From 0e2eed68925b0a39e7023da44f91cda13d31cdc2 Mon Sep 17 00:00:00 2001
From: Min Kim <291271447@qq.com>
Date: Fri, 21 Jun 2019 18:32:12 +0800
Subject: [PATCH] Perl: Basic bearer auth support (#3192)

* bearer token support

* [generator] running scripts
---
 .../main/resources/perl/ApiClient.mustache    |   8 ++
 .../src/main/resources/perl/api_doc.mustache  |   9 +-
 samples/client/petstore/perl/README.md        |  82 +++++++-----
 .../perl/docs/AdditionalPropertiesClass.md    |  13 +-
 .../petstore/perl/docs/AnotherfakeApi.md      |   8 +-
 samples/client/petstore/perl/docs/EnumTest.md |   3 +
 samples/client/petstore/perl/docs/FakeApi.md  |  83 ++++++------
 .../perl/docs/FakeClassnameTags123Api.md      |   8 +-
 .../client/petstore/perl/docs/FormatTest.md   |   2 +
 samples/client/petstore/perl/docs/PetApi.md   |  16 +--
 samples/client/petstore/perl/docs/StoreApi.md |  10 +-
 samples/client/petstore/perl/docs/UserApi.md  |  40 +++---
 .../lib/WWW/OpenAPIClient/AnotherFakeApi.pm   |  16 +--
 .../perl/lib/WWW/OpenAPIClient/ApiClient.pm   |   8 +-
 .../perl/lib/WWW/OpenAPIClient/ApiFactory.pm  |   2 +-
 .../lib/WWW/OpenAPIClient/Configuration.pm    |   2 +-
 .../perl/lib/WWW/OpenAPIClient/DefaultApi.pm  |   2 +-
 .../perl/lib/WWW/OpenAPIClient/FakeApi.pm     | 122 ++++++++----------
 .../OpenAPIClient/FakeClassnameTags123Api.pm  |  16 +--
 .../Object/AdditionalPropertiesAnyType.pm     |  15 +--
 .../Object/AdditionalPropertiesArray.pm       |  15 +--
 .../Object/AdditionalPropertiesBoolean.pm     |  15 +--
 .../Object/AdditionalPropertiesClass.pm       | 101 ++-------------
 .../Object/AdditionalPropertiesInteger.pm     |  15 +--
 .../Object/AdditionalPropertiesNumber.pm      |  15 +--
 .../Object/AdditionalPropertiesObject.pm      |  15 +--
 .../Object/AdditionalPropertiesString.pm      |  15 +--
 .../lib/WWW/OpenAPIClient/Object/Animal.pm    |   4 +-
 .../WWW/OpenAPIClient/Object/ApiResponse.pm   |   4 +-
 .../Object/ArrayOfArrayOfNumberOnly.pm        |   4 +-
 .../OpenAPIClient/Object/ArrayOfNumberOnly.pm |   4 +-
 .../lib/WWW/OpenAPIClient/Object/ArrayTest.pm |   4 +-
 .../OpenAPIClient/Object/Capitalization.pm    |   4 +-
 .../perl/lib/WWW/OpenAPIClient/Object/Cat.pm  |   4 +-
 .../lib/WWW/OpenAPIClient/Object/Category.pm  |   4 +-
 .../WWW/OpenAPIClient/Object/ClassModel.pm    |   4 +-
 .../lib/WWW/OpenAPIClient/Object/Client.pm    |   4 +-
 .../perl/lib/WWW/OpenAPIClient/Object/Dog.pm  |   4 +-
 .../WWW/OpenAPIClient/Object/EnumArrays.pm    |   4 +-
 .../lib/WWW/OpenAPIClient/Object/EnumClass.pm |   4 +-
 .../lib/WWW/OpenAPIClient/Object/EnumTest.pm  |  38 +++++-
 .../perl/lib/WWW/OpenAPIClient/Object/File.pm |   4 +-
 .../Object/FileSchemaTestClass.pm             |   4 +-
 .../perl/lib/WWW/OpenAPIClient/Object/Foo.pm  |   4 +-
 .../WWW/OpenAPIClient/Object/FormatTest.pm    |  26 +++-
 .../OpenAPIClient/Object/HasOnlyReadOnly.pm   |   4 +-
 .../OpenAPIClient/Object/HealthCheckResult.pm |   4 +-
 .../WWW/OpenAPIClient/Object/InlineObject.pm  |   4 +-
 .../WWW/OpenAPIClient/Object/InlineObject1.pm |   4 +-
 .../WWW/OpenAPIClient/Object/InlineObject2.pm |   4 +-
 .../WWW/OpenAPIClient/Object/InlineObject3.pm |   4 +-
 .../WWW/OpenAPIClient/Object/InlineObject4.pm |   4 +-
 .../WWW/OpenAPIClient/Object/InlineObject5.pm |   4 +-
 .../Object/InlineResponseDefault.pm           |   4 +-
 .../perl/lib/WWW/OpenAPIClient/Object/List.pm |   4 +-
 .../lib/WWW/OpenAPIClient/Object/MapTest.pm   |   4 +-
 ...dPropertiesAndAdditionalPropertiesClass.pm |   4 +-
 .../OpenAPIClient/Object/Model200Response.pm  |   4 +-
 .../WWW/OpenAPIClient/Object/ModelReturn.pm   |   4 +-
 .../perl/lib/WWW/OpenAPIClient/Object/Name.pm |   4 +-
 .../WWW/OpenAPIClient/Object/NullableClass.pm |   4 +-
 .../WWW/OpenAPIClient/Object/NumberOnly.pm    |   4 +-
 .../lib/WWW/OpenAPIClient/Object/Order.pm     |   4 +-
 .../OpenAPIClient/Object/OuterComposite.pm    |   4 +-
 .../lib/WWW/OpenAPIClient/Object/OuterEnum.pm |   4 +-
 .../Object/OuterEnumDefaultValue.pm           |   4 +-
 .../OpenAPIClient/Object/OuterEnumInteger.pm  |   4 +-
 .../Object/OuterEnumIntegerDefaultValue.pm    |   4 +-
 .../perl/lib/WWW/OpenAPIClient/Object/Pet.pm  |   4 +-
 .../WWW/OpenAPIClient/Object/ReadOnlyFirst.pm |   4 +-
 .../OpenAPIClient/Object/SpecialModelName.pm  |   4 +-
 .../perl/lib/WWW/OpenAPIClient/Object/Tag.pm  |   4 +-
 .../OpenAPIClient/Object/TypeHolderDefault.pm |  15 +--
 .../OpenAPIClient/Object/TypeHolderExample.pm |  15 +--
 .../perl/lib/WWW/OpenAPIClient/Object/User.pm |   4 +-
 .../lib/WWW/OpenAPIClient/Object/XmlItem.pm   |  15 +--
 .../perl/lib/WWW/OpenAPIClient/PetApi.pm      |  30 ++---
 .../perl/lib/WWW/OpenAPIClient/Role.pm        |   2 +-
 .../lib/WWW/OpenAPIClient/Role/AutoDoc.pm     |   2 +-
 .../perl/lib/WWW/OpenAPIClient/StoreApi.pm    |  18 +--
 .../perl/lib/WWW/OpenAPIClient/UserApi.pm     |  66 +++++-----
 81 files changed, 489 insertions(+), 570 deletions(-)

diff --git a/modules/openapi-generator/src/main/resources/perl/ApiClient.mustache b/modules/openapi-generator/src/main/resources/perl/ApiClient.mustache
index a65c20dac53..8175c47d623 100644
--- a/modules/openapi-generator/src/main/resources/perl/ApiClient.mustache
+++ b/modules/openapi-generator/src/main/resources/perl/ApiClient.mustache
@@ -340,9 +340,17 @@ sub update_params_for_auth {
             {{/isKeyInQuery}}
             {{/isApiKey}}
             {{#isBasic}}
+            {{^isBasicBearer}}
             if ($self->{config}{username} || $self->{config}{password}) {
                 $header_params->{'Authorization'} = 'Basic ' . encode_base64($self->{config}{username} . ":" . $self->{config}{password});
             }
+            {{/isBasicBearer}}
+            {{#isBasicBearer}}
+            // this endpoint requires Bearer{{#bearerFormat}} ({{{.}}}){{/bearerFormat}} authentication (access token)
+            if ($self->{config}{access_token}) {
+                $headers['Authorization'] = 'Bearer ' . $self->{config}{access_token};
+            }
+            {{/isBasicBearer}}
             {{/isBasic}}
             {{#isOAuth}}
             if ($self->{config}{access_token}) {
diff --git a/modules/openapi-generator/src/main/resources/perl/api_doc.mustache b/modules/openapi-generator/src/main/resources/perl/api_doc.mustache
index 99d5ad5198c..bcbc7b41345 100644
--- a/modules/openapi-generator/src/main/resources/perl/api_doc.mustache
+++ b/modules/openapi-generator/src/main/resources/perl/api_doc.mustache
@@ -29,8 +29,15 @@ use {{moduleName}}::{{classname}};
 my $api_instance = {{moduleName}}::{{classname}}->new(
 {{#hasAuthMethods}}{{#authMethods}}{{#isBasic}}
     # Configure HTTP basic authorization: {{{name}}}
+    {{^isBasicBearer}}
     username => 'YOUR_USERNAME',
-    password => 'YOUR_PASSWORD',{{/isBasic}}{{#isApiKey}}
+    password => 'YOUR_PASSWORD',
+    {{/isBasicBearer}}
+    {{#isBasicBearer}}
+    # Configure bearer access token for authorization: {{{name}}}
+    access_token => 'YOUR_BEARER_TOKEN',
+    {{/isBasicBearer}}
+    {{/isBasic}}{{#isApiKey}}
     # Configure API key authorization: {{{name}}}
     api_key => {'{{{keyParamName}}}' => 'YOUR_API_KEY'},
     # uncomment below to setup prefix (e.g. Bearer) for API key, if needed
diff --git a/samples/client/petstore/perl/README.md b/samples/client/petstore/perl/README.md
index 292678b2f38..ceba27d0b85 100644
--- a/samples/client/petstore/perl/README.md
+++ b/samples/client/petstore/perl/README.md
@@ -222,6 +222,7 @@ Each of these calls returns a hashref with various useful pieces of information.
