diff --git a/modules/openapi-generator-cli/pom.xml b/modules/openapi-generator-cli/pom.xml
index 41d48295c07..269786d2750 100644
--- a/modules/openapi-generator-cli/pom.xml
+++ b/modules/openapi-generator-cli/pom.xml
@@ -3,7 +3,7 @@
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         <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 e63b7dac541..0353508d252 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 62835930688..4c6dc3d344d 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 0ec7803e887..d1cf02880ca 100644
--- a/modules/openapi-generator-maven-plugin/pom.xml
+++ b/modules/openapi-generator-maven-plugin/pom.xml
@@ -4,7 +4,7 @@
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     <artifactId>openapi-generator-maven-plugin</artifactId>
diff --git a/modules/openapi-generator-online/pom.xml b/modules/openapi-generator-online/pom.xml
index 79e1ccfa07d..2391ee2d68d 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 53fc6efe312..22a5adefe13 100644
--- a/modules/openapi-generator/pom.xml
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@@ -3,7 +3,7 @@
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         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
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diff --git a/pom.xml b/pom.xml
index 6c10087fa70..57092603e6a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
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     <packaging>pom</packaging>
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         <connection>scm:git:git@github.com:openapitools/openapi-generator.git</connection>
diff --git a/samples/client/petstore/R/.openapi-generator/VERSION b/samples/client/petstore/R/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/R/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/groovy/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/feign/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/jersey2-java8/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/resteasy/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/resttemplate/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/retrofit/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/retrofit2-play24/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/retrofit2-play25/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/retrofit2rx/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/retrofit2rx2/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/vertx/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/vertx/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/java/webclient/.openapi-generator/VERSION
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index 83a328a9227..d99e7162d01 100644
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index 83a328a9227..d99e7162d01 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 d925f12d588..be4fb161284 100644
--- a/samples/client/petstore/javascript-promise/src/ApiClient.js
+++ b/samples/client/petstore/javascript-promise/src/ApiClient.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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/AnotherFakeApi.js b/samples/client/petstore/javascript-promise/src/api/AnotherFakeApi.js
index 378918f435d..e6cbc4e382c 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 bccf87b9f33..da2b40fbeb3 100644
--- a/samples/client/petstore/javascript-promise/src/api/FakeApi.js
+++ b/samples/client/petstore/javascript-promise/src/api/FakeApi.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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 382507fb3f2..eae522bf631 100644
--- a/samples/client/petstore/javascript-promise/src/api/FakeClassnameTags123Api.js
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@@ -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.
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diff --git a/samples/client/petstore/javascript-promise/src/api/PetApi.js b/samples/client/petstore/javascript-promise/src/api/PetApi.js
index 268dc614e3e..c50e428399f 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 afc4eae0b59..eb7d5a60a6c 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 @@
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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/api/UserApi.js b/samples/client/petstore/javascript-promise/src/api/UserApi.js
index e41446e5e17..49ef65019d3 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 d172e7c3e00..db56a55b21f 100644
--- a/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 73b58a733b1..9774ac33999 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 3a1f4ecc9d8..44c2f9b390c 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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  * 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/AdditionalPropertiesBoolean.js b/samples/client/petstore/javascript-promise/src/model/AdditionalPropertiesBoolean.js
index 5306f6bd01d..c1ad7844f52 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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  *
- * 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 bd62237ca20..2b19a95b486 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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  * 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.
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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 8f678419e25..295febe3642 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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  *
- * 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 651c8894aa8..f0b20ec0bbf 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 b5180bbe828..e2194051556 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 9181dac6014..ce82a0e752a 100644
--- a/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.
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diff --git a/samples/client/petstore/javascript-promise/src/model/Animal.js b/samples/client/petstore/javascript-promise/src/model/Animal.js
index 4477ebc5a97..b46bc005c75 100644
--- a/samples/client/petstore/javascript-promise/src/model/Animal.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/ApiResponse.js b/samples/client/petstore/javascript-promise/src/model/ApiResponse.js
index c7d3ebad562..5e9e0b16ee8 100644
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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/ArrayOfArrayOfNumberOnly.js b/samples/client/petstore/javascript-promise/src/model/ArrayOfArrayOfNumberOnly.js
index ab73a6916d3..13cae7cf90f 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
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  * 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 b82c3649035..a2a51049e71 100644
--- a/samples/client/petstore/javascript-promise/src/model/ArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript-promise/src/model/ArrayOfNumberOnly.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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  * 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 4e4a96d0853..78739e4a4dc 100644
--- a/samples/client/petstore/javascript-promise/src/model/ArrayTest.js
+++ b/samples/client/petstore/javascript-promise/src/model/ArrayTest.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/Capitalization.js b/samples/client/petstore/javascript-promise/src/model/Capitalization.js
index 30232f689dc..ed0dc0b616a 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 415bd14582b..fcc9e7bf670 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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  *
- * 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 6b26f6e753b..78465ea099f 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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  * 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/Category.js b/samples/client/petstore/javascript-promise/src/model/Category.js
index 20f56275204..10934470286 100644
--- a/samples/client/petstore/javascript-promise/src/model/Category.js
+++ b/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 b8ecf485e69..47e80df5421 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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  *
- * 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 42cabd2a038..ea7bfcafbae 100644
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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/Dog.js b/samples/client/petstore/javascript-promise/src/model/Dog.js
index 21820fddb02..f69a203858a 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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  *
- * 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 4110fbfd302..a531669f537 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 b8b3dc37570..78fe939c4bf 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 d1e33b4d8ef..d4f668246b5 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 0083ab49b06..997ac55f5db 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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- * 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 0d270851df6..109a6e55266 100644
