diff --git a/modules/openapi-generator/src/main/resources/Java/auth/Authentication.mustache b/modules/openapi-generator/src/main/resources/Java/auth/Authentication.mustache
index 033de98d562a..06affd6a20ad 100644
--- a/modules/openapi-generator/src/main/resources/Java/auth/Authentication.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/auth/Authentication.mustache
@@ -7,6 +7,7 @@ import {{invokerPackage}}.Pair;
 import java.util.Map;
 import java.util.List;
 
+{{>generatedAnnotation}}
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/auth/Authentication.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/auth/Authentication.mustache
index 46d9c1ab6ace..05fba96ddcd8 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/auth/Authentication.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/auth/Authentication.mustache
@@ -9,6 +9,7 @@ import java.net.URI;
 import java.util.Map;
 import java.util.List;
 
+{{>generatedAnnotation}}
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/jersey3/auth/Authentication.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/jersey3/auth/Authentication.mustache
index 46d9c1ab6ace..05fba96ddcd8 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/jersey3/auth/Authentication.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/jersey3/auth/Authentication.mustache
@@ -9,6 +9,7 @@ import java.net.URI;
 import java.util.Map;
 import java.util.List;
 
+{{>generatedAnnotation}}
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/auth/Authentication.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/auth/Authentication.mustache
index c4ad338c793b..44c991d76d4e 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/auth/Authentication.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/okhttp-gson/auth/Authentication.mustache
@@ -9,6 +9,7 @@ import java.net.URI;
 import java.util.Map;
 import java.util.List;
 
+{{>generatedAnnotation}}
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/restclient/auth/Authentication.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/restclient/auth/Authentication.mustache
index 0636a6d96654..a0678c2c5dd9 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/restclient/auth/Authentication.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/restclient/auth/Authentication.mustache
@@ -5,12 +5,14 @@ package {{invokerPackage}}.auth;
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+{{>generatedAnnotation}}
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/resttemplate/auth/Authentication.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/resttemplate/auth/Authentication.mustache
index 0636a6d96654..a0678c2c5dd9 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/resttemplate/auth/Authentication.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/resttemplate/auth/Authentication.mustache
@@ -5,12 +5,14 @@ package {{invokerPackage}}.auth;
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+{{>generatedAnnotation}}
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/vertx/auth/Authentication.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/vertx/auth/Authentication.mustache
index 9d546c300588..ae2b28ee71ca 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/vertx/auth/Authentication.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/vertx/auth/Authentication.mustache
@@ -7,6 +7,7 @@ import io.vertx.core.MultiMap;
 
 import java.util.List;
 