 To load the API packages:
 ```perl
 use WWW::OpenAPIClient::AnotherFakeApi;
+use WWW::OpenAPIClient::DefaultApi;
 use WWW::OpenAPIClient::FakeApi;
 use WWW::OpenAPIClient::FakeClassnameTags123Api;
 use WWW::OpenAPIClient::PetApi;
@@ -232,14 +233,7 @@ use WWW::OpenAPIClient::UserApi;
 
 To load the models:
 ```perl
-use WWW::OpenAPIClient::Object::AdditionalPropertiesAnyType;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesArray;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesBoolean;
 use WWW::OpenAPIClient::Object::AdditionalPropertiesClass;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesInteger;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesNumber;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesObject;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesString;
 use WWW::OpenAPIClient::Object::Animal;
 use WWW::OpenAPIClient::Object::ApiResponse;
 use WWW::OpenAPIClient::Object::ArrayOfArrayOfNumberOnly;
@@ -256,26 +250,36 @@ use WWW::OpenAPIClient::Object::EnumClass;
 use WWW::OpenAPIClient::Object::EnumTest;
 use WWW::OpenAPIClient::Object::File;
 use WWW::OpenAPIClient::Object::FileSchemaTestClass;
+use WWW::OpenAPIClient::Object::Foo;
 use WWW::OpenAPIClient::Object::FormatTest;
 use WWW::OpenAPIClient::Object::HasOnlyReadOnly;
+use WWW::OpenAPIClient::Object::HealthCheckResult;
+use WWW::OpenAPIClient::Object::InlineObject;
+use WWW::OpenAPIClient::Object::InlineObject1;
+use WWW::OpenAPIClient::Object::InlineObject2;
+use WWW::OpenAPIClient::Object::InlineObject3;
+use WWW::OpenAPIClient::Object::InlineObject4;
+use WWW::OpenAPIClient::Object::InlineObject5;
+use WWW::OpenAPIClient::Object::InlineResponseDefault;
 use WWW::OpenAPIClient::Object::List;
 use WWW::OpenAPIClient::Object::MapTest;
 use WWW::OpenAPIClient::Object::MixedPropertiesAndAdditionalPropertiesClass;
 use WWW::OpenAPIClient::Object::Model200Response;
 use WWW::OpenAPIClient::Object::ModelReturn;
 use WWW::OpenAPIClient::Object::Name;
+use WWW::OpenAPIClient::Object::NullableClass;
 use WWW::OpenAPIClient::Object::NumberOnly;
 use WWW::OpenAPIClient::Object::Order;
 use WWW::OpenAPIClient::Object::OuterComposite;
 use WWW::OpenAPIClient::Object::OuterEnum;
+use WWW::OpenAPIClient::Object::OuterEnumDefaultValue;
+use WWW::OpenAPIClient::Object::OuterEnumInteger;
+use WWW::OpenAPIClient::Object::OuterEnumIntegerDefaultValue;
 use WWW::OpenAPIClient::Object::Pet;
 use WWW::OpenAPIClient::Object::ReadOnlyFirst;
 use WWW::OpenAPIClient::Object::SpecialModelName;
 use WWW::OpenAPIClient::Object::Tag;
-use WWW::OpenAPIClient::Object::TypeHolderDefault;
-use WWW::OpenAPIClient::Object::TypeHolderExample;
 use WWW::OpenAPIClient::Object::User;
-use WWW::OpenAPIClient::Object::XmlItem;
 
 ````
 
@@ -288,6 +292,7 @@ use strict;
 use warnings;
 # load the API package
 use WWW::OpenAPIClient::AnotherFakeApi;
+use WWW::OpenAPIClient::DefaultApi;
 use WWW::OpenAPIClient::FakeApi;
 use WWW::OpenAPIClient::FakeClassnameTags123Api;
 use WWW::OpenAPIClient::PetApi;
@@ -295,14 +300,7 @@ use WWW::OpenAPIClient::StoreApi;
 use WWW::OpenAPIClient::UserApi;
 
 # load the models
-use WWW::OpenAPIClient::Object::AdditionalPropertiesAnyType;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesArray;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesBoolean;
 use WWW::OpenAPIClient::Object::AdditionalPropertiesClass;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesInteger;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesNumber;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesObject;
-use WWW::OpenAPIClient::Object::AdditionalPropertiesString;
 use WWW::OpenAPIClient::Object::Animal;
 use WWW::OpenAPIClient::Object::ApiResponse;
 use WWW::OpenAPIClient::Object::ArrayOfArrayOfNumberOnly;
@@ -319,26 +317,36 @@ use WWW::OpenAPIClient::Object::EnumClass;
 use WWW::OpenAPIClient::Object::EnumTest;
 use WWW::OpenAPIClient::Object::File;
 use WWW::OpenAPIClient::Object::FileSchemaTestClass;
+use WWW::OpenAPIClient::Object::Foo;
 use WWW::OpenAPIClient::Object::FormatTest;
 use WWW::OpenAPIClient::Object::HasOnlyReadOnly;
+use WWW::OpenAPIClient::Object::HealthCheckResult;
+use WWW::OpenAPIClient::Object::InlineObject;
+use WWW::OpenAPIClient::Object::InlineObject1;
+use WWW::OpenAPIClient::Object::InlineObject2;
+use WWW::OpenAPIClient::Object::InlineObject3;
+use WWW::OpenAPIClient::Object::InlineObject4;
+use WWW::OpenAPIClient::Object::InlineObject5;
+use WWW::OpenAPIClient::Object::InlineResponseDefault;
 use WWW::OpenAPIClient::Object::List;
 use WWW::OpenAPIClient::Object::MapTest;
 use WWW::OpenAPIClient::Object::MixedPropertiesAndAdditionalPropertiesClass;
 use WWW::OpenAPIClient::Object::Model200Response;
 use WWW::OpenAPIClient::Object::ModelReturn;
 use WWW::OpenAPIClient::Object::Name;
+use WWW::OpenAPIClient::Object::NullableClass;
 use WWW::OpenAPIClient::Object::NumberOnly;
 use WWW::OpenAPIClient::Object::Order;
 use WWW::OpenAPIClient::Object::OuterComposite;
 use WWW::OpenAPIClient::Object::OuterEnum;
+use WWW::OpenAPIClient::Object::OuterEnumDefaultValue;
+use WWW::OpenAPIClient::Object::OuterEnumInteger;
+use WWW::OpenAPIClient::Object::OuterEnumIntegerDefaultValue;
 use WWW::OpenAPIClient::Object::Pet;
 use WWW::OpenAPIClient::Object::ReadOnlyFirst;
 use WWW::OpenAPIClient::Object::SpecialModelName;
 use WWW::OpenAPIClient::Object::Tag;
-use WWW::OpenAPIClient::Object::TypeHolderDefault;
-use WWW::OpenAPIClient::Object::TypeHolderExample;
 use WWW::OpenAPIClient::Object::User;
-use WWW::OpenAPIClient::Object::XmlItem;
 
 # for displaying the API response data
 use Data::Dumper;
@@ -347,10 +355,10 @@ use WWW::OpenAPIClient::;
 my $api_instance = WWW::OpenAPIClient::->new(
 );
 
-my $body = WWW::OpenAPIClient::Object::Client->new(); # Client | client model
+my $client = WWW::OpenAPIClient::Object::Client->new(); # Client | client model
 
 eval {
-    my $result = $api_instance->call_123_test_special_tags(body => $body);
+    my $result = $api_instance->call_123_test_special_tags(client => $client);
     print Dumper($result);
 };
 if ($@) {
@@ -366,7 +374,8 @@ All URIs are relative to *http://petstore.swagger.io:80/v2*
 Class | Method | HTTP request | Description
 ------------ | ------------- | ------------- | -------------
 *AnotherFakeApi* | [**call_123_test_special_tags**](docs/AnotherFakeApi.md#call_123_test_special_tags) | **PATCH** /another-fake/dummy | To test special tags
-*FakeApi* | [**create_xml_item**](docs/FakeApi.md#create_xml_item) | **POST** /fake/create_xml_item | creates an XmlItem
+*DefaultApi* | [**foo_get**](docs/DefaultApi.md#foo_get) | **GET** /foo | 
+*FakeApi* | [**fake_health_get**](docs/FakeApi.md#fake_health_get) | **GET** /fake/health | Health check endpoint
 *FakeApi* | [**fake_outer_boolean_serialize**](docs/FakeApi.md#fake_outer_boolean_serialize) | **POST** /fake/outer/boolean | 
 *FakeApi* | [**fake_outer_composite_serialize**](docs/FakeApi.md#fake_outer_composite_serialize) | **POST** /fake/outer/composite | 
 *FakeApi* | [**fake_outer_number_serialize**](docs/FakeApi.md#fake_outer_number_serialize) | **POST** /fake/outer/number | 
@@ -404,14 +413,7 @@ Class | Method | HTTP request | Description
 
 
 # DOCUMENTATION FOR MODELS
- - [WWW::OpenAPIClient::Object::AdditionalPropertiesAnyType](docs/AdditionalPropertiesAnyType.md)
- - [WWW::OpenAPIClient::Object::AdditionalPropertiesArray](docs/AdditionalPropertiesArray.md)
- - [WWW::OpenAPIClient::Object::AdditionalPropertiesBoolean](docs/AdditionalPropertiesBoolean.md)
  - [WWW::OpenAPIClient::Object::AdditionalPropertiesClass](docs/AdditionalPropertiesClass.md)
- - [WWW::OpenAPIClient::Object::AdditionalPropertiesInteger](docs/AdditionalPropertiesInteger.md)
- - [WWW::OpenAPIClient::Object::AdditionalPropertiesNumber](docs/AdditionalPropertiesNumber.md)
- - [WWW::OpenAPIClient::Object::AdditionalPropertiesObject](docs/AdditionalPropertiesObject.md)
- - [WWW::OpenAPIClient::Object::AdditionalPropertiesString](docs/AdditionalPropertiesString.md)
  - [WWW::OpenAPIClient::Object::Animal](docs/Animal.md)
  - [WWW::OpenAPIClient::Object::ApiResponse](docs/ApiResponse.md)
  - [WWW::OpenAPIClient::Object::ArrayOfArrayOfNumberOnly](docs/ArrayOfArrayOfNumberOnly.md)
@@ -428,26 +430,36 @@ Class | Method | HTTP request | Description
