diff --git a/modules/swagger-codegen/src/main/resources/Javascript/ApiClient.mustache b/modules/swagger-codegen/src/main/resources/Javascript/ApiClient.mustache
index 5d3635e1ffd..33c2dea0596 100644
--- a/modules/swagger-codegen/src/main/resources/Javascript/ApiClient.mustache
+++ b/modules/swagger-codegen/src/main/resources/Javascript/ApiClient.mustache
@@ -2,18 +2,18 @@
 (function(root, factory) {
   if (typeof define === 'function' && define.amd) {
     // AMD. Register as an anonymous module.
-    define(['superagent', 'querystring'], factory);
+    define(['superagent'], factory);
   } else if (typeof module === 'object' && module.exports) {
     // CommonJS-like environments that support module.exports, like Node.
-    module.exports = factory(require('superagent'), require('querystring'));
+    module.exports = factory(require('superagent'));
   } else {
     // Browser globals (root is window)
     if (!root.{{moduleName}}) {
       root.{{moduleName}} = {};
     }
-    root.{{moduleName}}.ApiClient = factory(root.superagent, root.querystring);
+    root.{{moduleName}}.ApiClient = factory(root.superagent);
   }
-}(this, function(superagent, querystring) {
+}(this, function(superagent) {
   'use strict';
 
 {{#emitJSDoc}}  /**
@@ -432,7 +432,8 @@
     }
 
     if (contentType === 'application/x-www-form-urlencoded') {
-      request.send(querystring.stringify(this.normalizeParams(formParams)));
+        const searchParams = new URLSearchParams(this.normalizeParams(formParams));
+        request.send(searchParams.toString());
     } else if (contentType == 'multipart/form-data') {
       var _formParams = this.normalizeParams(formParams);
       for (var key in _formParams) {
diff --git a/modules/swagger-codegen/src/main/resources/Javascript/es6/ApiClient.mustache b/modules/swagger-codegen/src/main/resources/Javascript/es6/ApiClient.mustache
index d1f835e1e51..9d34d6aed5e 100644
--- a/modules/swagger-codegen/src/main/resources/Javascript/es6/ApiClient.mustache
+++ b/modules/swagger-codegen/src/main/resources/Javascript/es6/ApiClient.mustache
@@ -1,6 +1,5 @@
 {{>licenseInfo}}
 import superagent from "superagent";
-import querystring from "querystring";
 
 {{#emitJSDoc}}/**
 * @module {{#invokerPackage}}{{invokerPackage}}/{{/invokerPackage}}ApiClient
@@ -420,7 +419,8 @@ export class ApiClient {
         }
 
         if (contentType === 'application/x-www-form-urlencoded') {
-            request.send(querystring.stringify(this.normalizeParams(formParams)));
+            const searchParams = new URLSearchParams(this.normalizeParams(formParams));
+            request.send(searchParams.toString());
         } else if (contentType == 'multipart/form-data') {
             var _formParams = this.normalizeParams(formParams);
             for (var key in _formParams) {
diff --git a/modules/swagger-codegen/src/main/resources/Javascript/package.mustache b/modules/swagger-codegen/src/main/resources/Javascript/package.mustache
index bf25d5cb675..8f3a74e262c 100644
--- a/modules/swagger-codegen/src/main/resources/Javascript/package.mustache
+++ b/modules/swagger-codegen/src/main/resources/Javascript/package.mustache
@@ -11,8 +11,7 @@
     "fs": false
   },
   "dependencies": {
-    "superagent": "3.7.0",
-    "querystring": "0.2.0"
+    "superagent": "3.7.0"
   },
   "devDependencies": {
     "mocha": "~2.3.4",
diff --git a/samples/client/petstore/javascript-es6/.swagger-codegen/VERSION b/samples/client/petstore/javascript-es6/.swagger-codegen/VERSION
index 8c7754221a4..cfd1b966621 100644
--- a/samples/client/petstore/javascript-es6/.swagger-codegen/VERSION
+++ b/samples/client/petstore/javascript-es6/.swagger-codegen/VERSION
@@ -1 +1 @@
-2.4.19-SNAPSHOT
\ No newline at end of file
+2.4.33-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/javascript-es6/src/ApiClient.js b/samples/client/petstore/javascript-es6/src/ApiClient.js
index 932d4702c0d..56a4d75c025 100644
--- a/samples/client/petstore/javascript-es6/src/ApiClient.js