--- a/samples/client/petstore/javascript-promise/src/model/File.js
+++ b/samples/client/petstore/javascript-promise/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-promise/src/model/FileSchemaTestClass.js b/samples/client/petstore/javascript-promise/src/model/FileSchemaTestClass.js
index 9461ed31715..22f10496e4f 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 050a26eccb3..3b5c5de06d7 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: 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 9b2205f028a..a48fa374d98 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 288cd0f9162..d27fdd125e4 100644
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+ * 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 6d50eff8350..aa9a1a5b4ea 100644
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+++ b/samples/client/petstore/javascript-promise/src/model/MapTest.js
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+ * 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 4c5ab29b9e6..bc98f6da1fd 100644
--- a/samples/client/petstore/javascript-promise/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript-promise/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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 e5c9e8c5e77..6ded236af20 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 eddfd298fd2..1d19b387c30 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 80eeb127d2a..c3e29dd84f7 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 a71b576260e..a51aff7a97b 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 699e9fc6737..20f551b4e26 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 faf1409f5ba..2197245f64f 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 5cf00a1d8d8..ef94683a827 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 114ccfd7b10..5f5c3e2b6f2 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 51720fc94d0..e5e7a71b4ba 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 3b9f1780970..2ebce770f7e 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 2bfb449378e..64a07da1a79 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 10413cd990b..73386a84334 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 dc1e94db3ae..f1c14ad1579 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 c593bbd335f..967d15b018d 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 d10fa246a7d..244eb73f03a 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 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/javascript/.openapi-generator/VERSION
+++ b/samples/client/petstore/javascript/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
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diff --git a/samples/client/petstore/javascript/src/ApiClient.js b/samples/client/petstore/javascript/src/ApiClient.js
index 2f95d354aa7..6c4b08541d4 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 a205bd82cb8..54709c871e0 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 fbc5aef79d6..cc57490624d 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 957408b720e..8ef462bffc6 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 6c6f509fc14..7af853c712a 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 aaa4b5f23ec..11ba830249e 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 3d6e941a081..a65ce3b944e 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 d172e7c3e00..db56a55b21f 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 73b58a733b1..9774ac33999 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 3a1f4ecc9d8..44c2f9b390c 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 5306f6bd01d..c1ad7844f52 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 bd62237ca20..2b19a95b486 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 8f678419e25..295febe3642 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 651c8894aa8..f0b20ec0bbf 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 b5180bbe828..e2194051556 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 9181dac6014..ce82a0e752a 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 4477ebc5a97..b46bc005c75 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.
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diff --git a/samples/client/petstore/javascript/src/model/ApiResponse.js b/samples/client/petstore/javascript/src/model/ApiResponse.js
index c7d3ebad562..5e9e0b16ee8 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.
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diff --git a/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js b/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js
index ab73a6916d3..13cae7cf90f 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
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  * 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 b82c3649035..a2a51049e71 100644
--- a/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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/src/model/ArrayTest.js b/samples/client/petstore/javascript/src/model/ArrayTest.js
index 4e4a96d0853..78739e4a4dc 100644
--- a/samples/client/petstore/javascript/src/model/ArrayTest.js
+++ b/samples/client/petstore/javascript/src/model/ArrayTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Capitalization.js b/samples/client/petstore/javascript/src/model/Capitalization.js
index 30232f689dc..ed0dc0b616a 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).
  * 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/src/model/Cat.js b/samples/client/petstore/javascript/src/model/Cat.js
index 415bd14582b..fcc9e7bf670 100644
--- a/samples/client/petstore/javascript/src/model/Cat.js
+++ b/samples/client/petstore/javascript/src/model/Cat.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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/src/model/CatAllOf.js b/samples/client/petstore/javascript/src/model/CatAllOf.js
index 6b26f6e753b..78465ea099f 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).
  * 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/src/model/Category.js b/samples/client/petstore/javascript/src/model/Category.js
index 20f56275204..10934470286 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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  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ClassModel.js b/samples/client/petstore/javascript/src/model/ClassModel.js
index b8ecf485e69..47e80df5421 100644
--- a/samples/client/petstore/javascript/src/model/ClassModel.js
+++ b/samples/client/petstore/javascript/src/model/ClassModel.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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 42cabd2a038..ea7bfcafbae 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 21820fddb02..f69a203858a 100644
--- a/samples/client/petstore/javascript/src/model/Dog.js
+++ b/samples/client/petstore/javascript/src/model/Dog.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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/DogAllOf.js b/samples/client/petstore/javascript/src/model/DogAllOf.js
index 4110fbfd302..a531669f537 100644
--- a/samples/client/petstore/javascript/src/model/DogAllOf.js
+++ b/samples/client/petstore/javascript/src/model/DogAllOf.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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 b8b3dc37570..78fe939c4bf 100644
--- a/samples/client/petstore/javascript/src/model/EnumArrays.js
+++ b/samples/client/petstore/javascript/src/model/EnumArrays.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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 d1e33b4d8ef..d4f668246b5 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).
  * 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/EnumTest.js b/samples/client/petstore/javascript/src/model/EnumTest.js
index 0083ab49b06..997ac55f5db 100644
--- a/samples/client/petstore/javascript/src/model/EnumTest.js
+++ b/samples/client/petstore/javascript/src/model/EnumTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * 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 0d270851df6..109a6e55266 100644
--- a/samples/client/petstore/javascript/src/model/File.js
+++ b/samples/client/petstore/javascript/src/model/File.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/FileSchemaTestClass.js b/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js
index 9461ed31715..22f10496e4f 100644
--- a/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js
+++ b/samples/client/petstore/javascript/src/model/FileSchemaTestClass.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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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/FormatTest.js b/samples/client/petstore/javascript/src/model/FormatTest.js
index 050a26eccb3..3b5c5de06d7 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).