  - [WWW::OpenAPIClient::Object::EnumTest](docs/EnumTest.md)
  - [WWW::OpenAPIClient::Object::File](docs/File.md)
  - [WWW::OpenAPIClient::Object::FileSchemaTestClass](docs/FileSchemaTestClass.md)
+ - [WWW::OpenAPIClient::Object::Foo](docs/Foo.md)
  - [WWW::OpenAPIClient::Object::FormatTest](docs/FormatTest.md)
  - [WWW::OpenAPIClient::Object::HasOnlyReadOnly](docs/HasOnlyReadOnly.md)
+ - [WWW::OpenAPIClient::Object::HealthCheckResult](docs/HealthCheckResult.md)
+ - [WWW::OpenAPIClient::Object::InlineObject](docs/InlineObject.md)
+ - [WWW::OpenAPIClient::Object::InlineObject1](docs/InlineObject1.md)
+ - [WWW::OpenAPIClient::Object::InlineObject2](docs/InlineObject2.md)
+ - [WWW::OpenAPIClient::Object::InlineObject3](docs/InlineObject3.md)
+ - [WWW::OpenAPIClient::Object::InlineObject4](docs/InlineObject4.md)
+ - [WWW::OpenAPIClient::Object::InlineObject5](docs/InlineObject5.md)
+ - [WWW::OpenAPIClient::Object::InlineResponseDefault](docs/InlineResponseDefault.md)
  - [WWW::OpenAPIClient::Object::List](docs/List.md)
  - [WWW::OpenAPIClient::Object::MapTest](docs/MapTest.md)
  - [WWW::OpenAPIClient::Object::MixedPropertiesAndAdditionalPropertiesClass](docs/MixedPropertiesAndAdditionalPropertiesClass.md)
  - [WWW::OpenAPIClient::Object::Model200Response](docs/Model200Response.md)
  - [WWW::OpenAPIClient::Object::ModelReturn](docs/ModelReturn.md)
  - [WWW::OpenAPIClient::Object::Name](docs/Name.md)
+ - [WWW::OpenAPIClient::Object::NullableClass](docs/NullableClass.md)
  - [WWW::OpenAPIClient::Object::NumberOnly](docs/NumberOnly.md)
  - [WWW::OpenAPIClient::Object::Order](docs/Order.md)
  - [WWW::OpenAPIClient::Object::OuterComposite](docs/OuterComposite.md)
  - [WWW::OpenAPIClient::Object::OuterEnum](docs/OuterEnum.md)
+ - [WWW::OpenAPIClient::Object::OuterEnumDefaultValue](docs/OuterEnumDefaultValue.md)
+ - [WWW::OpenAPIClient::Object::OuterEnumInteger](docs/OuterEnumInteger.md)
+ - [WWW::OpenAPIClient::Object::OuterEnumIntegerDefaultValue](docs/OuterEnumIntegerDefaultValue.md)
  - [WWW::OpenAPIClient::Object::Pet](docs/Pet.md)
  - [WWW::OpenAPIClient::Object::ReadOnlyFirst](docs/ReadOnlyFirst.md)
  - [WWW::OpenAPIClient::Object::SpecialModelName](docs/SpecialModelName.md)
  - [WWW::OpenAPIClient::Object::Tag](docs/Tag.md)
- - [WWW::OpenAPIClient::Object::TypeHolderDefault](docs/TypeHolderDefault.md)
- - [WWW::OpenAPIClient::Object::TypeHolderExample](docs/TypeHolderExample.md)
  - [WWW::OpenAPIClient::Object::User](docs/User.md)
- - [WWW::OpenAPIClient::Object::XmlItem](docs/XmlItem.md)
 
 
 # DOCUMENTATION FOR AUTHORIZATION
@@ -464,6 +476,10 @@ Class | Method | HTTP request | Description
 - **API key parameter name**: api_key_query
 - **Location**: URL query string
 
+## bearer_test
+
+- **Type**: HTTP basic authentication
+
 ## http_basic_test
 
 - **Type**: HTTP basic authentication
diff --git a/samples/client/petstore/perl/docs/AdditionalPropertiesClass.md b/samples/client/petstore/perl/docs/AdditionalPropertiesClass.md
index 47f95da8f0c..ce21d69c235 100644
--- a/samples/client/petstore/perl/docs/AdditionalPropertiesClass.md
+++ b/samples/client/petstore/perl/docs/AdditionalPropertiesClass.md
@@ -8,17 +8,8 @@ use WWW::OpenAPIClient::Object::AdditionalPropertiesClass;
 ## Properties
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**map_string** | **HASH[string,string]** |  | [optional] 
-**map_number** | **HASH[string,double]** |  | [optional] 
-**map_integer** | **HASH[string,int]** |  | [optional] 
-**map_boolean** | **HASH[string,boolean]** |  | [optional] 
-**map_array_integer** | **HASH[string,ARRAY[int]]** |  | [optional] 
-**map_array_anytype** | **HASH[string,ARRAY[object]]** |  | [optional] 
-**map_map_string** | **HASH[string,HASH[string,string]]** |  | [optional] 
-**map_map_anytype** | **HASH[string,HASH[string,object]]** |  | [optional] 
-**anytype_1** | [**object**](.md) |  | [optional] 
-**anytype_2** | [**object**](.md) |  | [optional] 
-**anytype_3** | [**object**](.md) |  | [optional] 
+**map_property** | **HASH[string,string]** |  | [optional] 
+**map_of_map_property** | **HASH[string,HASH[string,string]]** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 
diff --git a/samples/client/petstore/perl/docs/AnotherfakeApi.md b/samples/client/petstore/perl/docs/AnotherfakeApi.md
index 87c9e4015b7..a0b0fd6f8ea 100644
--- a/samples/client/petstore/perl/docs/AnotherfakeApi.md
+++ b/samples/client/petstore/perl/docs/AnotherfakeApi.md
@@ -13,7 +13,7 @@ Method | HTTP request | Description
 
 
 # **call_123_test_special_tags**
-> Client call_123_test_special_tags(body => $body)
+> Client call_123_test_special_tags(client => $client)
 
 To test special tags
 
@@ -26,10 +26,10 @@ use WWW::OpenAPIClient::AnotherFakeApi;
 my $api_instance = WWW::OpenAPIClient::AnotherFakeApi->new(
 );
 
-my $body = WWW::OpenAPIClient::Object::Client->new(); # Client | client model
+my $client = WWW::OpenAPIClient::Object::Client->new(); # Client | client model
 
 eval { 
-    my $result = $api_instance->call_123_test_special_tags(body => $body);
+    my $result = $api_instance->call_123_test_special_tags(client => $client);
     print Dumper($result);
 };
 if ($@) {
@@ -41,7 +41,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**Client**](Client.md)| client model | 
+ **client** | [**Client**](Client.md)| client model | 
 
 ### Return type
 
diff --git a/samples/client/petstore/perl/docs/EnumTest.md b/samples/client/petstore/perl/docs/EnumTest.md
index aa889b2be86..60ed7418d2a 100644
--- a/samples/client/petstore/perl/docs/EnumTest.md
+++ b/samples/client/petstore/perl/docs/EnumTest.md
@@ -13,6 +13,9 @@ Name | Type | Description | Notes
 **enum_integer** | **int** |  | [optional] 
 **enum_number** | **double** |  | [optional] 
 **outer_enum** | [**OuterEnum**](OuterEnum.md) |  | [optional] 
+**outer_enum_integer** | [**OuterEnumInteger**](OuterEnumInteger.md) |  | [optional] 
+**outer_enum_default_value** | [**OuterEnumDefaultValue**](OuterEnumDefaultValue.md) |  | [optional] 
+**outer_enum_integer_default_value** | [**OuterEnumIntegerDefaultValue**](OuterEnumIntegerDefaultValue.md) |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 
diff --git a/samples/client/petstore/perl/docs/FakeApi.md b/samples/client/petstore/perl/docs/FakeApi.md
index 947df811624..e4c380346f5 100644
--- a/samples/client/petstore/perl/docs/FakeApi.md
+++ b/samples/client/petstore/perl/docs/FakeApi.md
@@ -9,7 +9,7 @@ All URIs are relative to *http://petstore.swagger.io:80/v2*
 
 Method | HTTP request | Description
 ------------- | ------------- | -------------
-[**create_xml_item**](FakeApi.md#create_xml_item) | **POST** /fake/create_xml_item | creates an XmlItem
+[**fake_health_get**](FakeApi.md#fake_health_get) | **GET** /fake/health | Health check endpoint
 [**fake_outer_boolean_serialize**](FakeApi.md#fake_outer_boolean_serialize) | **POST** /fake/outer/boolean | 
 [**fake_outer_composite_serialize**](FakeApi.md#fake_outer_composite_serialize) | **POST** /fake/outer/composite | 
 [**fake_outer_number_serialize**](FakeApi.md#fake_outer_number_serialize) | **POST** /fake/outer/number | 
@@ -24,12 +24,10 @@ Method | HTTP request | Description
 [**test_json_form_data**](FakeApi.md#test_json_form_data) | **GET** /fake/jsonFormData | test json serialization of form data
 
 
-# **create_xml_item**
-> create_xml_item(xml_item => $xml_item)
+# **fake_health_get**
+> HealthCheckResult fake_health_get()
 
-creates an XmlItem
-
-this route creates an XmlItem
+Health check endpoint
 
 ### Example 
 ```perl
@@ -38,25 +36,22 @@ use WWW::OpenAPIClient::FakeApi;
 my $api_instance = WWW::OpenAPIClient::FakeApi->new(
 );
 
-my $xml_item = WWW::OpenAPIClient::Object::XmlItem->new(); # XmlItem | XmlItem Body
 
 eval { 
-    $api_instance->create_xml_item(xml_item => $xml_item);
+    my $result = $api_instance->fake_health_get();
+    print Dumper($result);
 };
 if ($@) {
-    warn "Exception when calling FakeApi->create_xml_item: $@\n";
+    warn "Exception when calling FakeApi->fake_health_get: $@\n";
 }
 ```
 
 ### Parameters
-
-Name | Type | Description  | Notes
-------------- | ------------- | ------------- | -------------
- **xml_item** | [**XmlItem**](XmlItem.md)| XmlItem Body | 
+This endpoint does not need any parameter.