+++ b/samples/client/petstore/javascript-es6/src/ApiClient.js
@@ -8,14 +8,13 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
  */
 
 import superagent from "superagent";
-import querystring from "querystring";
 
 /**
 * @module ApiClient
@@ -425,7 +424,8 @@ export class ApiClient {
         }
 
         if (contentType === 'application/x-www-form-urlencoded') {
-            request.send(querystring.stringify(this.normalizeParams(formParams)));
+            const searchParams = new URLSearchParams(this.normalizeParams(formParams));
+            request.send(searchParams.toString());
         } else if (contentType == 'multipart/form-data') {
             var _formParams = this.normalizeParams(formParams);
             for (var key in _formParams) {
diff --git a/samples/client/petstore/javascript-es6/src/api/AnotherFakeApi.js b/samples/client/petstore/javascript-es6/src/api/AnotherFakeApi.js
index d819ec91e9b..d8653ed7bed 100644
--- a/samples/client/petstore/javascript-es6/src/api/AnotherFakeApi.js
+++ b/samples/client/petstore/javascript-es6/src/api/AnotherFakeApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/api/FakeApi.js b/samples/client/petstore/javascript-es6/src/api/FakeApi.js
index 87aaa4c40a0..bd402a359aa 100644
--- a/samples/client/petstore/javascript-es6/src/api/FakeApi.js
+++ b/samples/client/petstore/javascript-es6/src/api/FakeApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/api/FakeClassnameTags123Api.js b/samples/client/petstore/javascript-es6/src/api/FakeClassnameTags123Api.js
index 60683973570..6ceaeaa451b 100644
--- a/samples/client/petstore/javascript-es6/src/api/FakeClassnameTags123Api.js
+++ b/samples/client/petstore/javascript-es6/src/api/FakeClassnameTags123Api.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/api/PetApi.js b/samples/client/petstore/javascript-es6/src/api/PetApi.js
index 2aaf692fde7..bb216d4c33a 100644
--- a/samples/client/petstore/javascript-es6/src/api/PetApi.js
+++ b/samples/client/petstore/javascript-es6/src/api/PetApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/api/StoreApi.js b/samples/client/petstore/javascript-es6/src/api/StoreApi.js
index 826634db690..9f718331f15 100644
--- a/samples/client/petstore/javascript-es6/src/api/StoreApi.js
+++ b/samples/client/petstore/javascript-es6/src/api/StoreApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/api/UserApi.js b/samples/client/petstore/javascript-es6/src/api/UserApi.js
index 55cf8487567..951a4144f91 100644
--- a/samples/client/petstore/javascript-es6/src/api/UserApi.js
+++ b/samples/client/petstore/javascript-es6/src/api/UserApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/index.js b/samples/client/petstore/javascript-es6/src/index.js
index acfb2cd0589..219c5d4ca2f 100644
--- a/samples/client/petstore/javascript-es6/src/index.js
+++ b/samples/client/petstore/javascript-es6/src/index.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/AdditionalPropertiesClass.js b/samples/client/petstore/javascript-es6/src/model/AdditionalPropertiesClass.js
index ed5640380a3..e7cec7e2793 100644
--- a/samples/client/petstore/javascript-es6/src/model/AdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript-es6/src/model/AdditionalPropertiesClass.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Animal.js b/samples/client/petstore/javascript-es6/src/model/Animal.js
index 2a618a6cb53..7a7169a0bb6 100644
--- a/samples/client/petstore/javascript-es6/src/model/Animal.js
+++ b/samples/client/petstore/javascript-es6/src/model/Animal.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/AnimalFarm.js b/samples/client/petstore/javascript-es6/src/model/AnimalFarm.js
index 4e2f7ea9862..fe213e49b35 100644
--- a/samples/client/petstore/javascript-es6/src/model/AnimalFarm.js
+++ b/samples/client/petstore/javascript-es6/src/model/AnimalFarm.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/ApiResponse.js b/samples/client/petstore/javascript-es6/src/model/ApiResponse.js