  * 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/HasOnlyReadOnly.js b/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
index 9b2205f028a..a48fa374d98 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: 4.1.0-SNAPSHOT
+ * 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 288cd0f9162..d27fdd125e4 100644
--- a/samples/client/petstore/javascript/src/model/List.js
+++ b/samples/client/petstore/javascript/src/model/List.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
+ * 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 6d50eff8350..aa9a1a5b4ea 100644
--- a/samples/client/petstore/javascript/src/model/MapTest.js
+++ b/samples/client/petstore/javascript/src/model/MapTest.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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/MixedPropertiesAndAdditionalPropertiesClass.js b/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
index 4c5ab29b9e6..bc98f6da1fd 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 e5c9e8c5e77..6ded236af20 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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  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ModelReturn.js b/samples/client/petstore/javascript/src/model/ModelReturn.js
index eddfd298fd2..1d19b387c30 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 80eeb127d2a..c3e29dd84f7 100644
--- a/samples/client/petstore/javascript/src/model/Name.js
+++ b/samples/client/petstore/javascript/src/model/Name.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  * https://openapi-generator.tech
  *
- * OpenAPI Generator version: 4.1.0-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 a71b576260e..a51aff7a97b 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: 4.1.0-SNAPSHOT
+ * 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 699e9fc6737..20f551b4e26 100644
--- a/samples/client/petstore/javascript/src/model/Order.js
+++ b/samples/client/petstore/javascript/src/model/Order.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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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/src/model/OuterComposite.js b/samples/client/petstore/javascript/src/model/OuterComposite.js
index faf1409f5ba..2197245f64f 100644
--- a/samples/client/petstore/javascript/src/model/OuterComposite.js
+++ b/samples/client/petstore/javascript/src/model/OuterComposite.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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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 5cf00a1d8d8..ef94683a827 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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  *
- * OpenAPI Generator version: 4.1.0-SNAPSHOT
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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 114ccfd7b10..5f5c3e2b6f2 100644
--- a/samples/client/petstore/javascript/src/model/Pet.js
+++ b/samples/client/petstore/javascript/src/model/Pet.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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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/ReadOnlyFirst.js b/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
index 51720fc94d0..e5e7a71b4ba 100644
--- a/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
+++ b/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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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/SpecialModelName.js b/samples/client/petstore/javascript/src/model/SpecialModelName.js
index 3b9f1780970..2ebce770f7e 100644
--- a/samples/client/petstore/javascript/src/model/SpecialModelName.js
+++ b/samples/client/petstore/javascript/src/model/SpecialModelName.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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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 2bfb449378e..64a07da1a79 100644
--- a/samples/client/petstore/javascript/src/model/Tag.js
+++ b/samples/client/petstore/javascript/src/model/Tag.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/TypeHolderDefault.js b/samples/client/petstore/javascript/src/model/TypeHolderDefault.js
index 10413cd990b..73386a84334 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 dc1e94db3ae..f1c14ad1579 100644
--- a/samples/client/petstore/javascript/src/model/TypeHolderExample.js
+++ b/samples/client/petstore/javascript/src/model/TypeHolderExample.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/User.js b/samples/client/petstore/javascript/src/model/User.js
index c593bbd335f..967d15b018d 100644
--- a/samples/client/petstore/javascript/src/model/User.js
+++ b/samples/client/petstore/javascript/src/model/User.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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+ * OpenAPI Generator version: 5.0.0-SNAPSHOT
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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 d10fa246a7d..244eb73f03a 100644
--- a/samples/client/petstore/javascript/src/model/XmlItem.js
+++ b/samples/client/petstore/javascript/src/model/XmlItem.js
@@ -7,7 +7,7 @@
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
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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/kotlin-string/.openapi-generator/VERSION b/samples/client/petstore/kotlin-string/.openapi-generator/VERSION
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\ No newline at end of file
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/kotlin/.openapi-generator/VERSION b/samples/client/petstore/kotlin/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/client/petstore/kotlin/.openapi-generator/VERSION
+++ b/samples/client/petstore/kotlin/.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/.openapi-generator/VERSION b/samples/client/petstore/php/OpenAPIClient-php/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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 b78f0f310be..30e6dfe67aa 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 7352afe5c66..5f5ce4a8019 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 38f93ed9579..1b91938ffa5 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 369e578510e..e7293c4ec87 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 c9d394c6bc3..324df90cc52 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 12f4fe98096..1b32db09a86 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 b8ec60f9e99..83dd6134b73 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 5bc1ac15acd..5942ddea291 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 4e4091726a1..31036ed2c24 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 3b8b4612de0..45ee6c3fa01 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 b9f80292c72..98c1db1c3ce 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 0935afc6265..7cf22f3c8b9 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 0dc0123415e..f4bce47a062 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 2c812b25e69..deb89598c22 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 fd79e507053..ec9c10a6a99 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 55d41382509..eced5f95b21 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 cbd82cbfa07..e2b38d07ca3 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 b5b1b280553..8d393cd46e0 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 d438ba42885..a0eec76fb25 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 29186e6bb52..75ba65a6538 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 aa47c6b47da..2d8a69af9c4 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 32d87926070..06f9381522f 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 3529cefaa16..31185f7e492 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 bba97a6ca7f..c6dd8eb5be9 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 ea9af0e3c38..b43ab323bf2 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 9bcb8e9cd82..4f88d087ce8 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 57925775113..852ab655bee 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 1eea5d0899c..44575345cf2 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 227eb0aaf7b..03651f3a439 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 a70ae53fbce..3c27d1a63fa 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 938c787b0ef..878076d59de 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 f14dc2bff3e..4821949ea07 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 7e454f62866..a0622c4ea57 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 85fc4184a0c..53099d3e9dd 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 fdad10d4362..e18374d4bae 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 312bdf9cd6c..6fcf3c831b8 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 ad8c4cac371..4a698f5d7e3 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 e039e474d2f..aa91136ec88 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 624813bf0ed..499e030a0f6 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 04199bad530..a9500d8edd4 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 68e093dc88b..79bcab1ca93 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 b8925b7eccb..56126650a19 