b8f4 100644
--- a/samples/client/petstore/ruby/spec/spec_helper.rb
+++ b/samples/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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/client/petstore/spring-cloud/.openapi-generator/VERSION b/samples/client/petstore/spring-cloud/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/spring-cloud/.openapi-generator/VERSION
+++ b/samples/client/petstore/spring-cloud/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 43e52b7af0..1471705260 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 033f7a02ac..3fa5a45bea 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 6d29de21e7..fbbea575bc 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/spring-stubs/.openapi-generator/VERSION
+++ b/samples/client/petstore/spring-stubs/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 fcd4c94370..e907cb67af 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 1137beea30..c27e348531 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 011a76a943..c185766cda 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/typescript-angularjs/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angularjs/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/typescript-aurelia/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-aurelia/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
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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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/typescript-inversify/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-inversify/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/typescript-jquery/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-jquery/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/typescript-jquery/npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-jquery/npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/typescript-node/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-node/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/client/petstore/typescript-node/npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-node/npm/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/meta-codegen/lib/pom.xml b/samples/meta-codegen/lib/pom.xml
index 65959c8a30..2e9dd45df1 100644
--- a/samples/meta-codegen/lib/pom.xml
+++ b/samples/meta-codegen/lib/pom.xml
@@ -126,7 +126,7 @@
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <openapi-generator-version>4.1.0-SNAPSHOT</openapi-generator-version>
+        <openapi-generator-version>5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/meta-codegen/usage/.openapi-generator/VERSION
+++ b/samples/meta-codegen/usage/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 61aae7c8ca..89234f99db 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 e139ca407c..7e5aef30bc 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1fb7b41302..77a23f18c8 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 5debe2f84c..337af48cc0 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 4e1d147a0c..9229fefbb5 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1814d63770..48496d82db 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 61bd517389..edaa1d2b8b 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b8ec60f9e9..83dd6134b7 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 752e5c3208..f7efbb034a 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 4e4091726a..31036ed2c2 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f3d1b3cace..a36a067dad 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b5b1b28055..8d393cd46e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d438ba4288..a0eec76fb2 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 29186e6bb5..75ba65a653 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 aa47c6b47d..2d8a69af9c 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 32d8792607..06f9381522 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3529cefaa1..31185f7e49 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 bba97a6ca7..c6dd8eb5be 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ea9af0e3c3..b43ab323bf 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 9bcb8e9cd8..4f88d087ce 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 5792577511..852ab655be 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1eea5d0899..44575345cf 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 227eb0aaf7..03651f3a43 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a70ae53fbc..3c27d1a63f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 938c787b0e..878076d59d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f14dc2bff3..4821949ea0 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 0352fc1d9f..dc4e9af56a 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 85fc4184a0..53099d3e9d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 fdad10d436..e18374d4ba 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d139d6e641..cfe5949dcc 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 4cf542fdcf..2612f556fc 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ad8c4cac37..4a698f5d7e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 5bf520267a..f7eecdc7ca 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1edeb0e020..88940f8b68 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 98ef916298..a8d87b8d18 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b7ec1d59db..3bbf08ded0 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 9a2f14f946..cfbf3c42ee 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ffbb883a0b..fdc4eb7540 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 efb8180e1e..3287f0edaf 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 2eddfee777..94dcdcff58 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 e039e474d2..aa91136ec8 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 624813bf0e..499e030a0f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 04199bad53..a9500d8edd 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 68e093dc88..79bcab1ca9 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b8925b7ecc..56126650a1 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c20a8d23a2..7686d24343 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 809c9c6243..4dc114c4b6 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 32cc64c466..9d85989738 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 79f96d52fd..a7c77af559 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 677ccb106f..a19bf5e46f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 657654ce9e..92ad76b5fe 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f341400c11..84e8aa7520 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c5f35dd7fe..faba95dda0 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3d43c34ad3..54311eb6ec 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 13e4530684..b5612a53c4 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 b66ccee7cf..9a0ae8ff13 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 6925a9ef15..79dbdc8a3d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 0ecfe2ff32..10159eb07e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 79132e8b0c..5fc4330b28 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 669360fee5..547b07c552 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1dfe2db9f6..66211bee8d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 53ee52ccbc..f7ebb34cc9 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1bbe5f6457..f747862fb4 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 38d33da552..54a7310583 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3831b1e2df..25ee8db101 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 bfdcc5d6e8..49a00a98ae 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 4799a949fa..9e1ca34294 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 6c4ec889b2..036f9d0fce 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a7c9b44a88..67641db313 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c534223842..22b4da2027 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 89656b032c..769fb14380 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1080f7a6b9..3888a2acbc 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3aac20d534..01739a814f 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 56c06699e5..091dbcd841 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d72763b175..48852ba556 