index 0b3ca39910d..4367decdcfe 100644
--- a/samples/client/petstore/javascript-es6/src/model/ApiResponse.js
+++ b/samples/client/petstore/javascript-es6/src/model/ApiResponse.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/ArrayOfArrayOfNumberOnly.js b/samples/client/petstore/javascript-es6/src/model/ArrayOfArrayOfNumberOnly.js
index 6501d321fa1..e20a7814ea2 100644
--- a/samples/client/petstore/javascript-es6/src/model/ArrayOfArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript-es6/src/model/ArrayOfArrayOfNumberOnly.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/ArrayOfNumberOnly.js b/samples/client/petstore/javascript-es6/src/model/ArrayOfNumberOnly.js
index 0a143e1c413..e76e11bf148 100644
--- a/samples/client/petstore/javascript-es6/src/model/ArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript-es6/src/model/ArrayOfNumberOnly.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/ArrayTest.js b/samples/client/petstore/javascript-es6/src/model/ArrayTest.js
index 02ad0e296ce..c8f767fb382 100644
--- a/samples/client/petstore/javascript-es6/src/model/ArrayTest.js
+++ b/samples/client/petstore/javascript-es6/src/model/ArrayTest.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Capitalization.js b/samples/client/petstore/javascript-es6/src/model/Capitalization.js
index d75f297252f..4a5178107d4 100644
--- a/samples/client/petstore/javascript-es6/src/model/Capitalization.js
+++ b/samples/client/petstore/javascript-es6/src/model/Capitalization.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Cat.js b/samples/client/petstore/javascript-es6/src/model/Cat.js
index 391b11b5e0e..f220f3616ef 100644
--- a/samples/client/petstore/javascript-es6/src/model/Cat.js
+++ b/samples/client/petstore/javascript-es6/src/model/Cat.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Category.js b/samples/client/petstore/javascript-es6/src/model/Category.js
index fcef92eb6ef..806ee9660b8 100644
--- a/samples/client/petstore/javascript-es6/src/model/Category.js
+++ b/samples/client/petstore/javascript-es6/src/model/Category.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/ClassModel.js b/samples/client/petstore/javascript-es6/src/model/ClassModel.js
index 09e8ec37f3f..42270c66cf9 100644
--- a/samples/client/petstore/javascript-es6/src/model/ClassModel.js
+++ b/samples/client/petstore/javascript-es6/src/model/ClassModel.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Client.js b/samples/client/petstore/javascript-es6/src/model/Client.js
index 97d9faa40dd..b9b4f4d323e 100644
--- a/samples/client/petstore/javascript-es6/src/model/Client.js
+++ b/samples/client/petstore/javascript-es6/src/model/Client.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Dog.js b/samples/client/petstore/javascript-es6/src/model/Dog.js
index 21960528377..ba91e39b016 100644
--- a/samples/client/petstore/javascript-es6/src/model/Dog.js
+++ b/samples/client/petstore/javascript-es6/src/model/Dog.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/EnumArrays.js b/samples/client/petstore/javascript-es6/src/model/EnumArrays.js
index 7516904e7b7..791453de3b4 100644
--- a/samples/client/petstore/javascript-es6/src/model/EnumArrays.js
+++ b/samples/client/petstore/javascript-es6/src/model/EnumArrays.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/EnumClass.js b/samples/client/petstore/javascript-es6/src/model/EnumClass.js
index dd28774737f..a8184f101ab 100644
--- a/samples/client/petstore/javascript-es6/src/model/EnumClass.js
+++ b/samples/client/petstore/javascript-es6/src/model/EnumClass.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/EnumTest.js b/samples/client/petstore/javascript-es6/src/model/EnumTest.js
index 00a79562c9d..3936b851c33 100644
--- a/samples/client/petstore/javascript-es6/src/model/EnumTest.js
+++ b/samples/client/petstore/javascript-es6/src/model/EnumTest.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/FormatTest.js b/samples/client/petstore/javascript-es6/src/model/FormatTest.js