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 c20a8d23a2c..7686d243432 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 809c9c62431..4dc114c4b65 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 79f96d52fd9..a7c77af5594 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 677ccb106f1..a19bf5e46fb 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 657654ce9e8..92ad76b5fe0 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 f341400c11b..84e8aa75203 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 b66ccee7cfe..9a0ae8ff138 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 6925a9ef155..79dbdc8a3d9 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 64e88049d75..a1a028d0b66 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 79132e8b0c5..5fc4330b288 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 2cab44106d3..5cfc539f6af 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 82926a0c645..7eb15dde062 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 669360fee55..547b07c5523 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 a2a690ad4d4..93516e9fce0 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 1dfe2db9f62..66211bee8d0 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 53ee52ccbc3..f7ebb34cc98 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 beaf7ec3478..7b736b8061c 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 3831b1e2dfd..25ee8db1019 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 bfdcc5d6e86..49a00a98ae0 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 4799a949fa5..9e1ca342942 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 6c4ec889b2a..036f9d0fce7 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 127df023097..8daebca96f6 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 91cad352f78..a02060cd31e 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 9228e312e30..a859f118bc4 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 ad95a50939a..0deed6ba84a 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 562b5e6a22f..a2ad19f3a67 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 b502d7d989d..adbb587d9c6 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 973bed6dc92..cb978d8260c 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 0d739feed19..9086aac5dd0 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 c5342238425..22b4da20273 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 89656b032c4..769fb143806 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 1080f7a6b93..3888a2acbca 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 3aac20d5349..01739a814f1 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 56c06699e5f..091dbcd8411 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 d72763b1754..48852ba5569 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 515164ea4be..93093478e70 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 8eaba70e32b..53f1a0aa495 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 1f3c3072053..ae8a8b25643 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 6ff7e3b413f..cc76f2903b3 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 86715c7394e..2cf80044760 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 c5d7e6b5a34..0f6f81ae75a 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 0d504dbd2cd..95946267855 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 092f5f2a3aa..970a127d253 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 c5e6c977355..79b5918d80a 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 4cf96be1a90..8cbc69bb7b3 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 9224e29fdbd..3cc7df9e6e3 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 ca5a8391324..86b34f5ccad 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 c7f054bb5d8..cd66f6d94c9 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 781e9ea05b6..68a4b0dc43a 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 988f84325b1..42ddddff86c 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 e9c0be20dbd..d9c8a9bb5a2 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 f1642dde446..5fcb6299065 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 09780d92b52..f6fd81b3ca1 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 f434b7022fe..4c9c784f628 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 4bb7896b085..02232a6d164 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 1dfde7afc1f..d89a2460ced 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 d75e55996a3..aefed931c95 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 13a8caae0c5..3d409221454 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 f4dc59e1003..ac3865d7311 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 a0a132187b4..975ea9134d5 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 2af7be4caf6..a3d27b5bd41 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 6ecf877b9e1..2b42e29c51a 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 56eeb12d857..f375ba8096d 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 0cdc184355d..15bbe96a104 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 a677e810f7d..8bc55218f8b 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 8ba90d5289e..9672d99f1e7 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 9ffd08c51df..4b7f555c896 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 52e3ec87247..4740de936c9 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 928633620c8..9c49161fd32 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 662bc954c85..d6172825e2d 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 af26f5ea8b8..a620f0c0697 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 34c189d9d01..7678981de64 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 9d08b7a2b4f..e6d8231cc48 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 381e4c297a3..5837194ed5f 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 21197e84b3f..a3a78d4b76f 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 9eab46a89b7..337c5c7002c 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 e74a2a38ff0..407cd63983a 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 d2af1ba5b32..2796cc1037b 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 621e290e157..f5777264268 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 787951bf683..ad463ebcb4b 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 27f9768fb8d..1842fd48144 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 5ed4bd9381e..3a3f4bae412 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 3499c090be6..9558c78e7a4 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 fd957eb08f7..8b0583e4fef 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 ca5e5385952..2718038deb9 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 396199ca411..f12f35a3fb9 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 998250d20ae..45322966bc5 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 99aa9482fa3..cabaf4e8cad 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 e7da1699d45..a285dd3e898 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 121bff2f022..cb66978d710 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 02567bdfd45..ae6779e93d1 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 51ab33355e3..8bc81970c33 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 a971e6f5566..1f825aad892 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 344ca690654..841876180d7 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 01b2b965d60..8fe3f0f3d6e 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 830ab1d0f00..52f71511b6e 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 07c31216bc3..a94a6581d0f 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 18cf6197720..8bedfe83840 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 1f12cb43b9c..6499e6c9384 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 406b0dccc95..69fcebec615 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 0a2b987f345..a4aabb4854d 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 459e4deba8f..62814e28236 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 c01bb104a3e..0cfd2a0bafe 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 4638d9f36e1..1e34c2d8be9 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 6d24ac174c5..f5bd2b3e5a9 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 ab8318101b5..2de84143b82 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 68509874a7d..262374d278a 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 f82bdde7721..0fca26bc281 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 d87939a4b8a..7633a6473a1 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 32b75d1f088..96803b3cfca 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 665fc352764..cc7b5f5f720 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 8b6da24af4b..e22793a2ca1 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 bcfc925dbf3..30082ec0207 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 1cfbf6659a7..e5a4dbbf7ff 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 c7d622d9703..d7c1b931b97 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 20a476bbe9f..aded7da65e0 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 012f382be79..bac38b69abc 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 