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 515164ea4b..93093478e7 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 8eaba70e32..53f1a0aa49 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1f3c307205..ae8a8b2564 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 6ff7e3b413..cc76f2903b 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 86715c7394..2cf8004476 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c5d7e6b5a3..0f6f81ae75 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 0d504dbd2c..9594626785 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 092f5f2a3a..970a127d25 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 c5e6c97735..79b5918d80 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 07c7239ec8..65016c2860 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 9224e29fdb..3cc7df9e6e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ca5a839132..86b34f5cca 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a0d49bae6b..412b300479 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 03dfc42c80..f4a2370d55 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 781e9ea05b..68a4b0dc43 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 3568f79ee1..b83b372718 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 ac78be001e..d5cd1a127c 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 191d616ecd..7d83b70298 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 8c2ca111f1..663fc6976b 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 0363810624..3279f098ef 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 602886f5a6..6e0bfadae7 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 329a88f46d..6bad7ab2e1 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 bce3085de5..f4de899411 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 988f84325b..42ddddff86 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 e9c0be20db..d9c8a9bb5a 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f1642dde44..5fcb629906 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 09780d92b5..f6fd81b3ca 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f434b7022f..4c9c784f62 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 4bb7896b08..02232a6d16 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d6c47a8d48..7101397381 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1dfde7afc1..d89a2460ce 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 d75e55996a..aefed931c9 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 13a8caae0c..3d40922145 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 739033dc95..08cdb11cfb 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 1cb9689868..4594e35f95 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 139ff211f5..e1ad10bf28 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 f4dc59e100..ac3865d731 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 a0a132187b..975ea9134d 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 2af7be4caf..a3d27b5bd4 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 6ecf877b9e..2b42e29c51 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 56eeb12d85..f375ba8096 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-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 8ba90d5289..9672d99f1e 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: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
  */
 
 /**
diff --git a/samples/openapi3/client/petstore/python/.openapi-generator/VERSION b/samples/openapi3/client/petstore/python/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/openapi3/client/petstore/python/.openapi-generator/VERSION
+++ b/samples/openapi3/client/petstore/python/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/openapi3/client/petstore/ruby/.openapi-generator/VERSION b/samples/openapi3/client/petstore/ruby/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/openapi3/client/petstore/ruby/.openapi-generator/VERSION
+++ b/samples/openapi3/client/petstore/ruby/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 822ea45c06..f0df2170db 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 66be9a93e6..19e88a7bd8 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 f26bfd0d7b..3e894a420d 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 e2466046ea..89dc4fe828 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 5d33dae0ef..8738329398 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 fda5cbb75c..aa07d7f86e 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 4cfd89f819..4b05888e35 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 7a0a00a205..2f8366ef55 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 21197e84b3..a3a78d4b76 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 9eab46a89b..337c5c7002 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 24067f0cd8..af5b62e600 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 a4b791a17f..44722fe289 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 396199ca41..f12f35a3fb 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 998250d20a..45322966bc 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 99aa9482fa..cabaf4e8ca 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 e7da1699d4..a285dd3e89 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 121bff2f02..cb66978d71 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 02567bdfd4..ae6779e93d 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 51ab33355e..8bc81970c3 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 a971e6f556..1f825aad89 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 344ca69065..841876180d 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 01b2b965d6..8fe3f0f3d6 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 830ab1d0f0..52f71511b6 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 07c31216bc..a94a6581d0 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 18cf619772..8bedfe8384 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 1f12cb43b9..6499e6c938 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 406b0dccc9..69fcebec61 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 6db05c48aa..ed483f018d 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 459e4deba8..62814e2823 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 c01bb104a3..0cfd2a0baf 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 0546ad9269..4b06f1f9cd 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 010a1d0efa..c49f485993 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 6d24ac174c..f5bd2b3e5a 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 7d31c85a1d..19b36fa6aa 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 fa811479dc..c74cd7476c 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 ab8318101b..2de84143b8 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 68509874a7..262374d278 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 f82bdde772..0fca26bc28 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 d87939a4b8..7633a6473a 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 32b75d1f08..96803b3cfc 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 665fc35276..cc7b5f5f72 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 eab0edde20..4b5991bef5 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 8b6da24af4..e22793a2ca 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 bcfc925dbf..30082ec020 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 1cfbf6659a..e5a4dbbf7f 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 c7d622d970..d7c1b931b9 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 38e51df938..dae97c9a7f 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 70788d1e87..58c8c97413 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 0d074b8b9f..8ffe7f388d 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 20a476bbe9..aded7da65e 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 012f382be7..bac38b69ab 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 b2bc0dc84a..12fec5a690 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 6d79193b09..7e89b7db23 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 5b97445cc1..ea5a393bea 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 2964544583..fba2068c04 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/openapi3/client/petstore/ruby/petstore.gemspec b/samples/openapi3/client/petstore/ruby/petstore.gemspec