index 5bfda057a23..8ccb483d72f 100644
--- a/samples/client/petstore/javascript-es6/src/model/FormatTest.js
+++ b/samples/client/petstore/javascript-es6/src/model/FormatTest.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/HasOnlyReadOnly.js b/samples/client/petstore/javascript-es6/src/model/HasOnlyReadOnly.js
index c23239d7860..316ba0ba520 100644
--- a/samples/client/petstore/javascript-es6/src/model/HasOnlyReadOnly.js
+++ b/samples/client/petstore/javascript-es6/src/model/HasOnlyReadOnly.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Ints.js b/samples/client/petstore/javascript-es6/src/model/Ints.js
index 7cacc17b6bd..53848cf5d17 100644
--- a/samples/client/petstore/javascript-es6/src/model/Ints.js
+++ b/samples/client/petstore/javascript-es6/src/model/Ints.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/List.js b/samples/client/petstore/javascript-es6/src/model/List.js
index 52934bc5de5..1ebb7a09381 100644
--- a/samples/client/petstore/javascript-es6/src/model/List.js
+++ b/samples/client/petstore/javascript-es6/src/model/List.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/MapTest.js b/samples/client/petstore/javascript-es6/src/model/MapTest.js
index cea2ab34bfe..10fd239eec8 100644
--- a/samples/client/petstore/javascript-es6/src/model/MapTest.js
+++ b/samples/client/petstore/javascript-es6/src/model/MapTest.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/MixedPropertiesAndAdditionalPropertiesClass.js b/samples/client/petstore/javascript-es6/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
index 9989a325116..da3de2be00d 100644
--- a/samples/client/petstore/javascript-es6/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript-es6/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Model200Response.js b/samples/client/petstore/javascript-es6/src/model/Model200Response.js
index 15ffc4ac9cd..cdec490dd08 100644
--- a/samples/client/petstore/javascript-es6/src/model/Model200Response.js
+++ b/samples/client/petstore/javascript-es6/src/model/Model200Response.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/ModelBoolean.js b/samples/client/petstore/javascript-es6/src/model/ModelBoolean.js
index 2081ddf8acd..dbf420d5731 100644
--- a/samples/client/petstore/javascript-es6/src/model/ModelBoolean.js
+++ b/samples/client/petstore/javascript-es6/src/model/ModelBoolean.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/ModelReturn.js b/samples/client/petstore/javascript-es6/src/model/ModelReturn.js
index 44ca381d35f..4d920ff2b7b 100644
--- a/samples/client/petstore/javascript-es6/src/model/ModelReturn.js
+++ b/samples/client/petstore/javascript-es6/src/model/ModelReturn.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Name.js b/samples/client/petstore/javascript-es6/src/model/Name.js
index 12032449df8..36ac2eb1602 100644
--- a/samples/client/petstore/javascript-es6/src/model/Name.js
+++ b/samples/client/petstore/javascript-es6/src/model/Name.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/NumberOnly.js b/samples/client/petstore/javascript-es6/src/model/NumberOnly.js
index 024585071f5..d15e1a1bcaa 100644
--- a/samples/client/petstore/javascript-es6/src/model/NumberOnly.js
+++ b/samples/client/petstore/javascript-es6/src/model/NumberOnly.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Numbers.js b/samples/client/petstore/javascript-es6/src/model/Numbers.js
index 51f1d041548..c455713ceda 100644
--- a/samples/client/petstore/javascript-es6/src/model/Numbers.js
+++ b/samples/client/petstore/javascript-es6/src/model/Numbers.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Order.js b/samples/client/petstore/javascript-es6/src/model/Order.js
index 2e87f9d2bfe..3826ac5afd2 100644
--- a/samples/client/petstore/javascript-es6/src/model/Order.js
+++ b/samples/client/petstore/javascript-es6/src/model/Order.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/OuterBoolean.js b/samples/client/petstore/javascript-es6/src/model/OuterBoolean.js
index 3b44210d1d3..e20bb6ec52d 100644