 
 ### Return type
 
-void (empty response body)
+[**HealthCheckResult**](HealthCheckResult.md)
 
 ### Authorization
 
@@ -64,8 +59,8 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: application/xml, application/xml; charset=utf-8, application/xml; charset=utf-16, text/xml, text/xml; charset=utf-8, text/xml; charset=utf-16
- - **Accept**: Not defined
+ - **Content-Type**: Not defined
+ - **Accept**: application/json
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
@@ -110,13 +105,13 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: Not defined
+ - **Content-Type**: application/json
  - **Accept**: */*
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **fake_outer_composite_serialize**
-> OuterComposite fake_outer_composite_serialize(body => $body)
+> OuterComposite fake_outer_composite_serialize(outer_composite => $outer_composite)
 
 
 
@@ -129,10 +124,10 @@ use WWW::OpenAPIClient::FakeApi;
 my $api_instance = WWW::OpenAPIClient::FakeApi->new(
 );
 
-my $body = WWW::OpenAPIClient::Object::OuterComposite->new(); # OuterComposite | Input composite as post body
+my $outer_composite = WWW::OpenAPIClient::Object::OuterComposite->new(); # OuterComposite | Input composite as post body
 
 eval { 
-    my $result = $api_instance->fake_outer_composite_serialize(body => $body);
+    my $result = $api_instance->fake_outer_composite_serialize(outer_composite => $outer_composite);
     print Dumper($result);
 };
 if ($@) {
@@ -144,7 +139,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**OuterComposite**](OuterComposite.md)| Input composite as post body | [optional] 
+ **outer_composite** | [**OuterComposite**](OuterComposite.md)| Input composite as post body | [optional] 
 
 ### Return type
 
@@ -156,7 +151,7 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: Not defined
+ - **Content-Type**: application/json
  - **Accept**: */*
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
@@ -202,7 +197,7 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: Not defined
+ - **Content-Type**: application/json
  - **Accept**: */*
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
@@ -248,13 +243,13 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: Not defined
+ - **Content-Type**: application/json
  - **Accept**: */*
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **test_body_with_file_schema**
-> test_body_with_file_schema(body => $body)
+> test_body_with_file_schema(file_schema_test_class => $file_schema_test_class)
 
 
 
@@ -267,10 +262,10 @@ use WWW::OpenAPIClient::FakeApi;
 my $api_instance = WWW::OpenAPIClient::FakeApi->new(
 );
 
-my $body = WWW::OpenAPIClient::Object::FileSchemaTestClass->new(); # FileSchemaTestClass | 
+my $file_schema_test_class = WWW::OpenAPIClient::Object::FileSchemaTestClass->new(); # FileSchemaTestClass | 
 
 eval { 
-    $api_instance->test_body_with_file_schema(body => $body);
+    $api_instance->test_body_with_file_schema(file_schema_test_class => $file_schema_test_class);
 };
 if ($@) {
     warn "Exception when calling FakeApi->test_body_with_file_schema: $@\n";
@@ -281,7 +276,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**FileSchemaTestClass**](FileSchemaTestClass.md)|  | 
+ **file_schema_test_class** | [**FileSchemaTestClass**](FileSchemaTestClass.md)|  | 
 
 ### Return type
 
@@ -299,7 +294,7 @@ No authorization required
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **test_body_with_query_params**
-> test_body_with_query_params(query => $query, body => $body)
+> test_body_with_query_params(query => $query, user => $user)
 
 
 
@@ -311,10 +306,10 @@ my $api_instance = WWW::OpenAPIClient::FakeApi->new(
 );
 
 my $query = "query_example"; # string | 
-my $body = WWW::OpenAPIClient::Object::User->new(); # User | 
+my $user = WWW::OpenAPIClient::Object::User->new(); # User | 
 
 eval { 
-    $api_instance->test_body_with_query_params(query => $query, body => $body);
+    $api_instance->test_body_with_query_params(query => $query, user => $user);
 };
 if ($@) {
     warn "Exception when calling FakeApi->test_body_with_query_params: $@\n";
@@ -326,7 +321,7 @@ if ($@) {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **query** | **string**|  | 
- **body** | [**User**](User.md)|  | 
+ **user** | [**User**](User.md)|  | 
 
 ### Return type
 
@@ -344,7 +339,7 @@ No authorization required
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **test_client_model**
-> Client test_client_model(body => $body)
+> Client test_client_model(client => $client)
 
 To test \"client\" model
 
@@ -357,10 +352,10 @@ use WWW::OpenAPIClient::FakeApi;
 my $api_instance = WWW::OpenAPIClient::FakeApi->new(
 );
 
-my $body = WWW::OpenAPIClient::Object::Client->new(); # Client | client model
+my $client = WWW::OpenAPIClient::Object::Client->new(); # Client | client model
 
 eval { 
-    my $result = $api_instance->test_client_model(body => $body);
+    my $result = $api_instance->test_client_model(client => $client);
     print Dumper($result);
 };
 if ($@) {
@@ -372,7 +367,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**Client**](Client.md)| client model | 
+ **client** | [**Client**](Client.md)| client model | 
 
 ### Return type
 
@@ -405,6 +400,7 @@ my $api_instance = WWW::OpenAPIClient::FakeApi->new(
     # Configure HTTP basic authorization: http_basic_test
     username => 'YOUR_USERNAME',
     password => 'YOUR_PASSWORD',
+    
 );
 
 my $number = 3.4; # double | None
@@ -535,6 +531,11 @@ Fake endpoint to test group parameters (optional)
 use Data::Dumper;
 use WWW::OpenAPIClient::FakeApi;
 my $api_instance = WWW::OpenAPIClient::FakeApi->new(
+
+    # Configure HTTP basic authorization: bearer_test
+    # Configure bearer access token for authorization: bearer_test
+    access_token => 'YOUR_BEARER_TOKEN',
+    
 );
 
 my $required_string_group = 56; # int | Required String in group parameters
@@ -569,7 +570,7 @@ void (empty response body)
 
 ### Authorization
 
-No authorization required
+[bearer_test](../README.md#bearer_test)
 
 ### HTTP request headers
 
@@ -579,7 +580,7 @@ No authorization required
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **test_inline_additional_properties**
-> test_inline_additional_properties(param => $param)
+> test_inline_additional_properties(request_body => $request_body)
 
 test inline additionalProperties
 
@@ -590,10 +591,10 @@ use WWW::OpenAPIClient::FakeApi;
 my $api_instance = WWW::OpenAPIClient::FakeApi->new(
 );
 
-my $param = WWW::OpenAPIClient::Object::HASH[string,string]->new(); # HASH[string,string] | request body
+my $request_body = WWW::OpenAPIClient::Object::HASH[string,string]->new(); # HASH[string,string] | request body
 
 eval { 
-    $api_instance->test_inline_additional_properties(param => $param);
+    $api_instance->test_inline_additional_properties(request_body => $request_body);
 };
 if ($@) {
     warn "Exception when calling FakeApi->test_inline_additional_properties: $@\n";
@@ -604,7 +605,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **param** | [**HASH[string,string]**](string.md)| request body | 
+ **request_body** | [**HASH[string,string]**](string.md)| request body | 
 
 ### Return type
 
diff --git a/samples/client/petstore/perl/docs/FakeClassnameTags123Api.md b/samples/client/petstore/perl/docs/FakeClassnameTags123Api.md
index 70e303f7bf0..67c2122cb6f 100644
--- a/samples/client/petstore/perl/docs/FakeClassnameTags123Api.md
+++ b/samples/client/petstore/perl/docs/FakeClassnameTags123Api.md
@@ -13,7 +13,7 @@ Method | HTTP request | Description
 
 
 # **test_classname**
-> Client test_classname(body => $body)
+> Client test_classname(client => $client)
 
 To test class name in snake case
 
@@ -31,10 +31,10 @@ my $api_instance = WWW::OpenAPIClient::FakeClassnameTags123Api->new(
     #api_key_prefix => {'api_key_query' => 'Bearer'},
 );
 
-my $body = WWW::OpenAPIClient::Object::Client->new(); # Client | client model
+my $client = WWW::OpenAPIClient::Object::Client->new(); # Client | client model
 
 eval { 
-    my $result = $api_instance->test_classname(body => $body);
+    my $result = $api_instance->test_classname(client => $client);
     print Dumper($result);
 };
 if ($@) {
@@ -46,7 +46,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**Client**](Client.md)| client model | 
+ **client** | [**Client**](Client.md)| client model | 
 
 ### Return type
 
diff --git a/samples/client/petstore/perl/docs/FormatTest.md b/samples/client/petstore/perl/docs/FormatTest.md
index 3a1bf2c21f3..7cfabebb281 100644
--- a/samples/client/petstore/perl/docs/FormatTest.md
+++ b/samples/client/petstore/perl/docs/FormatTest.md
@@ -21,6 +21,8 @@ Name | Type | Description | Notes
 **date_time** | **DateTime** |  | [optional] 
 **uuid** | **string** |  | [optional] 
 **password** | **string** |  | 
+**pattern_with_digits** | **string** | A string that is a 10 digit number. Can have leading zeros. | [optional] 
+**pattern_with_digits_and_delimiter** | **string** | A string starting with &#39;image_&#39; (case insensitive) and one to three digits following i.e. Image_01. | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
 
diff --git a/samples/client/petstore/perl/docs/PetApi.md b/samples/client/petstore/perl/docs/PetApi.md
index 899e2f63e07..5218d9282f1 100644
--- a/samples/client/petstore/perl/docs/PetApi.md
+++ b/samples/client/petstore/perl/docs/PetApi.md
@@ -21,7 +21,7 @@ Method | HTTP request | Description
 
 
 # **add_pet**
-> add_pet(body => $body)
+> add_pet(pet => $pet)
 
 Add a new pet to the store
 
@@ -35,10 +35,10 @@ my $api_instance = WWW::OpenAPIClient::PetApi->new(
     access_token => 'YOUR_ACCESS_TOKEN',
 );
 
-my $body = WWW::OpenAPIClient::Object::Pet->new(); # Pet | Pet object that needs to be added to the store
+my $pet = WWW::OpenAPIClient::Object::Pet->new(); # Pet | Pet object that needs to be added to the store
 
 eval { 
-    $api_instance->add_pet(body => $body);
+    $api_instance->add_pet(pet => $pet);
 };
 if ($@) {
     warn "Exception when calling PetApi->add_pet: $@\n";
@@ -49,7 +49,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**Pet**](Pet.md)| Pet object that needs to be added to the store | 
+ **pet** | [**Pet**](Pet.md)| Pet object that needs to be added to the store | 
 
 ### Return type
 
@@ -264,7 +264,7 @@ Name | Type | Description  | Notes
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **update_pet**
-> update_pet(body => $body)
+> update_pet(pet => $pet)
 
 Update an existing pet
 
@@ -278,10 +278,10 @@ my $api_instance = WWW::OpenAPIClient::PetApi->new(
     access_token => 'YOUR_ACCESS_TOKEN',
 );
 
-my $body = WWW::OpenAPIClient::Object::Pet->new(); # Pet | Pet object that needs to be added to the store
+my $pet = WWW::OpenAPIClient::Object::Pet->new(); # Pet | Pet object that needs to be added to the store
 
 eval { 
-    $api_instance->update_pet(body => $body);
+    $api_instance->update_pet(pet => $pet);
 };
 if ($@) {
     warn "Exception when calling PetApi->update_pet: $@\n";
@@ -292,7 +292,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**Pet**](Pet.md)| Pet object that needs to be added to the store | 
+ **pet** | [**Pet**](Pet.md)| Pet object that needs to be added to the store | 
 
 ### Return type
 
diff --git a/samples/client/petstore/perl/docs/StoreApi.md b/samples/client/petstore/perl/docs/StoreApi.md
index fe591e701a8..e467823c53a 100644
--- a/samples/client/petstore/perl/docs/StoreApi.md
+++ b/samples/client/petstore/perl/docs/StoreApi.md
@@ -154,7 +154,7 @@ No authorization required
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **place_order**
-> Order place_order(body => $body)
+> Order place_order(order => $order)
 
 Place an order for a pet
 
@@ -165,10 +165,10 @@ use WWW::OpenAPIClient::StoreApi;
 my $api_instance = WWW::OpenAPIClient::StoreApi->new(
 );
 
-my $body = WWW::OpenAPIClient::Object::Order->new(); # Order | order placed for purchasing the pet
+my $order = WWW::OpenAPIClient::Object::Order->new(); # Order | order placed for purchasing the pet
 
 eval { 
-    my $result = $api_instance->place_order(body => $body);
+    my $result = $api_instance->place_order(order => $order);
     print Dumper($result);
 };
 if ($@) {
@@ -180,7 +180,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**Order**](Order.md)| order placed for purchasing the pet | 
+ **order** | [**Order**](Order.md)| order placed for purchasing the pet | 
 
 ### Return type
 
@@ -192,7 +192,7 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: Not defined
+ - **Content-Type**: application/json
  - **Accept**: application/xml, application/json
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
diff --git a/samples/client/petstore/perl/docs/UserApi.md b/samples/client/petstore/perl/docs/UserApi.md
index caa7684785b..ebe449515cb 100644
--- a/samples/client/petstore/perl/docs/UserApi.md
+++ b/samples/client/petstore/perl/docs/UserApi.md
@@ -20,7 +20,7 @@ Method | HTTP request | Description
 
 
 # **create_user**
-> create_user(body => $body)
+> create_user(user => $user)
 
 Create user
 
@@ -33,10 +33,10 @@ use WWW::OpenAPIClient::UserApi;
 my $api_instance = WWW::OpenAPIClient::UserApi->new(
 );
 