index 167ff9a753..e0cbc5eeae 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 7fc8ef59bd..bf187f0971 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 132532dde1..fd58eaa21a 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 f0d6a13636..dc05c4577c 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 12c2278ca2..1db2b3c9ef 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 a202df8241..26ca32b2f7 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 61b633b408..1fd9faf40a 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 248006835e..39178c5a5a 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 274d78c14c..32c81e76ac 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 08263fa509..0bea24033c 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 a6885692f6..93a5b0d5fb 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 08155ef394..8b3e9adc53 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 991bb81df7..628f1c4d7c 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 372539c55c..ea41c9a4b3 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 759a272f68..ba90932a79 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 c3819c9a9f..6ff7397ad4 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 9805991853..451c59af97 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 49859a0524..926ce8a2a3 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 0ee7d2a7f6..3efb677ce6 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 1f9f8897fd..82ecd78d96 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 589f3d1f12..761e893312 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 b246962e2b..4bf1ce0622 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 6cba24ecd9..5596927d42 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 d13a686449..b82df3e9d7 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 993d8f3a3e..ac75c92581 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 50c56e53df..29fcd05aa7 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 903b7f9c9e..7f4c9c97e8 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 c59870f674..8a8d92658c 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 38513a9593..b9d1499766 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 829f18ac0d..46f8aa8a1d 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 3b01581670..72fe239f29 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 f1e7908be1..9efa03a22f 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 d94dfae3e1..e90a77ec8a 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 859051fae2..812470131b 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 305f503079..db397aa108 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 6be8c3aff5..f7ff6788b0 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 d9070acf51..0e88f47252 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 6502d960cb..133f6b94c1 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 e4fc442810..57d400eb11 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 362d499d12..c882db4f22 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 b7a8c99c1b..f1301d0a83 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 440a2d377d..0963591fcc 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 45788b835a..3f1d973b27 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 a7c25a114c..bb36f48895 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 80c852db9f..7bd96a7aba 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 0be262b5df..48a94827e5 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 9696979e03..a0ac4c81f0 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 f6de5c8991..ea9762da93 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 b0c7076815..dc0a0898c9 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 d8a4230276..8d60e44331 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 43eb2ec61e..b548f7f095 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 abb8380ff3..3a74543904 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 d313a360bb..2eb31e993a 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-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 dc8611b437..64dcf6b8f4 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: 4.1.0-SNAPSHOT
+OpenAPI Generator version: 5.0.0-SNAPSHOT
 
 =end
 
diff --git a/samples/schema/petstore/mysql/.openapi-generator/VERSION b/samples/schema/petstore/mysql/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/schema/petstore/mysql/.openapi-generator/VERSION
+++ b/samples/schema/petstore/mysql/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 100644
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@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
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+++ b/samples/server/petstore/jaxrs-cxf-annotated-base-path/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/jaxrs-cxf-cdi/.openapi-generator/VERSION
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@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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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 83a328a922..d99e7162d0 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 @@
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\ No newline at end of file
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/jaxrs-cxf/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-cxf/.openapi-generator/VERSION
@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/jaxrs-datelib-j8/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-datelib-j8/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ No newline at end of file
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/jaxrs-jersey/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-jersey/.openapi-generator/VERSION
@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
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+++ b/samples/server/petstore/jaxrs-resteasy/default/.openapi-generator/VERSION
@@ -1 +1 @@
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\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ No newline at end of file
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index 83a328a922..d99e7162d0 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 @@
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\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/jaxrs-resteasy/eap/.openapi-generator/VERSION
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@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/jaxrs-resteasy/joda/.openapi-generator/VERSION
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@@ -1 +1 @@
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diff --git a/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
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@@ -1 +1 @@
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diff --git a/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION
@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/jaxrs/jersey1-useTags/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs/jersey1-useTags/.openapi-generator/VERSION
@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
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+++ b/samples/server/petstore/jaxrs/jersey1/.openapi-generator/VERSION
@@ -1 +1 @@
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/jaxrs/jersey2-useTags/.openapi-generator/VERSION
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@@ -1 +1 @@
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diff --git a/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION b/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
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+++ b/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION
@@ -1 +1 @@
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\ No newline at end of file
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diff --git a/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION b/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION
+++ b/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION
@@ -1 +1 @@
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\ No newline at end of file
+5.0.0-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 c5ad559266..0c37a719c0 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 4.1.0-SNAPSHOT.