--- a/samples/client/petstore/javascript-es6/src/model/OuterBoolean.js
+++ b/samples/client/petstore/javascript-es6/src/model/OuterBoolean.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/OuterComposite.js b/samples/client/petstore/javascript-es6/src/model/OuterComposite.js
index a2ccca9d1df..04075fa305b 100644
--- a/samples/client/petstore/javascript-es6/src/model/OuterComposite.js
+++ b/samples/client/petstore/javascript-es6/src/model/OuterComposite.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/OuterEnum.js b/samples/client/petstore/javascript-es6/src/model/OuterEnum.js
index 8e7a43c763d..fabb8ffaa4c 100644
--- a/samples/client/petstore/javascript-es6/src/model/OuterEnum.js
+++ b/samples/client/petstore/javascript-es6/src/model/OuterEnum.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/OuterNumber.js b/samples/client/petstore/javascript-es6/src/model/OuterNumber.js
index e4f426cf543..ea473ede34f 100644
--- a/samples/client/petstore/javascript-es6/src/model/OuterNumber.js
+++ b/samples/client/petstore/javascript-es6/src/model/OuterNumber.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/OuterString.js b/samples/client/petstore/javascript-es6/src/model/OuterString.js
index e69620d77be..ba44bb43431 100644
--- a/samples/client/petstore/javascript-es6/src/model/OuterString.js
+++ b/samples/client/petstore/javascript-es6/src/model/OuterString.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Pet.js b/samples/client/petstore/javascript-es6/src/model/Pet.js
index a6c6bd83e9b..4f0d695ece9 100644
--- a/samples/client/petstore/javascript-es6/src/model/Pet.js
+++ b/samples/client/petstore/javascript-es6/src/model/Pet.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/ReadOnlyFirst.js b/samples/client/petstore/javascript-es6/src/model/ReadOnlyFirst.js
index fc4482c77af..de02855c1a2 100644
--- a/samples/client/petstore/javascript-es6/src/model/ReadOnlyFirst.js
+++ b/samples/client/petstore/javascript-es6/src/model/ReadOnlyFirst.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/SpecialModelName.js b/samples/client/petstore/javascript-es6/src/model/SpecialModelName.js
index a7943b45f99..3f7137f0fb4 100644
--- a/samples/client/petstore/javascript-es6/src/model/SpecialModelName.js
+++ b/samples/client/petstore/javascript-es6/src/model/SpecialModelName.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/Tag.js b/samples/client/petstore/javascript-es6/src/model/Tag.js
index 943b79af3ea..aa073b2e20e 100644
--- a/samples/client/petstore/javascript-es6/src/model/Tag.js
+++ b/samples/client/petstore/javascript-es6/src/model/Tag.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript-es6/src/model/User.js b/samples/client/petstore/javascript-es6/src/model/User.js
index 302b552db5a..be7c98a6710 100644
--- a/samples/client/petstore/javascript-es6/src/model/User.js
+++ b/samples/client/petstore/javascript-es6/src/model/User.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/.swagger-codegen/VERSION b/samples/client/petstore/javascript/.swagger-codegen/VERSION
index 8c7754221a4..cfd1b966621 100644
--- a/samples/client/petstore/javascript/.swagger-codegen/VERSION
+++ b/samples/client/petstore/javascript/.swagger-codegen/VERSION
@@ -1 +1 @@
-2.4.19-SNAPSHOT
\ No newline at end of file
+2.4.33-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/javascript/src/ApiClient.js b/samples/client/petstore/javascript/src/ApiClient.js
index 4ee20bbab12..58ce1c19dd7 100644
--- a/samples/client/petstore/javascript/src/ApiClient.js
+++ b/samples/client/petstore/javascript/src/ApiClient.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
@@ -17,18 +17,18 @@
 (function(root, factory) {
   if (typeof define === 'function' && define.amd) {
     // AMD. Register as an anonymous module.
-    define(['superagent', 'querystring'], factory);
+    define(['superagent'], factory);
   } else if (typeof module === 'object' && module.exports) {
     // CommonJS-like environments that support module.exports, like Node.