+{{>generatedAnnotation}}
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/webclient/auth/Authentication.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/webclient/auth/Authentication.mustache
index 0636a6d96654..a0678c2c5dd9 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/webclient/auth/Authentication.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/webclient/auth/Authentication.mustache
@@ -5,12 +5,14 @@ package {{invokerPackage}}.auth;
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+{{>generatedAnnotation}}
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/auth/Authentication.java
index 4df1c672327a..bf4528e87b34 100644
--- a/samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -18,6 +18,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/echo_api/java/okhttp-gson-user-defined-templates/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/echo_api/java/okhttp-gson-user-defined-templates/src/main/java/org/openapitools/client/auth/Authentication.java
index 6424dc10e127..479192443ba8 100644
--- a/samples/client/echo_api/java/okhttp-gson-user-defined-templates/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/echo_api/java/okhttp-gson-user-defined-templates/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/echo_api/java/okhttp-gson/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/echo_api/java/okhttp-gson/src/main/java/org/openapitools/client/auth/Authentication.java
index 0ed238fddf1b..7facadb704e9 100644
--- a/samples/client/echo_api/java/okhttp-gson/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/echo_api/java/okhttp-gson/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/echo_api/java/restclient/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/echo_api/java/restclient/src/main/java/org/openapitools/client/auth/Authentication.java
index ade90cb892b5..7e76ddf0ffff 100644
--- a/samples/client/echo_api/java/restclient/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/echo_api/java/restclient/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/auth/Authentication.java
index 4df1c672327a..bf4528e87b34 100644
--- a/samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -18,6 +18,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/auth/Authentication.java
index ade90cb892b5..a854da04ec53 100644
--- a/samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/others/java/jersey2-oneOf-Mixed/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/others/java/jersey2-oneOf-Mixed/src/main/java/org/openapitools/client/auth/Authentication.java
index a1c7b6050286..3a1af85c1b4f 100644
--- a/samples/client/others/java/jersey2-oneOf-Mixed/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/others/java/jersey2-oneOf-Mixed/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/others/java/jersey2-oneOf-duplicates/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/others/java/jersey2-oneOf-duplicates/src/main/java/org/openapitools/client/auth/Authentication.java
index a1c7b6050286..3a1af85c1b4f 100644
--- a/samples/client/others/java/jersey2-oneOf-duplicates/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/others/java/jersey2-oneOf-duplicates/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/others/java/okhttp-gson-oneOf-array/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/others/java/okhttp-gson-oneOf-array/src/main/java/org/openapitools/client/auth/Authentication.java
index 20eab14140cf..a5f9a00c2623 100644
--- a/samples/client/others/java/okhttp-gson-oneOf-array/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/others/java/okhttp-gson-oneOf-array/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/others/java/okhttp-gson-oneOf/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/others/java/okhttp-gson-oneOf/src/main/java/org/openapitools/client/auth/Authentication.java
index 926eb3df5952..0d59e65aa437 100644
--- a/samples/client/others/java/okhttp-gson-oneOf/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/others/java/okhttp-gson-oneOf/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/auth/Authentication.java
index c7e65fb9670a..172eb6de3f0e 100644
--- a/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/others/java/okhttp-gson-streaming/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/others/java/restclient-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/others/java/restclient-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java
index 1ece37a3201c..85623ec71c13 100644
--- a/samples/client/others/java/restclient-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/others/java/restclient-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/others/java/resttemplate-list-schema-validation/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/others/java/resttemplate-list-schema-validation/src/main/java/org/openapitools/client/auth/Authentication.java
index 88a92e06a8b4..2d643a1792fc 100644
--- a/samples/client/others/java/resttemplate-list-schema-validation/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/others/java/resttemplate-list-schema-validation/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/others/java/resttemplate-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/others/java/resttemplate-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java
index 1ece37a3201c..fd9c25450cd3 100644
--- a/samples/client/others/java/resttemplate-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/others/java/resttemplate-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/others/java/webclient-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/others/java/webclient-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java
index 1ece37a3201c..fd9c25450cd3 100644
--- a/samples/client/others/java/webclient-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/others/java/webclient-useAbstractionForFiles/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/auth/Authentication.java
index 5c558b1d5abd..121c027c00bc 100644
--- a/samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -18,6 +18,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/auth/Authentication.java
index 579b5e0d6d53..9050f01c0e49 100644
--- a/samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java
index 579b5e0d6d53..9050f01c0e49 100644
--- a/samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/jersey3-oneOf/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/jersey3-oneOf/src/main/java/org/openapitools/client/auth/Authentication.java
index f127bb765c91..ff74ccf1fcea 100644
--- a/samples/client/petstore/java/jersey3-oneOf/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/jersey3-oneOf/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/jersey3/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/jersey3/src/main/java/org/openapitools/client/auth/Authentication.java
index 579b5e0d6d53..1e8eabee4d89 100644
--- a/samples/client/petstore/java/jersey3/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/jersey3/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson-3.1-duplicated-operationid/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson-3.1-duplicated-operationid/src/main/java/org/openapitools/client/auth/Authentication.java
