From ac3bb6830a2ad33e7b69dd979c4974d8a2bc3cc0 Mon Sep 17 00:00:00 2001
From: Justin Black <spacether@users.noreply.github.com>
Date: Fri, 21 Oct 2022 18:50:30 -0700
Subject: [PATCH] [python] Fixes endpoint overload type hint + required
 property not in properties (#13790)

* Adds endpoint overload type hint fix to template

* Samples regenerated

* Adds fix for required property not in properties

* Regenerates samples
---
 .../resources/python/endpoint_args.handlebars |   6 +
 .../python/model_templates/new.handlebars     |   8 ++
 .../model_templates/schema_dict.handlebars    |   4 +
 ...odels-for-testing-with-http-signature.yaml |  15 ++-
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../post.py                                   |   3 +
 .../post.pyi                                  |   3 +
 .../dynamic_servers/paths/custom/get.py       |   3 +
 .../dynamic_servers/paths/custom/get.pyi      |   3 +
 .../dynamic_servers/paths/default/get.py      |   3 +
 .../dynamic_servers/paths/default/get.pyi     |   3 +
 .../petstore/python/.openapi-generator/FILES  |   6 +
 .../openapi3/client/petstore/python/README.md |   2 +
 ...ithAllOfWithReqTestPropFromUnsetAddProp.md |  30 +++++
 .../docs/models/ObjectWithOptionalTestProp.md |  15 +++
 ..._with_req_test_prop_from_unset_add_prop.py | 124 ++++++++++++++++++
 ...with_req_test_prop_from_unset_add_prop.pyi | 124 ++++++++++++++++++
 .../model/object_with_optional_test_prop.py   |  78 +++++++++++
 .../model/object_with_optional_test_prop.pyi  |  78 +++++++++++
 .../python/petstore_api/models/__init__.py    |   2 +
 .../python/petstore_api/paths/fake/delete.py  |   3 +
 .../python/petstore_api/paths/fake/delete.pyi |   3 +
 .../paths/fake_case_sensitive_params/put.py   |   3 +
 .../paths/fake_case_sensitive_params/put.pyi  |   3 +
 .../paths/fake_delete_coffee_id/delete.py     |   3 +
 .../paths/fake_delete_coffee_id/delete.pyi    |   3 +
 .../petstore_api/paths/fake_health/get.py     |   3 +
 .../petstore_api/paths/fake_health/get.pyi    |   3 +
 .../paths/fake_obj_in_query/get.py            |   3 +
 .../paths/fake_obj_in_query/get.pyi           |   3 +
 .../get.py                                    |   3 +
 .../get.pyi                                   |   3 +
 .../paths/fake_ref_obj_in_query/get.py        |   3 +
 .../paths/fake_ref_obj_in_query/get.pyi       |   3 +
 .../paths/fake_response_without_schema/get.py |   3 +
 .../fake_response_without_schema/get.pyi      |   3 +
 .../paths/fake_test_query_paramters/put.py    |   3 +
 .../paths/fake_test_query_paramters/put.pyi   |   3 +
 .../python/petstore_api/paths/foo/get.py      |   3 +
 .../python/petstore_api/paths/foo/get.pyi     |   3 +
 .../paths/pet_find_by_status/get.py           |   3 +
 .../paths/pet_find_by_status/get.pyi          |   3 +
 .../paths/pet_find_by_tags/get.py             |   3 +
 .../paths/pet_find_by_tags/get.pyi            |   3 +
 .../petstore_api/paths/pet_pet_id/delete.py   |   3 +
 .../petstore_api/paths/pet_pet_id/delete.pyi  |   3 +
 .../petstore_api/paths/pet_pet_id/get.py      |   3 +
 .../petstore_api/paths/pet_pet_id/get.pyi     |   3 +
 .../petstore_api/paths/store_inventory/get.py |   3 +
 .../paths/store_inventory/get.pyi             |   3 +
 .../paths/store_order_order_id/delete.py      |   3 +
 .../paths/store_order_order_id/delete.pyi     |   3 +
 .../paths/store_order_order_id/get.py         |   3 +
 .../paths/store_order_order_id/get.pyi        |   3 +
 .../petstore_api/paths/user_login/get.py      |   3 +
 .../petstore_api/paths/user_login/get.pyi     |   3 +
 .../petstore_api/paths/user_logout/get.py     |   3 +
 .../petstore_api/paths/user_logout/get.pyi    |   3 +
 .../paths/user_username/delete.py             |   3 +
 .../paths/user_username/delete.pyi            |   3 +
 .../petstore_api/paths/user_username/get.py   |   3 +
 .../petstore_api/paths/user_username/get.pyi  |   3 +
 ..._with_req_test_prop_from_unset_add_prop.py |  25 ++++
 .../test_object_with_optional_test_prop.py    |  25 ++++
 ..._with_req_test_prop_from_unset_add_prop.py |  34 +++++
 236 files changed, 1235 insertions(+), 1 deletion(-)
 create mode 100644 samples/openapi3/client/petstore/python/docs/models/ObjectWithAllOfWithReqTestPropFromUnsetAddProp.md
 create mode 100644 samples/openapi3/client/petstore/python/docs/models/ObjectWithOptionalTestProp.md
 create mode 100644 samples/openapi3/client/petstore/python/petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.py
 create mode 100644 samples/openapi3/client/petstore/python/petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.pyi
 create mode 100644 samples/openapi3/client/petstore/python/petstore_api/model/object_with_optional_test_prop.py
 create mode 100644 samples/openapi3/client/petstore/python/petstore_api/model/object_with_optional_test_prop.pyi
 create mode 100644 samples/openapi3/client/petstore/python/test/test_models/test_object_with_all_of_with_req_test_prop_from_unset_add_prop.py
 create mode 100644 samples/openapi3/client/petstore/python/test/test_models/test_object_with_optional_test_prop.py
 create mode 100644 samples/openapi3/client/petstore/python/tests_manual/test_object_with_all_of_with_req_test_prop_from_unset_add_prop.py