-    module.exports = factory(require('superagent'), require('querystring'));
+    module.exports = factory(require('superagent'));
   } else {
     // Browser globals (root is window)
     if (!root.SwaggerPetstore) {
       root.SwaggerPetstore = {};
     }
-    root.SwaggerPetstore.ApiClient = factory(root.superagent, root.querystring);
+    root.SwaggerPetstore.ApiClient = factory(root.superagent);
   }
-}(this, function(superagent, querystring) {
+}(this, function(superagent) {
   'use strict';
 
   /**
@@ -439,7 +439,8 @@
     }
 
     if (contentType === 'application/x-www-form-urlencoded') {
-      request.send(querystring.stringify(this.normalizeParams(formParams)));
+        const searchParams = new URLSearchParams(this.normalizeParams(formParams));
+        request.send(searchParams.toString());
     } else if (contentType == 'multipart/form-data') {
       var _formParams = this.normalizeParams(formParams);
       for (var key in _formParams) {
diff --git a/samples/client/petstore/javascript/src/api/AnotherFakeApi.js b/samples/client/petstore/javascript/src/api/AnotherFakeApi.js
index 53ddab30c86..b27e87a2b18 100644
--- a/samples/client/petstore/javascript/src/api/AnotherFakeApi.js
+++ b/samples/client/petstore/javascript/src/api/AnotherFakeApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-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 f238a44c736..5e4fdc2616e 100644
--- a/samples/client/petstore/javascript/src/api/FakeApi.js
+++ b/samples/client/petstore/javascript/src/api/FakeApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-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 3269fecd91e..418d58d5b91 100644
--- a/samples/client/petstore/javascript/src/api/FakeClassnameTags123Api.js
+++ b/samples/client/petstore/javascript/src/api/FakeClassnameTags123Api.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-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 91065fb9f2b..c4fd236afff 100644
--- a/samples/client/petstore/javascript/src/api/PetApi.js
+++ b/samples/client/petstore/javascript/src/api/PetApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-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 6ff3486e5f6..129af5f08f6 100644
--- a/samples/client/petstore/javascript/src/api/StoreApi.js
+++ b/samples/client/petstore/javascript/src/api/StoreApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-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 32dcc1165a6..3bbc59b432a 100644
--- a/samples/client/petstore/javascript/src/api/UserApi.js
+++ b/samples/client/petstore/javascript/src/api/UserApi.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-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 797f4c56d52..e19b07cdf50 100644
--- a/samples/client/petstore/javascript/src/index.js
+++ b/samples/client/petstore/javascript/src/index.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-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 7cd76ec3ee3..8034521829c 100644
--- a/samples/client/petstore/javascript/src/model/AdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript/src/model/AdditionalPropertiesClass.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-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 47edcd1c604..25ca9f26c1e 100644
--- a/samples/client/petstore/javascript/src/model/Animal.js
+++ b/samples/client/petstore/javascript/src/model/Animal.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/AnimalFarm.js b/samples/client/petstore/javascript/src/model/AnimalFarm.js
index ff9628066b4..89a2dcbf175 100644
--- a/samples/client/petstore/javascript/src/model/AnimalFarm.js
+++ b/samples/client/petstore/javascript/src/model/AnimalFarm.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ApiResponse.js b/samples/client/petstore/javascript/src/model/ApiResponse.js
index da0c22dcc92..6f8d18fbec9 100644
--- a/samples/client/petstore/javascript/src/model/ApiResponse.js
+++ b/samples/client/petstore/javascript/src/model/ApiResponse.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js b/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js
index f608f4d9b93..6cf82b6c8c3 100644
--- a/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript/src/model/ArrayOfArrayOfNumberOnly.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js b/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
index 3a7c8977bf8..037d71c102d 100644
--- a/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
+++ b/samples/client/petstore/javascript/src/model/ArrayOfNumberOnly.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ArrayTest.js b/samples/client/petstore/javascript/src/model/ArrayTest.js
index 7c949698795..bcc1553c71b 100644
--- a/samples/client/petstore/javascript/src/model/ArrayTest.js