-my $body = WWW::OpenAPIClient::Object::User->new(); # User | Created user object
+my $user = WWW::OpenAPIClient::Object::User->new(); # User | Created user object
 
 eval { 
-    $api_instance->create_user(body => $body);
+    $api_instance->create_user(user => $user);
 };
 if ($@) {
     warn "Exception when calling UserApi->create_user: $@\n";
@@ -47,7 +47,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**User**](User.md)| Created user object | 
+ **user** | [**User**](User.md)| Created user object | 
 
 ### Return type
 
@@ -59,13 +59,13 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: Not defined
+ - **Content-Type**: application/json
  - **Accept**: Not defined
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **create_users_with_array_input**
-> create_users_with_array_input(body => $body)
+> create_users_with_array_input(user => $user)
 
 Creates list of users with given input array
 
@@ -76,10 +76,10 @@ use WWW::OpenAPIClient::UserApi;
 my $api_instance = WWW::OpenAPIClient::UserApi->new(
 );
 
-my $body = [WWW::OpenAPIClient::Object::ARRAY[User]->new()]; # ARRAY[User] | List of user object
+my $user = [WWW::OpenAPIClient::Object::ARRAY[User]->new()]; # ARRAY[User] | List of user object
 
 eval { 
-    $api_instance->create_users_with_array_input(body => $body);
+    $api_instance->create_users_with_array_input(user => $user);
 };
 if ($@) {
     warn "Exception when calling UserApi->create_users_with_array_input: $@\n";
@@ -90,7 +90,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**ARRAY[User]**](ARRAY.md)| List of user object | 
+ **user** | [**ARRAY[User]**](ARRAY.md)| List of user object | 
 
 ### Return type
 
@@ -102,13 +102,13 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: Not defined
+ - **Content-Type**: application/json
  - **Accept**: Not defined
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **create_users_with_list_input**
-> create_users_with_list_input(body => $body)
+> create_users_with_list_input(user => $user)
 
 Creates list of users with given input array
 
@@ -119,10 +119,10 @@ use WWW::OpenAPIClient::UserApi;
 my $api_instance = WWW::OpenAPIClient::UserApi->new(
 );
 
-my $body = [WWW::OpenAPIClient::Object::ARRAY[User]->new()]; # ARRAY[User] | List of user object
+my $user = [WWW::OpenAPIClient::Object::ARRAY[User]->new()]; # ARRAY[User] | List of user object
 
 eval { 
-    $api_instance->create_users_with_list_input(body => $body);
+    $api_instance->create_users_with_list_input(user => $user);
 };
 if ($@) {
     warn "Exception when calling UserApi->create_users_with_list_input: $@\n";
@@ -133,7 +133,7 @@ if ($@) {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**ARRAY[User]**](ARRAY.md)| List of user object | 
+ **user** | [**ARRAY[User]**](ARRAY.md)| List of user object | 
 
 ### Return type
 
@@ -145,7 +145,7 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: Not defined
+ - **Content-Type**: application/json
  - **Accept**: Not defined
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
@@ -325,7 +325,7 @@ No authorization required
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
 # **update_user**
-> update_user(username => $username, body => $body)
+> update_user(username => $username, user => $user)
 
 Updated user
 
@@ -339,10 +339,10 @@ my $api_instance = WWW::OpenAPIClient::UserApi->new(
 );
 
 my $username = "username_example"; # string | name that need to be deleted
-my $body = WWW::OpenAPIClient::Object::User->new(); # User | Updated user object
+my $user = WWW::OpenAPIClient::Object::User->new(); # User | Updated user object
 
 eval { 
-    $api_instance->update_user(username => $username, body => $body);
+    $api_instance->update_user(username => $username, user => $user);
 };
 if ($@) {
     warn "Exception when calling UserApi->update_user: $@\n";
@@ -354,7 +354,7 @@ if ($@) {
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
  **username** | **string**| name that need to be deleted | 
- **body** | [**User**](User.md)| Updated user object | 
+ **user** | [**User**](User.md)| Updated user object | 
 
 ### Return type
 
@@ -366,7 +366,7 @@ No authorization required
 
 ### HTTP request headers
 
- - **Content-Type**: Not defined
+ - **Content-Type**: application/json
  - **Accept**: Not defined
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/AnotherFakeApi.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/AnotherFakeApi.pm
index ed6f6470c59..cd1df44004d 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/AnotherFakeApi.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/AnotherFakeApi.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -53,10 +53,10 @@ sub new {
 #
 # To test special tags
 # 
-# @param Client $body client model (required)
+# @param Client $client client model (required)
 {
     my $params = {
-    'body' => {
+    'client' => {
         data_type => 'Client',
         description => 'client model',
         required => '1',
@@ -73,9 +73,9 @@ sub new {
 sub call_123_test_special_tags {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling call_123_test_special_tags");
+    # verify the required parameter 'client' is set
+    unless (exists $args{'client'}) {
+      croak("Missing the required parameter 'client' when calling call_123_test_special_tags");
     }
 
     # parse inputs
@@ -95,8 +95,8 @@ sub call_123_test_special_tags {
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'client'}) {
+        $_body_data = $args{'client'};
     }
 
     # authentication setting, if any
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/ApiClient.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/ApiClient.pm
index 1220484ae4a..e7fc63fd102 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/ApiClient.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/ApiClient.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -348,6 +348,12 @@ sub update_params_for_auth {
                 $query_params->{'api_key_query'} = $api_key;
             }
         }
+        elsif ($auth eq 'bearer_test') {
+            // this endpoint requires Bearer (JWT) authentication (access token)
+            if ($self->{config}{access_token}) {
+                $headers['Authorization'] = 'Bearer ' . $self->{config}{access_token};
+            }
+        }
         elsif ($auth eq 'http_basic_test') {
             if ($self->{config}{username} || $self->{config}{password}) {
                 $header_params->{'Authorization'} = 'Basic ' . encode_base64($self->{config}{username} . ":" . $self->{config}{password});
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/ApiFactory.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/ApiFactory.pm
index 2d3ed6587b7..8a9952a6766 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/ApiFactory.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/ApiFactory.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Configuration.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Configuration.pm
index 207807f7983..9bf21bd97ef 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Configuration.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Configuration.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/DefaultApi.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/DefaultApi.pm
index abece6801b8..9ff4e14475d 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/DefaultApi.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/DefaultApi.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/FakeApi.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/FakeApi.pm
index 1c727f64c76..29dcd10fe83 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/FakeApi.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/FakeApi.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -49,64 +49,52 @@ sub new {
 
 
 #
-# create_xml_item
+# fake_health_get
 #
-# creates an XmlItem
+# Health check endpoint
 # 
-# @param XmlItem $xml_item XmlItem Body (required)
 {
     my $params = {
-    'xml_item' => {
-        data_type => 'XmlItem',
-        description => 'XmlItem Body',
-        required => '1',
-    },
     };
-    __PACKAGE__->method_documentation->{ 'create_xml_item' } = { 
-        summary => 'creates an XmlItem',
+    __PACKAGE__->method_documentation->{ 'fake_health_get' } = { 
+        summary => 'Health check endpoint',
         params => $params,
-        returns => undef,
+        returns => 'HealthCheckResult',
         };
 }
-# @return void
+# @return HealthCheckResult
 #
-sub create_xml_item {
+sub fake_health_get {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'xml_item' is set
-    unless (exists $args{'xml_item'}) {
-      croak("Missing the required parameter 'xml_item' when calling create_xml_item");
-    }
-
     # parse inputs
-    my $_resource_path = '/fake/create_xml_item';
+    my $_resource_path = '/fake/health';
 
-    my $_method = 'POST';
+    my $_method = 'GET';
     my $query_params = {};
     my $header_params = {};
     my $form_params = {};
 
     # 'Accept' and 'Content-Type' header
-    my $_header_accept = $self->{api_client}->select_header_accept();
+    my $_header_accept = $self->{api_client}->select_header_accept('application/json');
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/xml', 'application/xml; charset=utf-8', 'application/xml; charset=utf-16', 'text/xml', 'text/xml; charset=utf-8', 'text/xml; charset=utf-16');
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
 
     my $_body_data;
-    # body params
-    if ( exists $args{'xml_item'}) {
-        $_body_data = $args{'xml_item'};
-    }
-
     # authentication setting, if any
     my $auth_settings = [qw()];
 
     # make the API Call
-    $self->{api_client}->call_api($_resource_path, $_method,
+    my $response = $self->{api_client}->call_api($_resource_path, $_method,
                                            $query_params, $form_params,
                                            $header_params, $_body_data, $auth_settings);
-    return;
+    if (!$response) {
+        return;
+    }
+    my $_response_object = $self->{api_client}->deserialize('HealthCheckResult', $response);
+    return $_response_object;
 }
 
 #
@@ -147,7 +135,7 @@ sub fake_outer_boolean_serialize {
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/json');
 
     my $_body_data;
     # body params
@@ -174,10 +162,10 @@ sub fake_outer_boolean_serialize {
 #
 # 
 # 
-# @param OuterComposite $body Input composite as post body (optional)
+# @param OuterComposite $outer_composite Input composite as post body (optional)
 {
     my $params = {
-    'body' => {
+    'outer_composite' => {
         data_type => 'OuterComposite',
         description => 'Input composite as post body',
         required => '0',
@@ -207,12 +195,12 @@ sub fake_outer_composite_serialize {
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/json');
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'outer_composite'}) {
+        $_body_data = $args{'outer_composite'};
     }
 
     # authentication setting, if any
@@ -267,7 +255,7 @@ sub fake_outer_number_serialize {
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/json');
 
     my $_body_data;
     # body params
@@ -327,7 +315,7 @@ sub fake_outer_string_serialize {
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/json');
 
     my $_body_data;
     # body params
@@ -354,10 +342,10 @@ sub fake_outer_string_serialize {
 #
 # 
 # 
-# @param FileSchemaTestClass $body  (required)
+# @param FileSchemaTestClass $file_schema_test_class  (required)
 {
     my $params = {
-    'body' => {
+    'file_schema_test_class' => {
         data_type => 'FileSchemaTestClass',
         description => '',
         required => '1',
@@ -374,9 +362,9 @@ sub fake_outer_string_serialize {
 sub test_body_with_file_schema {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling test_body_with_file_schema");
+    # verify the required parameter 'file_schema_test_class' is set
+    unless (exists $args{'file_schema_test_class'}) {
+      croak("Missing the required parameter 'file_schema_test_class' when calling test_body_with_file_schema");
     }
 
     # parse inputs
@@ -396,8 +384,8 @@ sub test_body_with_file_schema {
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'file_schema_test_class'}) {
+        $_body_data = $args{'file_schema_test_class'};
     }
 
     # authentication setting, if any
@@ -416,7 +404,7 @@ sub test_body_with_file_schema {
 # 
 # 
 # @param string $query  (required)
-# @param User $body  (required)
+# @param User $user  (required)
 {
     my $params = {
     'query' => {
@@ -424,7 +412,7 @@ sub test_body_with_file_schema {
         description => '',
         required => '1',
     },
-    'body' => {
+    'user' => {
         data_type => 'User',
         description => '',
         required => '1',
@@ -446,9 +434,9 @@ sub test_body_with_query_params {
       croak("Missing the required parameter 'query' when calling test_body_with_query_params");
     }
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling test_body_with_query_params");
+    # verify the required parameter 'user' is set
+    unless (exists $args{'user'}) {