diff --git a/modules/openapi-generator/src/main/resources/python/endpoint_args.handlebars b/modules/openapi-generator/src/main/resources/python/endpoint_args.handlebars
index bff216a72fbe..1eceaf34ad30 100644
--- a/modules/openapi-generator/src/main/resources/python/endpoint_args.handlebars
+++ b/modules/openapi-generator/src/main/resources/python/endpoint_args.handlebars
@@ -73,6 +73,12 @@
         {{/eq}}
         {{/with}}
     {{/if}}
+{{else}}
+    {{#if isOverload}}
+        {{#eq skipDeserialization "True"}}
+    skip_deserialization: typing_extensions.Literal[True],
+        {{/eq}}
+    {{/if}}
 {{/if}}
 {{#if queryParams}}
     query_params: RequestQueryParams = frozendict.frozendict(),
diff --git a/modules/openapi-generator/src/main/resources/python/model_templates/new.handlebars b/modules/openapi-generator/src/main/resources/python/model_templates/new.handlebars
index eb47a54a0352..fbf25512bade 100644
--- a/modules/openapi-generator/src/main/resources/python/model_templates/new.handlebars
+++ b/modules/openapi-generator/src/main/resources/python/model_templates/new.handlebars
@@ -17,7 +17,15 @@ def __new__(
 {{#if complexType}}
     {{baseName}}: '{{complexType}}',
 {{else}}
+    {{#if getSchemaIsFromAdditionalProperties}}
+        {{#if addPropsUnset}}
+    {{baseName}}: typing.Union[schemas.AnyTypeSchema, {{> model_templates/schema_python_types }}],
+        {{else}}
+    {{baseName}}: typing.Union[MetaOapg.additional_properties, {{> model_templates/schema_python_types }}],
+        {{/if}}
+    {{else}}
     {{baseName}}: typing.Union[MetaOapg.properties.{{baseName}}, {{> model_templates/schema_python_types }}],
+    {{/if}}
 {{/if}}
 {{/unless}}
 {{/with}}
diff --git a/modules/openapi-generator/src/main/resources/python/model_templates/schema_dict.handlebars b/modules/openapi-generator/src/main/resources/python/model_templates/schema_dict.handlebars
index 1bee51b3067c..284590644f72 100644
--- a/modules/openapi-generator/src/main/resources/python/model_templates/schema_dict.handlebars
+++ b/modules/openapi-generator/src/main/resources/python/model_templates/schema_dict.handlebars
@@ -32,4 +32,8 @@ class {{> model_templates/classname }}(
 {{/if}}
     {{> model_templates/property_type_hints }}
 