+++ b/samples/client/petstore/javascript/src/model/ArrayTest.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-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 72b9089712e..748eb9679d2 100644
--- a/samples/client/petstore/javascript/src/model/Capitalization.js
+++ b/samples/client/petstore/javascript/src/model/Capitalization.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Cat.js b/samples/client/petstore/javascript/src/model/Cat.js
index b42e39b8ed5..08c1b9db763 100644
--- a/samples/client/petstore/javascript/src/model/Cat.js
+++ b/samples/client/petstore/javascript/src/model/Cat.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Category.js b/samples/client/petstore/javascript/src/model/Category.js
index 1cc589f2349..0a2177b447e 100644
--- a/samples/client/petstore/javascript/src/model/Category.js
+++ b/samples/client/petstore/javascript/src/model/Category.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ClassModel.js b/samples/client/petstore/javascript/src/model/ClassModel.js
index aabc4fb96ac..0e94026a776 100644
--- a/samples/client/petstore/javascript/src/model/ClassModel.js
+++ b/samples/client/petstore/javascript/src/model/ClassModel.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Client.js b/samples/client/petstore/javascript/src/model/Client.js
index a44516d1f7b..9141f3a4c02 100644
--- a/samples/client/petstore/javascript/src/model/Client.js
+++ b/samples/client/petstore/javascript/src/model/Client.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Dog.js b/samples/client/petstore/javascript/src/model/Dog.js
index f2104536924..792c7283ea7 100644
--- a/samples/client/petstore/javascript/src/model/Dog.js
+++ b/samples/client/petstore/javascript/src/model/Dog.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/EnumArrays.js b/samples/client/petstore/javascript/src/model/EnumArrays.js
index fecb50ad076..78869695714 100644
--- a/samples/client/petstore/javascript/src/model/EnumArrays.js
+++ b/samples/client/petstore/javascript/src/model/EnumArrays.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/EnumClass.js b/samples/client/petstore/javascript/src/model/EnumClass.js
index 174f3cca5c3..1d443c3aff5 100644
--- a/samples/client/petstore/javascript/src/model/EnumClass.js
+++ b/samples/client/petstore/javascript/src/model/EnumClass.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/EnumTest.js b/samples/client/petstore/javascript/src/model/EnumTest.js
index c661b56fbe6..74373bc7420 100644
--- a/samples/client/petstore/javascript/src/model/EnumTest.js
+++ b/samples/client/petstore/javascript/src/model/EnumTest.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/FormatTest.js b/samples/client/petstore/javascript/src/model/FormatTest.js
index 777863572c3..df4045eb05f 100644
--- a/samples/client/petstore/javascript/src/model/FormatTest.js
+++ b/samples/client/petstore/javascript/src/model/FormatTest.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js b/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
index 30c458c51b2..5079653b1a9 100644
--- a/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
+++ b/samples/client/petstore/javascript/src/model/HasOnlyReadOnly.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Ints.js b/samples/client/petstore/javascript/src/model/Ints.js
index a23423ad3f6..746d373f172 100644
--- a/samples/client/petstore/javascript/src/model/Ints.js
+++ b/samples/client/petstore/javascript/src/model/Ints.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/List.js b/samples/client/petstore/javascript/src/model/List.js
index 6d15660cee8..b93f24b4b27 100644
--- a/samples/client/petstore/javascript/src/model/List.js
+++ b/samples/client/petstore/javascript/src/model/List.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/MapTest.js b/samples/client/petstore/javascript/src/model/MapTest.js
index 4734b8cd3e4..996d3ea26f2 100644
--- a/samples/client/petstore/javascript/src/model/MapTest.js
+++ b/samples/client/petstore/javascript/src/model/MapTest.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js b/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
index a4ddcf03f9d..ab856c51071 100644
--- a/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
+++ b/samples/client/petstore/javascript/src/model/MixedPropertiesAndAdditionalPropertiesClass.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Model200Response.js b/samples/client/petstore/javascript/src/model/Model200Response.js
index 1094ae9d7a1..25f766e306b 100644
--- a/samples/client/petstore/javascript/src/model/Model200Response.js
+++ b/samples/client/petstore/javascript/src/model/Model200Response.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ModelBoolean.js b/samples/client/petstore/javascript/src/model/ModelBoolean.js
index 827fbc85cce..ca1c49807e3 100644