+      croak("Missing the required parameter 'user' when calling test_body_with_query_params");
     }
 
     # parse inputs
@@ -473,8 +461,8 @@ sub test_body_with_query_params {
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'user'}) {
+        $_body_data = $args{'user'};
     }
 
     # authentication setting, if any
@@ -492,10 +480,10 @@ sub test_body_with_query_params {
 #
 # To test \"client\" model
 # 
-# @param Client $body client model (required)
+# @param Client $client client model (required)
 {
     my $params = {
-    'body' => {
+    'client' => {
         data_type => 'Client',
         description => 'client model',
         required => '1',
@@ -512,9 +500,9 @@ sub test_body_with_query_params {
 sub test_client_model {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling test_client_model");
+    # verify the required parameter 'client' is set
+    unless (exists $args{'client'}) {
+      croak("Missing the required parameter 'client' when calling test_client_model");
     }
 
     # parse inputs
@@ -534,8 +522,8 @@ sub test_client_model {
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'client'}) {
+        $_body_data = $args{'client'};
     }
 
     # authentication setting, if any
@@ -1022,7 +1010,7 @@ sub test_group_parameters {
 
     my $_body_data;
     # authentication setting, if any
-    my $auth_settings = [qw()];
+    my $auth_settings = [qw(bearer_test )];
 
     # make the API Call
     $self->{api_client}->call_api($_resource_path, $_method,
@@ -1036,10 +1024,10 @@ sub test_group_parameters {
 #
 # test inline additionalProperties
 # 
-# @param HASH[string,string] $param request body (required)
+# @param HASH[string,string] $request_body request body (required)
 {
     my $params = {
-    'param' => {
+    'request_body' => {
         data_type => 'HASH[string,string]',
         description => 'request body',
         required => '1',
@@ -1056,9 +1044,9 @@ sub test_group_parameters {
 sub test_inline_additional_properties {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'param' is set
-    unless (exists $args{'param'}) {
-      croak("Missing the required parameter 'param' when calling test_inline_additional_properties");
+    # verify the required parameter 'request_body' is set
+    unless (exists $args{'request_body'}) {
+      croak("Missing the required parameter 'request_body' when calling test_inline_additional_properties");
     }
 
     # parse inputs
@@ -1078,8 +1066,8 @@ sub test_inline_additional_properties {
 
     my $_body_data;
     # body params
-    if ( exists $args{'param'}) {
-        $_body_data = $args{'param'};
+    if ( exists $args{'request_body'}) {
+        $_body_data = $args{'request_body'};
     }
 
     # authentication setting, if any
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/FakeClassnameTags123Api.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/FakeClassnameTags123Api.pm
index c55bface164..c521d2c5758 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/FakeClassnameTags123Api.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/FakeClassnameTags123Api.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -53,10 +53,10 @@ sub new {
 #
 # To test class name in snake case
 # 
-# @param Client $body client model (required)
+# @param Client $client client model (required)
 {
     my $params = {
-    'body' => {
+    'client' => {
         data_type => 'Client',
         description => 'client model',
         required => '1',
@@ -73,9 +73,9 @@ sub new {
 sub test_classname {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling test_classname");
+    # verify the required parameter 'client' is set
+    unless (exists $args{'client'}) {
+      croak("Missing the required parameter 'client' when calling test_classname");
     }
 
     # parse inputs
@@ -95,8 +95,8 @@ sub test_classname {
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'client'}) {
+        $_body_data = $args{'client'};
     }
 
     # authentication setting, if any
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesAnyType.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesAnyType.pm
index 5b5e6777edb..8e30b03ea8f 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesAnyType.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesAnyType.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesArray.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesArray.pm
index ee56b7242d8..efc94b94778 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesArray.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesArray.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesBoolean.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesBoolean.pm
index 0f80ce04ee2..b7268ad68a6 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesBoolean.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesBoolean.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesClass.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesClass.pm
index cf35cb03ba4..3bbbceeb84b 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesClass.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesClass.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -161,79 +161,16 @@ __PACKAGE__->class_documentation({description => '',
 }                                 );
 
 __PACKAGE__->method_documentation({
-    'map_string' => {
+    'map_property' => {
         datatype => 'HASH[string,string]',
-        base_name => 'map_string',
+        base_name => 'map_property',
         description => '',
         format => '',
         read_only => '',
             },
-    'map_number' => {
-        datatype => 'HASH[string,double]',
-        base_name => 'map_number',
-        description => '',
-        format => '',
-        read_only => '',
-            },
-    'map_integer' => {
-        datatype => 'HASH[string,int]',
-        base_name => 'map_integer',
-        description => '',
-        format => '',
-        read_only => '',
-            },
-    'map_boolean' => {
-        datatype => 'HASH[string,boolean]',
-        base_name => 'map_boolean',
-        description => '',
-        format => '',
-        read_only => '',
-            },
-    'map_array_integer' => {
-        datatype => 'HASH[string,ARRAY[int]]',
-        base_name => 'map_array_integer',
-        description => '',
-        format => '',
-        read_only => '',
-            },
-    'map_array_anytype' => {
-        datatype => 'HASH[string,ARRAY[object]]',
-        base_name => 'map_array_anytype',
-        description => '',
-        format => '',
-        read_only => '',
-            },
-    'map_map_string' => {
+    'map_of_map_property' => {
         datatype => 'HASH[string,HASH[string,string]]',
-        base_name => 'map_map_string',
-        description => '',
-        format => '',
-        read_only => '',
-            },
-    'map_map_anytype' => {
-        datatype => 'HASH[string,HASH[string,object]]',
-        base_name => 'map_map_anytype',
-        description => '',
-        format => '',
-        read_only => '',
-            },
-    'anytype_1' => {
-        datatype => 'object',
-        base_name => 'anytype_1',
-        description => '',
-        format => '',
-        read_only => '',
-            },
-    'anytype_2' => {
-        datatype => 'object',
-        base_name => 'anytype_2',
-        description => '',
-        format => '',
-        read_only => '',
-            },
-    'anytype_3' => {
-        datatype => 'object',
-        base_name => 'anytype_3',
+        base_name => 'map_of_map_property',
         description => '',
         format => '',
         read_only => '',
@@ -241,31 +178,13 @@ __PACKAGE__->method_documentation({
 });
 
 __PACKAGE__->openapi_types( {
-    'map_string' => 'HASH[string,string]',
-    'map_number' => 'HASH[string,double]',
-    'map_integer' => 'HASH[string,int]',
-    'map_boolean' => 'HASH[string,boolean]',
-    'map_array_integer' => 'HASH[string,ARRAY[int]]',
-    'map_array_anytype' => 'HASH[string,ARRAY[object]]',
-    'map_map_string' => 'HASH[string,HASH[string,string]]',
-    'map_map_anytype' => 'HASH[string,HASH[string,object]]',
-    'anytype_1' => 'object',
-    'anytype_2' => 'object',
-    'anytype_3' => 'object'
+    'map_property' => 'HASH[string,string]',
+    'map_of_map_property' => 'HASH[string,HASH[string,string]]'
 } );
 
 __PACKAGE__->attribute_map( {
-    'map_string' => 'map_string',
-    'map_number' => 'map_number',
-    'map_integer' => 'map_integer',
-    'map_boolean' => 'map_boolean',
-    'map_array_integer' => 'map_array_integer',
-    'map_array_anytype' => 'map_array_anytype',
-    'map_map_string' => 'map_map_string',
-    'map_map_anytype' => 'map_map_anytype',
-    'anytype_1' => 'anytype_1',
-    'anytype_2' => 'anytype_2',
-    'anytype_3' => 'anytype_3'
+    'map_property' => 'map_property',
+    'map_of_map_property' => 'map_of_map_property'
 } );
 
 __PACKAGE__->mk_accessors(keys %{__PACKAGE__->attribute_map});
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesInteger.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesInteger.pm
index 6ac377a0757..da3887e899b 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesInteger.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesInteger.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesNumber.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesNumber.pm
index ee32e481ff5..b742632d41e 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesNumber.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesNumber.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesObject.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesObject.pm
index 9bcf3aeb154..bf10d33d38c 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesObject.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesObject.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesString.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesString.pm
index bb15356f698..594f8489c8e 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesString.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/AdditionalPropertiesString.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Animal.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Animal.pm
index d9bc7ed50de..15d93a05325 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Animal.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Animal.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ApiResponse.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ApiResponse.pm
index 8a1cda357f0..673b1954e3b 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ApiResponse.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ApiResponse.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayOfArrayOfNumberOnly.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayOfArrayOfNumberOnly.pm
index 0c540b94a84..89f25673a03 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayOfArrayOfNumberOnly.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayOfArrayOfNumberOnly.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayOfNumberOnly.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayOfNumberOnly.pm
index e4723275997..20d4ce4299f 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayOfNumberOnly.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayOfNumberOnly.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayTest.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayTest.pm
index cc342e699df..3ea06c42ee7 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayTest.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ArrayTest.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -47,7 +47,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Capitalization.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Capitalization.pm
index 7f05a735204..59165095981 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Capitalization.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Capitalization.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Cat.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Cat.pm
index 9eba77c90c7..66aaed54284 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Cat.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Cat.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -47,7 +47,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Category.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Category.pm
index e6eda282cf2..f83ccda5a96 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Category.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Category.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ClassModel.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ClassModel.pm
index 124ecaaf8e8..6d4995336ce 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ClassModel.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ClassModel.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Client.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Client.pm
index 9870f0b2a2a..f4989a15608 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Client.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Client.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Dog.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Dog.pm