b2bc0dc84a6..12fec5a6901 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 6d79193b09a..7e89b7db239 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 362ceff7a85..410967ec5b3 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 63390983f38..0240efd6965 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 5b97445cc16..ea5a393bead 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 9c26309da19..60698d77ece 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 29645445838..fba2068c04d 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 167ff9a753e..e0cbc5eeae7 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 6e202fb43d0..a83b3e64916 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 ac6be349ff9..55af84ab0ea 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 7080b34d9f8..eff08f1c93c 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 efd0fc640e5..ca3fcccb207 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 7dd515a5f30..2e82a54da14 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 eb3fc636250..1c0b025a3c3 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 274d78c14cc..32c81e76ac6 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 08263fa509b..0bea24033c6 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 846f3dec887..9fd0455c8d1 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 ef280e7316e..5f3e0b37987 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 c56d64e4188..c586dfe067a 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 864bf2d883e..ee65b12fcc1 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 78868109a69..2bc9d2238a2 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 9a33ded47a6..9cb2c965c96 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 c9182ce6646..c8cfee233f0 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 b2c5288ec48..d658f506473 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 08155ef3949..8b3e9adc537 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 991bb81df72..628f1c4d7c1 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 372539c55cb..ea41c9a4b38 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 759a272f686..ba90932a797 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 c3819c9a9f6..6ff7397ad43 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 98059918537..451c59af970 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 49859a0524f..926ce8a2a37 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 0ee7d2a7f68..3efb677ce64 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 1f9f8897fde..82ecd78d966 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 589f3d1f121..761e8933127 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 b246962e2ba..4bf1ce0622b 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 6cba24ecd94..5596927d423 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 d13a6864497..b82df3e9d72 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 993d8f3a3ee..ac75c92581d 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 50c56e53df8..29fcd05aa75 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 b66e5d730f6..acd89c52dfe 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 c59870f674f..8a8d92658c9 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 38513a9593e..b9d1499766e 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 3ce512bc788..bdf9d5029d0 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 f1e7908be13..9efa03a22fe 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 305f503079d..db397aa108f 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 6be8c3aff53..f7ff6788b09 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 d9070acf516..0e88f472524 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 6502d960cb8..133f6b94c14 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 e4fc442810c..57d400eb116 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 362d499d125..c882db4f221 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 440a2d377d7..0963591fcc1 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 45788b835ab..3f1d973b275 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 a7c25a114cc..bb36f488959 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 f6de5c89911..ea9762da93b 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 b0c7076815b..dc0a0898c9f 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 d8a42302760..8d60e443313 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 43eb2ec61ec..b548f7f0951 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 abb8380ff3a..3a745439040 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 3cee11d7ba0..b7bf49dbca4 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 0edc334dd65..004b76dca7a 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 d313a360bbb..2eb31e993a0 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 c7d06a3580e..8f300f2f8ad 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 dc8611b437d..64dcf6b8f47 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 83a328a9227..d99e7162d01 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 43e52b7af01..14717052607 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 033f7a02ac0..3fa5a45bea2 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 6d29de21e77..fbbea575bcd 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 83a328a9227..d99e7162d01 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 fcd4c943704..e907cb67af3 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 1137beea308..c27e348531c 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 011a76a9432..c185766cda9 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v6-provided-in-root/builds/with-npm/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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
\ 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/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/default/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-axios/builds/es6-target/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/es6-target/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-axios/builds/with-interfaces/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/with-interfaces/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-axios/builds/with-npm-version/.openapi-generator/VERSION b/samples/client/petstore/typescript-axios/builds/with-npm-version/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-fetch/builds/es6-target/.openapi-generator/VERSION b/samples/client/petstore/typescript-fetch/builds/es6-target/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-fetch/builds/with-interfaces/.openapi-generator/VERSION b/samples/client/petstore/typescript-fetch/builds/with-interfaces/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 65959c8a308..2e9dd45df1d 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 61aae7c8ca7..89234f99db5 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 e139ca407c5..7e5aef30bcb 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 1fb7b413021..77a23f18c88 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 5debe2f84c6..337af48cc0b 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 4e1d147a0c5..9229fefbb5c 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 1814d637702..48496d82dbd 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 61bd517389a..edaa1d2b8b5 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 b8ec60f9e99..83dd6134b73 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 752e5c32089..f7efbb034a9 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 4e4091726a1..31036ed2c24 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 f3d1b3cace4..a36a067dad6 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 b5b1b280553..8d393cd46e0 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 d438ba42885..a0eec76fb25 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 29186e6bb52..75ba65a6538 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 aa47c6b47da..2d8a69af9c4 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 32d87926070..06f9381522f 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 3529cefaa16..31185f7e492 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 bba97a6ca7f..c6dd8eb5be9 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 ea9af0e3c38..b43ab323bf2 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 9bcb8e9cd82..4f88d087ce8 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 57925775113..852ab655bee 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 1eea5d0899c..44575345cf2 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 227eb0aaf7b..03651f3a439 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 a70ae53fbce..3c27d1a63fa 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 938c787b0ef..878076d59de 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 f14dc2bff3e..4821949ea07 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 0352fc1d9f5..dc4e9af56af 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 85fc4184a0c..53099d3e9dd 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 fdad10d4362..e18374d4bae 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 d139d6e6414..cfe5949dcc5 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 4cf542fdcf6..2612f556fcb 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 