index 6424dc10e127..479192443ba8 100644
--- a/samples/client/petstore/java/okhttp-gson-3.1-duplicated-operationid/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson-3.1-duplicated-operationid/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/auth/Authentication.java
index 6424dc10e127..479192443ba8 100644
--- a/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson-3.1/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson-awsv4signature/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson-awsv4signature/src/main/java/org/openapitools/client/auth/Authentication.java
index 6424dc10e127..479192443ba8 100644
--- a/samples/client/petstore/java/okhttp-gson-awsv4signature/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson-awsv4signature/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/auth/Authentication.java
index c59d11e0ce99..3df06647cd76 100644
--- a/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson-group-parameter/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson-group-parameter/src/main/java/org/openapitools/client/auth/Authentication.java
index 6424dc10e127..479192443ba8 100644
--- a/samples/client/petstore/java/okhttp-gson-group-parameter/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson-group-parameter/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson-nullable-required/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson-nullable-required/src/main/java/org/openapitools/client/auth/Authentication.java
index 6424dc10e127..479192443ba8 100644
--- a/samples/client/petstore/java/okhttp-gson-nullable-required/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson-nullable-required/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/auth/Authentication.java
index c59d11e0ce99..3df06647cd76 100644
--- a/samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java
index 6424dc10e127..479192443ba8 100644
--- a/samples/client/petstore/java/okhttp-gson-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
index 6424dc10e127..479192443ba8 100644
--- a/samples/client/petstore/java/okhttp-gson-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/auth/Authentication.java
index c59d11e0ce99..3df06647cd76 100644
--- a/samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/restclient-nullable-arrays/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/restclient-nullable-arrays/src/main/java/org/openapitools/client/auth/Authentication.java
index 36b3e03c5597..d4930dca7c7b 100644
--- a/samples/client/petstore/java/restclient-nullable-arrays/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/restclient-nullable-arrays/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/restclient-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/restclient-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
index a21f87b8e8fd..5120cac139aa 100644
--- a/samples/client/petstore/java/restclient-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/restclient-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/restclient-useSingleRequestParameter/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/restclient-useSingleRequestParameter/src/main/java/org/openapitools/client/auth/Authentication.java
index a21f87b8e8fd..5120cac139aa 100644
--- a/samples/client/petstore/java/restclient-useSingleRequestParameter/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/restclient-useSingleRequestParameter/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/restclient/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/restclient/src/main/java/org/openapitools/client/auth/Authentication.java
index a21f87b8e8fd..5120cac139aa 100644
--- a/samples/client/petstore/java/restclient/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/restclient/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/resteasy/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/resteasy/src/main/java/org/openapitools/client/auth/Authentication.java
index 5c558b1d5abd..121c027c00bc 100644
--- a/samples/client/petstore/java/resteasy/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/resteasy/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -18,6 +18,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/resttemplate-jakarta/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/resttemplate-jakarta/src/main/java/org/openapitools/client/auth/Authentication.java
index ec0309b6d825..c38cd320d509 100644
--- a/samples/client/petstore/java/resttemplate-jakarta/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/resttemplate-jakarta/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/resttemplate-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/resttemplate-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java
index ec0309b6d825..7843e7b877cf 100644
--- a/samples/client/petstore/java/resttemplate-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/resttemplate-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/resttemplate-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/resttemplate-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
index ec0309b6d825..7843e7b877cf 100644
--- a/samples/client/petstore/java/resttemplate-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/resttemplate-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/resttemplate-withXml/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/resttemplate-withXml/src/main/java/org/openapitools/client/auth/Authentication.java
index a21f87b8e8fd..a228a3a865f7 100644
--- a/samples/client/petstore/java/resttemplate-withXml/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/resttemplate-withXml/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/resttemplate/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/resttemplate/src/main/java/org/openapitools/client/auth/Authentication.java
index a21f87b8e8fd..a228a3a865f7 100644
--- a/samples/client/petstore/java/resttemplate/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/resttemplate/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/retrofit2-play26/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/retrofit2-play26/src/main/java/org/openapitools/client/auth/Authentication.java
index 5c558b1d5abd..039a2dd6703e 100644
--- a/samples/client/petstore/java/retrofit2-play26/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/retrofit2-play26/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -18,6 +18,7 @@
 import java.util.Map;
 import java.util.List;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/vertx-no-nullable/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/vertx-no-nullable/src/main/java/org/openapitools/client/auth/Authentication.java
index 08b071ee036f..0b0e09cbea0d 100644
--- a/samples/client/petstore/java/vertx-no-nullable/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/vertx-no-nullable/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -18,6 +18,7 @@
 