index 396bec58f58..e9a735f0e20 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Dog.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Dog.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -47,7 +47,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumArrays.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumArrays.pm
index 7abbe2666e9..edbfc4b5432 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumArrays.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumArrays.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumClass.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumClass.pm
index 31b0ba2a22e..d6b23f1dbfd 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumClass.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumClass.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumTest.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumTest.pm
index 79d5102de6a..a563f72d70e 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumTest.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/EnumTest.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -31,6 +31,9 @@ use Date::Parse;
 use DateTime;
 
 use WWW::OpenAPIClient::Object::OuterEnum;
+use WWW::OpenAPIClient::Object::OuterEnumDefaultValue;
+use WWW::OpenAPIClient::Object::OuterEnumInteger;
+use WWW::OpenAPIClient::Object::OuterEnumIntegerDefaultValue;
 
 use base ("Class::Accessor", "Class::Data::Inheritable");
 
@@ -47,7 +50,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -197,6 +200,27 @@ __PACKAGE__->method_documentation({
         format => '',
         read_only => '',
             },
+    'outer_enum_integer' => {
+        datatype => 'OuterEnumInteger',
+        base_name => 'outerEnumInteger',
+        description => '',
+        format => '',
+        read_only => '',
+            },
+    'outer_enum_default_value' => {
+        datatype => 'OuterEnumDefaultValue',
+        base_name => 'outerEnumDefaultValue',
+        description => '',
+        format => '',
+        read_only => '',
+            },
+    'outer_enum_integer_default_value' => {
+        datatype => 'OuterEnumIntegerDefaultValue',
+        base_name => 'outerEnumIntegerDefaultValue',
+        description => '',
+        format => '',
+        read_only => '',
+            },
 });
 
 __PACKAGE__->openapi_types( {
@@ -204,7 +228,10 @@ __PACKAGE__->openapi_types( {
     'enum_string_required' => 'string',
     'enum_integer' => 'int',
     'enum_number' => 'double',
-    'outer_enum' => 'OuterEnum'
+    'outer_enum' => 'OuterEnum',
+    'outer_enum_integer' => 'OuterEnumInteger',
+    'outer_enum_default_value' => 'OuterEnumDefaultValue',
+    'outer_enum_integer_default_value' => 'OuterEnumIntegerDefaultValue'
 } );
 
 __PACKAGE__->attribute_map( {
@@ -212,7 +239,10 @@ __PACKAGE__->attribute_map( {
     'enum_string_required' => 'enum_string_required',
     'enum_integer' => 'enum_integer',
     'enum_number' => 'enum_number',
-    'outer_enum' => 'outerEnum'
+    'outer_enum' => 'outerEnum',
+    'outer_enum_integer' => 'outerEnumInteger',
+    'outer_enum_default_value' => 'outerEnumDefaultValue',
+    'outer_enum_integer_default_value' => 'outerEnumIntegerDefaultValue'
 } );
 
 __PACKAGE__->mk_accessors(keys %{__PACKAGE__->attribute_map});
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/File.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/File.pm
index 6c3690620da..44d4650e543 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/File.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/File.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/FileSchemaTestClass.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/FileSchemaTestClass.pm
index 46643834502..e31bac19a61 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/FileSchemaTestClass.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/FileSchemaTestClass.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -47,7 +47,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Foo.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Foo.pm
index 8e76ee79d2c..378a588f945 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Foo.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Foo.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/FormatTest.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/FormatTest.pm
index 5622c742cba..b3c1defbd7e 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/FormatTest.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/FormatTest.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -252,6 +252,20 @@ __PACKAGE__->method_documentation({
         format => '',
         read_only => '',
             },
+    'pattern_with_digits' => {
+        datatype => 'string',
+        base_name => 'pattern_with_digits',
+        description => 'A string that is a 10 digit number. Can have leading zeros.',
+        format => '',
+        read_only => '',
+            },
+    'pattern_with_digits_and_delimiter' => {
+        datatype => 'string',
+        base_name => 'pattern_with_digits_and_delimiter',
+        description => 'A string starting with &#39;image_&#39; (case insensitive) and one to three digits following i.e. Image_01.',
+        format => '',
+        read_only => '',
+            },
 });
 
 __PACKAGE__->openapi_types( {
@@ -267,7 +281,9 @@ __PACKAGE__->openapi_types( {
     'date' => 'DateTime',
     'date_time' => 'DateTime',
     'uuid' => 'string',
-    'password' => 'string'
+    'password' => 'string',
+    'pattern_with_digits' => 'string',
+    'pattern_with_digits_and_delimiter' => 'string'
 } );
 
 __PACKAGE__->attribute_map( {
@@ -283,7 +299,9 @@ __PACKAGE__->attribute_map( {
     'date' => 'date',
     'date_time' => 'dateTime',
     'uuid' => 'uuid',
-    'password' => 'password'
+    'password' => 'password',
+    'pattern_with_digits' => 'pattern_with_digits',
+    'pattern_with_digits_and_delimiter' => 'pattern_with_digits_and_delimiter'
 } );
 
 __PACKAGE__->mk_accessors(keys %{__PACKAGE__->attribute_map});
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/HasOnlyReadOnly.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/HasOnlyReadOnly.pm
index 5a359791d26..cde0076373c 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/HasOnlyReadOnly.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/HasOnlyReadOnly.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/HealthCheckResult.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/HealthCheckResult.pm
index 31ee152b7b0..f8a88db2922 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/HealthCheckResult.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/HealthCheckResult.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject.pm
index 47e9d20f2ff..1b45e5c05c4 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject1.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject1.pm
index 387af5b5588..e725223d63a 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject1.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject1.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject2.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject2.pm
index 22b97d9da70..3342b60b860 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject2.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject2.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject3.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject3.pm
index 13dc5e45575..c9c74e9ead6 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject3.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject3.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject4.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject4.pm
index 733bcd1b0ec..8e73c5f3037 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject4.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject4.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject5.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject5.pm
index f4a4fa7e18c..40a1319c861 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject5.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineObject5.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineResponseDefault.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineResponseDefault.pm
index 079d246db55..7c9c51f0a96 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineResponseDefault.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/InlineResponseDefault.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -47,7 +47,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/List.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/List.pm
index 4ad74944ca9..08b426283c6 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/List.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/List.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/MapTest.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/MapTest.pm
index 9964563a6fe..4c3c66b987f 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/MapTest.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/MapTest.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/MixedPropertiesAndAdditionalPropertiesClass.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/MixedPropertiesAndAdditionalPropertiesClass.pm
index 251aabe1d61..d413341cf5b 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/MixedPropertiesAndAdditionalPropertiesClass.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/MixedPropertiesAndAdditionalPropertiesClass.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -47,7 +47,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Model200Response.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Model200Response.pm
index e088706fe0c..fd006c5ad6b 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Model200Response.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Model200Response.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ModelReturn.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ModelReturn.pm
index 530581cc0c6..4972e0a9dba 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ModelReturn.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ModelReturn.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Name.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Name.pm
index 9c00ad14894..29a78caf527 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Name.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Name.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/NullableClass.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/NullableClass.pm
index 27836004746..9e538e95c7b 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/NullableClass.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/NullableClass.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/NumberOnly.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/NumberOnly.pm
index 96b42362910..ab9e9d3dd40 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/NumberOnly.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/NumberOnly.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Order.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Order.pm
index 00ed0155385..645ba74faae 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Order.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Order.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterComposite.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterComposite.pm
index 0aef6dbfe90..aa5a9526aaa 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterComposite.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterComposite.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnum.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnum.pm
index f20810137e7..44d1e6ca8ad 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnum.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnum.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumDefaultValue.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumDefaultValue.pm
index 53b1d5a1620..5942b8ff798 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumDefaultValue.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumDefaultValue.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumInteger.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumInteger.pm
index ebc6f6d0c1b..5309a43dfa2 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumInteger.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumInteger.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumIntegerDefaultValue.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumIntegerDefaultValue.pm
index 49ff7d83eea..d12618951d3 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumIntegerDefaultValue.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/OuterEnumIntegerDefaultValue.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Pet.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Pet.pm