--- a/samples/client/petstore/javascript/src/model/ModelBoolean.js
+++ b/samples/client/petstore/javascript/src/model/ModelBoolean.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ModelReturn.js b/samples/client/petstore/javascript/src/model/ModelReturn.js
index c26c3145000..f9e334fdd9a 100644
--- a/samples/client/petstore/javascript/src/model/ModelReturn.js
+++ b/samples/client/petstore/javascript/src/model/ModelReturn.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Name.js b/samples/client/petstore/javascript/src/model/Name.js
index 3170f1c80f6..8582c7d3521 100644
--- a/samples/client/petstore/javascript/src/model/Name.js
+++ b/samples/client/petstore/javascript/src/model/Name.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/NumberOnly.js b/samples/client/petstore/javascript/src/model/NumberOnly.js
index 28d68ff6f2c..1aebb453302 100644
--- a/samples/client/petstore/javascript/src/model/NumberOnly.js
+++ b/samples/client/petstore/javascript/src/model/NumberOnly.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Numbers.js b/samples/client/petstore/javascript/src/model/Numbers.js
index 391a530440c..0319784533e 100644
--- a/samples/client/petstore/javascript/src/model/Numbers.js
+++ b/samples/client/petstore/javascript/src/model/Numbers.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Order.js b/samples/client/petstore/javascript/src/model/Order.js
index e3b06043704..fea9bc97b63 100644
--- a/samples/client/petstore/javascript/src/model/Order.js
+++ b/samples/client/petstore/javascript/src/model/Order.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/OuterBoolean.js b/samples/client/petstore/javascript/src/model/OuterBoolean.js
index 71044fda92c..3b93c5fcacb 100644
--- a/samples/client/petstore/javascript/src/model/OuterBoolean.js
+++ b/samples/client/petstore/javascript/src/model/OuterBoolean.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/OuterComposite.js b/samples/client/petstore/javascript/src/model/OuterComposite.js
index b739c499ec7..c3f991b6aae 100644
--- a/samples/client/petstore/javascript/src/model/OuterComposite.js
+++ b/samples/client/petstore/javascript/src/model/OuterComposite.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/OuterEnum.js b/samples/client/petstore/javascript/src/model/OuterEnum.js
index cde7d38fb18..1d8de96f396 100644
--- a/samples/client/petstore/javascript/src/model/OuterEnum.js
+++ b/samples/client/petstore/javascript/src/model/OuterEnum.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/OuterNumber.js b/samples/client/petstore/javascript/src/model/OuterNumber.js
index e026ebd45bc..7a461d62447 100644
--- a/samples/client/petstore/javascript/src/model/OuterNumber.js
+++ b/samples/client/petstore/javascript/src/model/OuterNumber.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/OuterString.js b/samples/client/petstore/javascript/src/model/OuterString.js
index 998f1e5f609..88a4cc0cf61 100644
--- a/samples/client/petstore/javascript/src/model/OuterString.js
+++ b/samples/client/petstore/javascript/src/model/OuterString.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Pet.js b/samples/client/petstore/javascript/src/model/Pet.js
index c8d044920b6..ed19df0dd07 100644
--- a/samples/client/petstore/javascript/src/model/Pet.js
+++ b/samples/client/petstore/javascript/src/model/Pet.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js b/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
index 64fecfb278d..290587d8153 100644
--- a/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
+++ b/samples/client/petstore/javascript/src/model/ReadOnlyFirst.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/SpecialModelName.js b/samples/client/petstore/javascript/src/model/SpecialModelName.js
index a2395cd50f4..961b28fe1b6 100644
--- a/samples/client/petstore/javascript/src/model/SpecialModelName.js
+++ b/samples/client/petstore/javascript/src/model/SpecialModelName.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/Tag.js b/samples/client/petstore/javascript/src/model/Tag.js
index e83f765379c..9e8ef6fbeb5 100644
--- a/samples/client/petstore/javascript/src/model/Tag.js
+++ b/samples/client/petstore/javascript/src/model/Tag.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *
diff --git a/samples/client/petstore/javascript/src/model/User.js b/samples/client/petstore/javascript/src/model/User.js
index b93a100b03f..9f63da6a37c 100644
--- a/samples/client/petstore/javascript/src/model/User.js
+++ b/samples/client/petstore/javascript/src/model/User.js
@@ -8,7 +8,7 @@
  * NOTE: This class is auto generated by the swagger code generator program.
  * https://github.com/swagger-api/swagger-codegen.git
  *
- * Swagger Codegen version: 2.4.19-SNAPSHOT
+ * Swagger Codegen version: 2.4.33-SNAPSHOT
  *
  * Do not edit the class manually.
  *