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/vertx-supportVertxFuture/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/vertx-supportVertxFuture/src/main/java/org/openapitools/client/auth/Authentication.java
index 08b071ee036f..0b0e09cbea0d 100644
--- a/samples/client/petstore/java/vertx-supportVertxFuture/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/vertx-supportVertxFuture/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -18,6 +18,7 @@
 
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/vertx/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/vertx/src/main/java/org/openapitools/client/auth/Authentication.java
index 08b071ee036f..0b0e09cbea0d 100644
--- a/samples/client/petstore/java/vertx/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/vertx/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -18,6 +18,7 @@
 
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/client/petstore/java/webclient-jakarta/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/webclient-jakarta/src/main/java/org/openapitools/client/auth/Authentication.java
index a21f87b8e8fd..5120cac139aa 100644
--- a/samples/client/petstore/java/webclient-jakarta/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/webclient-jakarta/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/webclient-nullable-arrays/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/webclient-nullable-arrays/src/main/java/org/openapitools/client/auth/Authentication.java
index 36b3e03c5597..8946d022d521 100644
--- a/samples/client/petstore/java/webclient-nullable-arrays/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/webclient-nullable-arrays/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/webclient-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/webclient-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
index a21f87b8e8fd..a228a3a865f7 100644
--- a/samples/client/petstore/java/webclient-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/webclient-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/webclient-useSingleRequestParameter/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/webclient-useSingleRequestParameter/src/main/java/org/openapitools/client/auth/Authentication.java
index a21f87b8e8fd..a228a3a865f7 100644
--- a/samples/client/petstore/java/webclient-useSingleRequestParameter/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/webclient-useSingleRequestParameter/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/client/petstore/java/webclient/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/client/petstore/java/webclient/src/main/java/org/openapitools/client/auth/Authentication.java
index a21f87b8e8fd..a228a3a865f7 100644
--- a/samples/client/petstore/java/webclient/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/client/petstore/java/webclient/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -16,12 +16,14 @@
 import org.springframework.http.HttpHeaders;
 import org.springframework.util.MultiValueMap;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and / or query parameters.
+     *
      * @param queryParams The query parameters for the request
      * @param headerParams The header parameters for the request
      * @param cookieParams The cookie parameters for the request
      */
-    public void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
+    void applyToParams(MultiValueMap<String, String> queryParams, HttpHeaders headerParams, MultiValueMap<String, String> cookieParams);
 }
diff --git a/samples/openapi3/client/extensions/x-auth-id-alias/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/openapi3/client/extensions/x-auth-id-alias/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java
index 56295a0d83cd..727cc36a96f0 100644
--- a/samples/openapi3/client/extensions/x-auth-id-alias/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/openapi3/client/extensions/x-auth-id-alias/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/openapi3/client/petstore/java/jersey2-java8-special-characters/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/openapi3/client/petstore/java/jersey2-java8-special-characters/src/main/java/org/openapitools/client/auth/Authentication.java
index accc79798b70..e7932723ae89 100644
--- a/samples/openapi3/client/petstore/java/jersey2-java8-special-characters/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/openapi3/client/petstore/java/jersey2-java8-special-characters/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/openapi3/client/petstore/java/jersey2-java8-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/openapi3/client/petstore/java/jersey2-java8-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java
index e5097356c75c..801439962ed2 100644
--- a/samples/openapi3/client/petstore/java/jersey2-java8-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/openapi3/client/petstore/java/jersey2-java8-swagger1/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/openapi3/client/petstore/java/jersey2-java8-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/openapi3/client/petstore/java/jersey2-java8-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
index e5097356c75c..801439962ed2 100644
--- a/samples/openapi3/client/petstore/java/jersey2-java8-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/openapi3/client/petstore/java/jersey2-java8-swagger2/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.
diff --git a/samples/openapi3/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java b/samples/openapi3/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java
index 579b5e0d6d53..9050f01c0e49 100644
--- a/samples/openapi3/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java
+++ b/samples/openapi3/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/auth/Authentication.java
@@ -20,6 +20,7 @@
 import java.util.Map;
 import java.util.List;
 
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.13.0-SNAPSHOT")
 public interface Authentication {
     /**
      * Apply authentication settings to header and query params.