Include licenseInfo for all the generated java code files (#19273)

* Include license info for all the generated java code files

* Re-base generate

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/ApiClient.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import java.util.LinkedHashMap;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/ApiResponseDecoder.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import com.fasterxml.jackson.databind.ObjectMapper;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/EncodingUtils.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import java.io.UnsupportedEncodingException;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/ParamExpander.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import feign.Param;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/ServerConfiguration.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import java.util.Map;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/ServerVariable.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import java.util.HashSet;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/auth/ApiErrorDecoder.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import java.util.Date;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/auth/ApiKeyAuth.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import feign.RequestInterceptor;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/auth/DefaultApi20Impl.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import com.github.scribejava.core.builder.api.DefaultApi20;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/auth/HttpBasicAuth.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import feign.RequestInterceptor;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/auth/HttpBearerAuth.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import feign.RequestInterceptor;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/auth/OAuth.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import com.github.scribejava.core.model.OAuth2AccessToken;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/auth/OauthClientCredentialsGrant.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import com.github.scribejava.core.builder.ServiceBuilder;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/auth/OauthPasswordGrant.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import com.github.scribejava.core.builder.ServiceBuilder;

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/ApiResponse.java

@@ -1,3 +1,16 @@
+/*
+ * OpenAPI Petstore
+ * This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\
+ *
+ * The version of the OpenAPI document: 1.0.0
+ * 
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.model;
 
 import java.util.Map;