ad8c4cac371..4a698f5d7e3 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 5bf520267ad..f7eecdc7ca5 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 1edeb0e020c..88940f8b686 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 98ef9162986..a8d87b8d18e 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 b7ec1d59dbc..3bbf08ded0b 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 9a2f14f946d..cfbf3c42ee7 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 ffbb883a0bd..fdc4eb75407 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 efb8180e1e6..3287f0edafb 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 2eddfee7775..94dcdcff586 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 e039e474d2f..aa91136ec88 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 624813bf0ed..499e030a0f6 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 04199bad530..a9500d8edd4 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 68e093dc88b..79bcab1ca93 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 b8925b7eccb..56126650a19 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 c20a8d23a2c..7686d243432 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 809c9c62431..4dc114c4b65 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 32cc64c466e..9d859897385 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 79f96d52fd9..a7c77af5594 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 677ccb106f1..a19bf5e46fb 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 657654ce9e8..92ad76b5fe0 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 f341400c11b..84e8aa75203 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 c5f35dd7fee..faba95dda01 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 3d43c34ad30..54311eb6ec4 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 13e45306848..b5612a53c46 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 b66ccee7cfe..9a0ae8ff138 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 6925a9ef155..79dbdc8a3d9 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 0ecfe2ff32e..10159eb07e4 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 79132e8b0c5..5fc4330b288 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 669360fee55..547b07c5523 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 1dfe2db9f62..66211bee8d0 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 53ee52ccbc3..f7ebb34cc98 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 1bbe5f64572..f747862fb42 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 38d33da5526..54a73105831 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 3831b1e2dfd..25ee8db1019 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 bfdcc5d6e86..49a00a98ae0 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 4799a949fa5..9e1ca342942 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 6c4ec889b2a..036f9d0fce7 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 a7c9b44a882..67641db313c 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 c5342238425..22b4da20273 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 89656b032c4..769fb143806 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 1080f7a6b93..3888a2acbca 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 3aac20d5349..01739a814f1 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 56c06699e5f..091dbcd8411 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 d72763b1754..48852ba5569 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 515164ea4be..93093478e70 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 8eaba70e32b..53f1a0aa495 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 1f3c3072053..ae8a8b25643 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 6ff7e3b413f..cc76f2903b3 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 86715c7394e..2cf80044760 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 c5d7e6b5a34..0f6f81ae75a 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 0d504dbd2cd..95946267855 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 092f5f2a3aa..970a127d253 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 c5e6c977355..79b5918d80a 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 07c7239ec80..65016c28606 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 9224e29fdbd..3cc7df9e6e3 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 ca5a8391324..86b34f5ccad 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 a0d49bae6b3..412b3004794 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 03dfc42c80c..f4a2370d554 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 781e9ea05b6..68a4b0dc43a 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 3568f79ee19..b83b3727182 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 ac78be001ec..d5cd1a127c5 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 191d616ecdc..7d83b70298c 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 8c2ca111f1a..663fc6976be 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 03638106245..3279f098efe 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 602886f5a64..6e0bfadae7a 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 329a88f46d9..6bad7ab2e1b 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 bce3085de51..f4de899411b 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 988f84325b1..42ddddff86c 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 e9c0be20dbd..d9c8a9bb5a2 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 f1642dde446..5fcb6299065 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 09780d92b52..f6fd81b3ca1 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 f434b7022fe..4c9c784f628 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 4bb7896b085..02232a6d164 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 d6c47a8d485..71013973819 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 1dfde7afc1f..d89a2460ced 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 d75e55996a3..aefed931c95 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 13a8caae0c5..3d409221454 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 739033dc951..08cdb11cfb9 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 1cb9689868b..4594e35f956 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 139ff211f5b..e1ad10bf286 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 f4dc59e1003..ac3865d7311 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 a0a132187b4..975ea9134d5 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 2af7be4caf6..a3d27b5bd41 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 6ecf877b9e1..2b42e29c51a 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 56eeb12d857..f375ba8096d 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 8ba90d5289e..9672d99f1e7 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 822ea45c06a..f0df2170db0 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 66be9a93e69..19e88a7bd8c 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 f26bfd0d7ba..3e894a420de 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 e2466046ea4..89dc4fe8289 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 5d33dae0ef5..8738329398e 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 fda5cbb75c0..aa07d7f86e2 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 4cfd89f819a..4b05888e358 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 7a0a00a2057..2f8366ef552 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 21197e84b3f..a3a78d4b76f 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 9eab46a89b7..337c5c7002c 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 24067f0cd87..af5b62e6003 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 a4b791a17f7..44722fe2893 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 396199ca411..f12f35a3fb9 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 998250d20ae..45322966bc5 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 99aa9482fa3..cabaf4e8cad 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 e7da1699d45..a285dd3e898 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 121bff2f022..cb66978d710 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 02567bdfd45..ae6779e93d1 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 51ab33355e3..8bc81970c33 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 a971e6f5566..1f825aad892 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 344ca690654..841876180d7 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 01b2b965d60..8fe3f0f3d6e 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 830ab1d0f00..52f71511b6e 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 07c31216bc3..a94a6581d0f 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 18cf6197720..8bedfe83840 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 1f12cb43b9c..6499e6c9384 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 406b0dccc95..69fcebec615 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 6db05c48aaa..ed483f018d6 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 459e4deba8f..62814e28236 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 c01bb104a3e..0cfd2a0bafe 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 0546ad92695..4b06f1f9cdd 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 010a1d0efad..c49f4859938 