+Generated by OpenAPI Generator 5.0.0-SNAPSHOT.
 
 ## Requires
 
diff --git a/samples/server/petstore/kotlin-springboot/.openapi-generator/VERSION b/samples/server/petstore/kotlin-springboot/.openapi-generator/VERSION
index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/kotlin-springboot/.openapi-generator/VERSION
+++ b/samples/server/petstore/kotlin-springboot/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/php-lumen/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-lumen/.openapi-generator/VERSION
@@ -1 +1 @@
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\ No newline at end of file
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/php-silex/OpenAPIServer/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-silex/OpenAPIServer/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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index 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/php-slim/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-slim/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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index 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/php-ze-ph/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-ze-ph/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ 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 200571e46f..63e1edf8d5 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 50a795a483..7131e452e2 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 4001c75894..43b54cfdea 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 e28e479cb1..c191ae98ae 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 7ad7e7a8e7..32991ddd02 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 bbec568a4a..5aa4f1294e 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 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 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 491911c3bd..8fa8de8b91 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 67b6c91777..b449cc54f2 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 2296062bc2..4c71a45705 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 1eed442687..bf81229c36 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 52d5b5eb80..40885e360d 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 208c959c9a..5eaa8ab6ed 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/spring-mvc/.openapi-generator/VERSION
+++ b/samples/server/petstore/spring-mvc/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 3208591b15..a7e416f15a 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 5162b022f2..30afa76e6e 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 4ff2855742..4973979dc1 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 370eb74089..8c386ce6d1 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 8dad1488c6..af2ec90110 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 95c11daa28..5323659690 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/springboot-beanvalidation/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-beanvalidation/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 3208591b15..a7e416f15a 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 5162b022f2..30afa76e6e 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 4ff2855742..4973979dc1 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 370eb74089..8c386ce6d1 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 8dad1488c6..af2ec90110 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 95c11daa28..5323659690 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/springboot-delegate-j8/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-delegate-j8/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 f59b48e0d8..6b98d70b93 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 e305846684..6a3cb6c2be 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 6cc14a3180..51bf2839e5 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 d54f8f5502..9748031902 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 9ed8c53d42..689f4a3325 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 3cfd9cf707..da8a224572 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/springboot-delegate/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-delegate/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 3208591b15..a7e416f15a 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 5162b022f2..30afa76e6e 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 4ff2855742..4973979dc1 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 370eb74089..8c386ce6d1 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 8dad1488c6..af2ec90110 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 95c11daa28..5323659690 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/springboot-implicitHeaders/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-implicitHeaders/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 63e4f57549..6ddfe50f99 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 cf22349d94..b6d03262a7 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 4b9b6a8bef..5aab954eb9 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 00a35ef381..728c82ef62 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 edfe60f324..4d78ab6694 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 b45e6afcc4..d44e1ec9b8 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/springboot-reactive/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-reactive/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 353f2ed77b..dfc5042c0a 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 e5b842a97b..d3a0f515ad 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 121b8b7c40..25b16bafab 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 96c92eee13..65d4683696 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 38dfb5cf45..8ae70a6c29 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 ae426eeaba..76cb1fb00a 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/springboot-useoptional/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-useoptional/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 491911c3bd..8fa8de8b91 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 98dfec2513..e7cd644dfe 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 2296062bc2..4c71a45705 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 227710d64c..693650765b 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 52d5b5eb80..40885e360d 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 208c959c9a..5eaa8ab6ed 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/springboot-virtualan/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot-virtualan/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 00a115c4e4..a32444dc06 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 afaba765c2..763b52017c 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 c4615f35bd..4797a71547 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 a8bc0a1f3b..82e7d980a6 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 c34b3740c8..aebd4fedf3 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 1b0bed4ed8..f8718d54bd 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 83a328a922..d99e7162d0 100644
--- a/samples/server/petstore/springboot/.openapi-generator/VERSION
+++ b/samples/server/petstore/springboot/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
+5.0.0-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 491911c3bd..8fa8de8b91 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 4962c13375..c21cbbdd44 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 2296062bc2..4c71a45705 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 1eed442687..bf81229c36 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 52d5b5eb80..40885e360d 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-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 208c959c9a..5eaa8ab6ed 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) (4.1.0-SNAPSHOT).
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech) (5.0.0-SNAPSHOT).
  * https://openapi-generator.tech
  * Do not edit the class manually.
  */