index dbb878f86b6..86b73132280 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Pet.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Pet.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -48,7 +48,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ReadOnlyFirst.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ReadOnlyFirst.pm
index 96d5e1d5d9c..f04defe0d97 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ReadOnlyFirst.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/ReadOnlyFirst.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/SpecialModelName.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/SpecialModelName.pm
index 48d438db454..bb884cfa0de 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/SpecialModelName.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/SpecialModelName.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Tag.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Tag.pm
index d973f5e5877..41399693422 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Tag.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/Tag.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/TypeHolderDefault.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/TypeHolderDefault.pm
index 355cf839493..147a8d9abf3 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/TypeHolderDefault.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/TypeHolderDefault.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/TypeHolderExample.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/TypeHolderExample.pm
index 8cacd4e433c..f3e28b05051 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/TypeHolderExample.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/TypeHolderExample.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/User.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/User.pm
index 44f7ff0f75f..9b86889ea42 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/User.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/User.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -46,7 +46,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/XmlItem.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/XmlItem.pm
index ad7e2c2695c..d6e700b3623 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/XmlItem.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Object/XmlItem.pm
@@ -114,20 +114,13 @@ sub from_hash {
     # loop through attributes and use openapi_types to deserialize the data
     while ( my ($_key, $_type) = each %{$self->openapi_types} ) {
         my $_json_attribute = $self->attribute_map->{$_key}; 
-        if ($_type =~ /^array\[(.+)\]$/i) { # array
-            my $_subclass = $1;
+        if ($_type =~ /^array\[/i) { # array
+            my $_subclass = substr($_type, 6, -1);
             my @_array = ();
             foreach my $_element (@{$hash->{$_json_attribute}}) {
                 push @_array, $self->_deserialize($_subclass, $_element);
             }
             $self->{$_key} = \@_array;
-        } elsif ($_type =~ /^hash\[string,(.+)\]$/i) { # hash
-            my $_subclass = $1;
-            my %_hash = ();
-            while (my($_key, $_element) = each %{$hash->{$_json_attribute}}) {
-                $_hash{$_key} = $self->_deserialize($_subclass, $_element);
-            }
-            $self->{$_key} = \%_hash;
         } elsif (exists $hash->{$_json_attribute}) { #hash(model), primitive, datetime
             $self->{$_key} = $self->_deserialize($_type, $hash->{$_json_attribute});
         } else {
@@ -142,10 +135,10 @@ sub from_hash {
 sub _deserialize {
     my ($self, $type, $data) = @_;
     $log->debugf("deserializing %s with %s",Dumper($data), $type);
-
+        
     if ($type eq 'DateTime') {
         return DateTime->from_epoch(epoch => str2time($data));
-    } elsif ( grep( /^$type$/, ('int', 'double', 'string', 'boolean'))) {
+    } elsif ( grep {$type=~/^(ARRAY\[|HASH\[string,)?$_(\])?$/} ('int', 'double', 'string', 'boolean') ) {
         return $data;
     } else { # hash(model)
         my $_instance = eval "WWW::OpenAPIClient::Object::$type->new()";
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/PetApi.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/PetApi.pm
index 070ab1bde33..f55d7b63834 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/PetApi.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/PetApi.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -53,10 +53,10 @@ sub new {
 #
 # Add a new pet to the store
 # 
-# @param Pet $body Pet object that needs to be added to the store (required)
+# @param Pet $pet Pet object that needs to be added to the store (required)
 {
     my $params = {
-    'body' => {
+    'pet' => {
         data_type => 'Pet',
         description => 'Pet object that needs to be added to the store',
         required => '1',
@@ -73,9 +73,9 @@ sub new {
 sub add_pet {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling add_pet");
+    # verify the required parameter 'pet' is set
+    unless (exists $args{'pet'}) {
+      croak("Missing the required parameter 'pet' when calling add_pet");
     }
 
     # parse inputs
@@ -95,8 +95,8 @@ sub add_pet {
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'pet'}) {
+        $_body_data = $args{'pet'};
     }
 
     # authentication setting, if any
@@ -385,10 +385,10 @@ sub get_pet_by_id {
 #
 # Update an existing pet
 # 
-# @param Pet $body Pet object that needs to be added to the store (required)
+# @param Pet $pet Pet object that needs to be added to the store (required)
 {
     my $params = {
-    'body' => {
+    'pet' => {
         data_type => 'Pet',
         description => 'Pet object that needs to be added to the store',
         required => '1',
@@ -405,9 +405,9 @@ sub get_pet_by_id {
 sub update_pet {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling update_pet");
+    # verify the required parameter 'pet' is set
+    unless (exists $args{'pet'}) {
+      croak("Missing the required parameter 'pet' when calling update_pet");
     }
 
     # parse inputs
@@ -427,8 +427,8 @@ sub update_pet {
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'pet'}) {
+        $_body_data = $args{'pet'};
     }
 
     # authentication setting, if any
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Role.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Role.pm
index 22da68892cb..dea1fd81a0c 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Role.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Role.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Role/AutoDoc.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Role/AutoDoc.pm
index bc18a96fb71..db553b53a1f 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Role/AutoDoc.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/Role/AutoDoc.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/StoreApi.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/StoreApi.pm
index 2d730e28e55..3b87d3d8f73 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/StoreApi.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/StoreApi.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -232,10 +232,10 @@ sub get_order_by_id {
 #
 # Place an order for a pet
 # 
-# @param Order $body order placed for purchasing the pet (required)
+# @param Order $order order placed for purchasing the pet (required)
 {
     my $params = {
-    'body' => {
+    'order' => {
         data_type => 'Order',
         description => 'order placed for purchasing the pet',
         required => '1',
@@ -252,9 +252,9 @@ sub get_order_by_id {
 sub place_order {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling place_order");
+    # verify the required parameter 'order' is set
+    unless (exists $args{'order'}) {
+      croak("Missing the required parameter 'order' when calling place_order");
     }
 
     # parse inputs
@@ -270,12 +270,12 @@ sub place_order {
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/json');
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'order'}) {
+        $_body_data = $args{'order'};
     }
 
     # authentication setting, if any
diff --git a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/UserApi.pm b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/UserApi.pm
index e02106644ca..15bb4b97a3c 100644
--- a/samples/client/petstore/perl/lib/WWW/OpenAPIClient/UserApi.pm
+++ b/samples/client/petstore/perl/lib/WWW/OpenAPIClient/UserApi.pm
@@ -4,7 +4,7 @@ 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: \" \\
 
-OpenAPI spec version: 1.0.0
+The version of the OpenAPI document: 1.0.0
 
 Generated by: https://openapi-generator.tech
 
@@ -53,10 +53,10 @@ sub new {
 #
 # Create user
 # 
-# @param User $body Created user object (required)
+# @param User $user Created user object (required)
 {
     my $params = {
-    'body' => {
+    'user' => {
         data_type => 'User',
         description => 'Created user object',
         required => '1',
@@ -73,9 +73,9 @@ sub new {
 sub create_user {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling create_user");
+    # verify the required parameter 'user' is set
+    unless (exists $args{'user'}) {
+      croak("Missing the required parameter 'user' when calling create_user");
     }
 
     # parse inputs
@@ -91,12 +91,12 @@ sub create_user {
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/json');
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'user'}) {
+        $_body_data = $args{'user'};
     }
 
     # authentication setting, if any
@@ -114,10 +114,10 @@ sub create_user {
 #
 # Creates list of users with given input array
 # 
-# @param ARRAY[User] $body List of user object (required)
+# @param ARRAY[User] $user List of user object (required)
 {
     my $params = {
-    'body' => {
+    'user' => {
         data_type => 'ARRAY[User]',
         description => 'List of user object',
         required => '1',
@@ -134,9 +134,9 @@ sub create_user {
 sub create_users_with_array_input {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling create_users_with_array_input");
+    # verify the required parameter 'user' is set
+    unless (exists $args{'user'}) {
+      croak("Missing the required parameter 'user' when calling create_users_with_array_input");
     }
 
     # parse inputs
@@ -152,12 +152,12 @@ sub create_users_with_array_input {
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/json');
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'user'}) {
+        $_body_data = $args{'user'};
     }
 
     # authentication setting, if any
@@ -175,10 +175,10 @@ sub create_users_with_array_input {
 #
 # Creates list of users with given input array
 # 
-# @param ARRAY[User] $body List of user object (required)
+# @param ARRAY[User] $user List of user object (required)
 {
     my $params = {
-    'body' => {
+    'user' => {
         data_type => 'ARRAY[User]',
         description => 'List of user object',
         required => '1',
@@ -195,9 +195,9 @@ sub create_users_with_array_input {
 sub create_users_with_list_input {
     my ($self, %args) = @_;
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling create_users_with_list_input");
+    # verify the required parameter 'user' is set
+    unless (exists $args{'user'}) {
+      croak("Missing the required parameter 'user' when calling create_users_with_list_input");
     }
 
     # parse inputs
@@ -213,12 +213,12 @@ sub create_users_with_list_input {
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/json');
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'user'}) {
+        $_body_data = $args{'user'};
     }
 
     # authentication setting, if any
@@ -493,7 +493,7 @@ sub logout_user {
 # Updated user
 # 
 # @param string $username name that need to be deleted (required)
-# @param User $body Updated user object (required)
+# @param User $user Updated user object (required)
 {
     my $params = {
     'username' => {
@@ -501,7 +501,7 @@ sub logout_user {
         description => 'name that need to be deleted',
         required => '1',
     },
-    'body' => {
+    'user' => {
         data_type => 'User',
         description => 'Updated user object',
         required => '1',
@@ -523,9 +523,9 @@ sub update_user {
       croak("Missing the required parameter 'username' when calling update_user");
     }
 
-    # verify the required parameter 'body' is set
-    unless (exists $args{'body'}) {
-      croak("Missing the required parameter 'body' when calling update_user");
+    # verify the required parameter 'user' is set
+    unless (exists $args{'user'}) {
+      croak("Missing the required parameter 'user' when calling update_user");
     }
 
     # parse inputs
@@ -541,7 +541,7 @@ sub update_user {
     if ($_header_accept) {
         $header_params->{'Accept'} = $_header_accept;
     }
-    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type();
+    $header_params->{'Content-Type'} = $self->{api_client}->select_header_content_type('application/json');
 
     # path params
     if ( exists $args{'username'}) {
@@ -552,8 +552,8 @@ sub update_user {
 
     my $_body_data;
     # body params
-    if ( exists $args{'body'}) {
-        $_body_data = $args{'body'};
+    if ( exists $args{'user'}) {
+        $_body_data = $args{'user'};
     }
 
     # authentication setting, if any