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 6d24ac174c5..f5bd2b3e5a9 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 7d31c85a1d3..19b36fa6aae 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 fa811479dc0..c74cd7476c0 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 ab8318101b5..2de84143b82 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 68509874a7d..262374d278a 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 f82bdde7721..0fca26bc281 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 d87939a4b8a..7633a6473a1 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 32b75d1f088..96803b3cfca 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 665fc352764..cc7b5f5f720 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 eab0edde201..4b5991bef5c 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 8b6da24af4b..e22793a2ca1 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 bcfc925dbf3..30082ec0207 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 1cfbf6659a7..e5a4dbbf7ff 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 c7d622d9703..d7c1b931b97 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 38e51df938c..dae97c9a7f5 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 70788d1e873..58c8c974130 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 0d074b8b9f5..8ffe7f388d2 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 20a476bbe9f..aded7da65e0 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 012f382be79..bac38b69abc 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 b2bc0dc84a6..12fec5a6901 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 6d79193b09a..7e89b7db239 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 5b97445cc16..ea5a393bead 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 29645445838..fba2068c04d 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 167ff9a753e..e0cbc5eeae7 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 7fc8ef59bdc..bf187f0971f 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 132532dde17..fd58eaa21a6 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 f0d6a13636f..dc05c4577c9 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 12c2278ca20..1db2b3c9ef5 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 a202df82415..26ca32b2f75 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 61b633b4085..1fd9faf40aa 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 248006835ed..39178c5a5ac 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 274d78c14cc..32c81e76ac6 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 08263fa509b..0bea24033c6 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 a6885692f64..93a5b0d5fb4 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 08155ef3949..8b3e9adc537 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 991bb81df72..628f1c4d7c1 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 372539c55cb..ea41c9a4b38 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 759a272f686..ba90932a797 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 c3819c9a9f6..6ff7397ad43 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 98059918537..451c59af970 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 49859a0524f..926ce8a2a37 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 0ee7d2a7f68..3efb677ce64 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 1f9f8897fde..82ecd78d966 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 589f3d1f121..761e8933127 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 b246962e2ba..4bf1ce0622b 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 6cba24ecd94..5596927d423 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 d13a6864497..b82df3e9d72 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 993d8f3a3ee..ac75c92581d 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 50c56e53df8..29fcd05aa75 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 903b7f9c9ef..7f4c9c97e87 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 c59870f674f..8a8d92658c9 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 38513a9593e..b9d1499766e 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 829f18ac0d9..46f8aa8a1d9 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 3b015816707..72fe239f298 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 f1e7908be13..9efa03a22fe 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 d94dfae3e1a..e90a77ec8a7 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 859051fae22..812470131b9 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 305f503079d..db397aa108f 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 6be8c3aff53..f7ff6788b09 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 d9070acf516..0e88f472524 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 6502d960cb8..133f6b94c14 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 e4fc442810c..57d400eb116 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 362d499d125..c882db4f221 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 b7a8c99c1b5..f1301d0a83d 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 440a2d377d7..0963591fcc1 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 45788b835ab..3f1d973b275 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 a7c25a114cc..bb36f488959 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 80c852db9fb..7bd96a7abaf 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 0be262b5dfc..48a94827e56 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 9696979e03c..a0ac4c81f07 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 f6de5c89911..ea9762da93b 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 b0c7076815b..dc0a0898c9f 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 d8a42302760..8d60e443313 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 43eb2ec61ec..b548f7f0951 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 abb8380ff3a..3a745439040 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 d313a360bbb..2eb31e993a0 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 dc8611b437d..64dcf6b8f47 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 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/go-gin-api-server/.openapi-generator/VERSION b/samples/server/petstore/go-gin-api-server/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/java-msf4j/.openapi-generator/VERSION
+++ b/samples/server/petstore/java-msf4j/.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/jaxrs-cxf-annotated-base-path/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-cxf-annotated-base-path/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-cxf-annotated-base-path/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-cxf-annotated-base-path/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-cxf-cdi/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-cxf-cdi/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-cxf-cdi/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-cxf-cdi/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-cxf-non-spring-app/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-cxf-non-spring-app/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-cxf-non-spring-app/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-cxf-non-spring-app/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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diff --git a/samples/server/petstore/jaxrs-cxf/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-cxf/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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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\ No newline at end of file
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index 83a328a9227..d99e7162d01 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
diff --git a/samples/server/petstore/jaxrs-jersey/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-jersey/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-jersey/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-jersey/.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/jaxrs-resteasy/default/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-resteasy/default/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-resteasy/default/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-resteasy/default/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ 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 83a328a9227..d99e7162d01 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
diff --git a/samples/server/petstore/jaxrs-resteasy/eap-joda/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-resteasy/eap-joda/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-resteasy/eap-joda/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-resteasy/eap-joda/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ 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 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-resteasy/eap/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-resteasy/eap/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-resteasy/joda/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-resteasy/joda/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-spec-interface/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION b/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs-spec/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs-spec/.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/jaxrs/jersey1-useTags/.openapi-generator/VERSION b/samples/server/petstore/jaxrs/jersey1-useTags/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs/jersey1-useTags/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs/jersey1-useTags/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs/jersey1/.openapi-generator/VERSION b/samples/server/petstore/jaxrs/jersey1/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs/jersey1/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs/jersey1/.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/jaxrs/jersey2-useTags/.openapi-generator/VERSION b/samples/server/petstore/jaxrs/jersey2-useTags/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs/jersey2-useTags/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs/jersey2-useTags/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ No newline at end of file
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\ No newline at end of file
diff --git a/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION b/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/jaxrs/jersey2/.openapi-generator/VERSION
+++ b/samples/server/petstore/jaxrs/jersey2/.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/kotlin-server/ktor/.openapi-generator/VERSION b/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION
+++ b/samples/server/petstore/kotlin-server/ktor/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.0-SNAPSHOT
\ 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 c5ad5592661..0c37a719c01 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 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/php-lumen/.openapi-generator/VERSION b/samples/server/petstore/php-lumen/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 100644
--- a/samples/server/petstore/php-lumen/.openapi-generator/VERSION
+++ b/samples/server/petstore/php-lumen/.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-silex/OpenAPIServer/.openapi-generator/VERSION b/samples/server/petstore/php-silex/OpenAPIServer/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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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\ No newline at end of file
diff --git a/samples/server/petstore/php-slim/.openapi-generator/VERSION b/samples/server/petstore/php-slim/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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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diff --git a/samples/server/petstore/php-symfony/SymfonyBundle-php/.openapi-generator/VERSION b/samples/server/petstore/php-symfony/SymfonyBundle-php/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION b/samples/server/petstore/rust-server/output/rust-server-test/.openapi-generator/VERSION
index 83a328a9227..d99e7162d01 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 83a328a9227..d99e7162d01 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
+5.0.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/server/petstore/spring-mvc-j8-async/src/main/java/org/openapitools/api/AnotherFakeApi.java
index 200571e46f5..63e1edf8d5a 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 50a795a4834..7131e452e24 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 4001c758942..43b54cfdea0 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 e28e479cb12..c191ae98ae2 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 7ad7e7a8e77..32991ddd02f 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 bbec568a4a1..5aa4f1294ef 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 83a328a9227..d99e7162d01 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 491911c3bd8..8fa8de8b913 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 67b6c917770..b449cc54f24 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 2296062bc26..4c71a45705f 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 1eed442687b..bf81229c362 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 52d5b5eb80b..40885e360d5 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 208c959c9a1..5eaa8ab6edd 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 83a328a9227..d99e7162d01 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 3208591b152..a7e416f15a6 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 5162b022f20..30afa76e6ed 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 4ff2855742b..4973979dc19 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 370eb74089c..8c386ce6d16 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 8dad1488c66..af2ec901102 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 95c11daa288..53236596909 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 83a328a9227..d99e7162d01 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 3208591b152..a7e416f15a6 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 5162b022f20..30afa76e6ed 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 4ff2855742b..4973979dc19 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 370eb74089c..8c386ce6d16 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 8dad1488c66..af2ec901102 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 95c11daa288..53236596909 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 83a328a9227..d99e7162d01 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 f59b48e0d80..6b98d70b930 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 e305846684c..6a3cb6c2be4 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 6cc14a31808..51bf2839e5e 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 d54f8f5502f..9748031902c 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 9ed8c53d429..689f4a33256 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 3cfd9cf707c..da8a224572a 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 83a328a9227..d99e7162d01 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 3208591b152..a7e416f15a6 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 5162b022f20..30afa76e6ed 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 4ff2855742b..4973979dc19 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 370eb74089c..8c386ce6d16 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 8dad1488c66..af2ec901102 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 95c11daa288..53236596909 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 83a328a9227..d99e7162d01 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 63e4f575496..6ddfe50f99f 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 cf22349d94d..b6d03262a72 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 4b9b6a8beff..5aab954eb9c 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 00a35ef3810..728c82ef621 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 edfe60f324d..4d78ab6694f 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 b45e6afcc42..d44e1ec9b8c 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 83a328a9227..d99e7162d01 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 353f2ed77b1..dfc5042c0ab 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 e5b842a97be..d3a0f515ad6 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 121b8b7c401..25b16bafabd 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 96c92eee137..65d46836963 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 38dfb5cf45c..8ae70a6c299 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 ae426eeaba3..76cb1fb00a9 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 83a328a9227..d99e7162d01 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 491911c3bd8..8fa8de8b913 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 98dfec25137..e7cd644dfe9 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 2296062bc26..4c71a45705f 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 227710d64cd..693650765b6 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 52d5b5eb80b..40885e360d5 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 208c959c9a1..5eaa8ab6edd 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 83a328a9227..d99e7162d01 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 00a115c4e42..a32444dc065 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 afaba765c2c..763b52017c1 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 c4615f35bd1..4797a715471 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 a8bc0a1f3b6..82e7d980a68 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 c34b3740c8d..aebd4fedf3c 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 1b0bed4ed86..f8718d54bd8 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 83a328a9227..d99e7162d01 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 491911c3bd8..8fa8de8b913 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 4962c13375f..c21cbbdd44b 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 2296062bc26..4c71a45705f 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 1eed442687b..bf81229c362 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 52d5b5eb80b..40885e360d5 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 208c959c9a1..5eaa8ab6edd 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.
  */