+{{#if additionalProperties}}
     {{> model_templates/new }}
+{{else}}
+    {{> model_templates/new addPropsUnset=true }}
+{{/if}}
diff --git a/modules/openapi-generator/src/test/resources/3_0/python/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml b/modules/openapi-generator/src/test/resources/3_0/python/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
index deef554542d2..f6c3f327b188 100644
--- a/modules/openapi-generator/src/test/resources/3_0/python/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/python/petstore-with-fake-endpoints-models-for-testing-with-http-signature.yaml
@@ -2978,4 +2978,17 @@ components:
           $ref: "#/components/schemas/ArrayWithValidationsInItems"
       required:
         - from
-        - "!reference"
\ No newline at end of file
+        - "!reference"
+    ObjectWithOptionalTestProp:
+      type: object
+      properties:
+        test:
+          type: string
+    ObjectWithAllOfWithReqTestPropFromUnsetAddProp:
+      allOf:
+        - $ref: '#/components/schemas/ObjectWithOptionalTestProp'
+        - type: object
+          required: [ test ]
+          properties:
+            name:
+              type: string
\ No newline at end of file
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types/post.py
index a26ef4d234b2..69c763dcab08 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_additionalproperties_allows_a_schema_which_should_validate_response_bo
     @typing.overload
     def _post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_additionalproperties_allows_a_schema_which_should_validate_response_bod
     @typing.overload
     def post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types/post.pyi
index d1507bf9f24b..2a5e71e5e091 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAdditionalpropertiesAllowsASchemaWhichShouldValidateResponseBodyForCon
     @typing.overload
     def post_additionalproperties_allows_a_schema_which_should_validate_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_are_allowed_by_default_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_are_allowed_by_default_response_body_for_content_types/post.py
index dbe7ce6e6799..0ef020fde520 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_are_allowed_by_default_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_are_allowed_by_default_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_additionalproperties_are_allowed_by_default_response_body_for_content_
     @typing.overload
     def _post_additionalproperties_are_allowed_by_default_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_additionalproperties_are_allowed_by_default_response_body_for_content_t
     @typing.overload
     def post_additionalproperties_are_allowed_by_default_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_are_allowed_by_default_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_are_allowed_by_default_response_body_for_content_types/post.pyi
index c248434a4776..328985f0eed2 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_are_allowed_by_default_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_are_allowed_by_default_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_additionalproperties_are_allowed_by_default_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAdditionalpropertiesAreAllowedByDefaultResponseBodyForContentTypes(Bas
     @typing.overload
     def post_additionalproperties_are_allowed_by_default_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_can_exist_by_itself_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_can_exist_by_itself_response_body_for_content_types/post.py
index a4195f8bec56..39b07dfedb03 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_can_exist_by_itself_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_can_exist_by_itself_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_additionalproperties_can_exist_by_itself_response_body_for_content_typ
     @typing.overload
     def _post_additionalproperties_can_exist_by_itself_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_additionalproperties_can_exist_by_itself_response_body_for_content_type
     @typing.overload
     def post_additionalproperties_can_exist_by_itself_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_can_exist_by_itself_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_can_exist_by_itself_response_body_for_content_types/post.pyi
index 82150f4679c0..02d571219258 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_can_exist_by_itself_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_can_exist_by_itself_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_additionalproperties_can_exist_by_itself_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAdditionalpropertiesCanExistByItselfResponseBodyForContentTypes(BaseAp
     @typing.overload
     def post_additionalproperties_can_exist_by_itself_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types/post.py
index 3783c4bff5d5..08339309f7a5 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_additionalproperties_should_not_look_in_applicators_response_body_for_
     @typing.overload
     def _post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_additionalproperties_should_not_look_in_applicators_response_body_for_c
     @typing.overload
     def post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types/post.pyi
index 901c227bbb0d..11163b1c9ed6 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAdditionalpropertiesShouldNotLookInApplicatorsResponseBodyForContentTy
     @typing.overload
     def post_additionalproperties_should_not_look_in_applicators_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_combined_with_anyof_oneof_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_combined_with_anyof_oneof_response_body_for_content_types/post.py
index ea702207499e..8d431a161083 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_combined_with_anyof_oneof_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_combined_with_anyof_oneof_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_allof_combined_with_anyof_oneof_response_body_for_content_types_oapg(
     @typing.overload
     def _post_allof_combined_with_anyof_oneof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_allof_combined_with_anyof_oneof_response_body_for_content_types(
     @typing.overload
     def post_allof_combined_with_anyof_oneof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_combined_with_anyof_oneof_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_combined_with_anyof_oneof_response_body_for_content_types/post.pyi
index 966c85fbffbf..a5da83b56591 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_combined_with_anyof_oneof_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_combined_with_anyof_oneof_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_allof_combined_with_anyof_oneof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAllofCombinedWithAnyofOneofResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_allof_combined_with_anyof_oneof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_response_body_for_content_types/post.py
index 4c7e14851517..f6c037767dde 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_allof_response_body_for_content_types_oapg(
     @typing.overload
     def _post_allof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_allof_response_body_for_content_types(
     @typing.overload
     def post_allof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_response_body_for_content_types/post.pyi
index 983e72c02423..07ec804e206f 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_allof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAllofResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_allof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_simple_types_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_simple_types_response_body_for_content_types/post.py
index 04dc25c28db3..77f0a396a21d 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_simple_types_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_simple_types_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_allof_simple_types_response_body_for_content_types_oapg(
     @typing.overload
     def _post_allof_simple_types_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_allof_simple_types_response_body_for_content_types(
     @typing.overload
     def post_allof_simple_types_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_simple_types_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_simple_types_response_body_for_content_types/post.pyi
index 17fb582dc3fa..9a539d77891a 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_simple_types_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_simple_types_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_allof_simple_types_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAllofSimpleTypesResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_allof_simple_types_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_base_schema_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_base_schema_response_body_for_content_types/post.py
index e0ec00ff5415..419a5d97d3e5 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_base_schema_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_base_schema_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_allof_with_base_schema_response_body_for_content_types_oapg(
     @typing.overload
     def _post_allof_with_base_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_allof_with_base_schema_response_body_for_content_types(
     @typing.overload
     def post_allof_with_base_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_base_schema_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_base_schema_response_body_for_content_types/post.pyi
index 203f7e983387..2e942812df76 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_base_schema_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_base_schema_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_allof_with_base_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAllofWithBaseSchemaResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_allof_with_base_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_one_empty_schema_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_one_empty_schema_response_body_for_content_types/post.py
index db5c47fe1618..84a474e909af 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_one_empty_schema_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_one_empty_schema_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_allof_with_one_empty_schema_response_body_for_content_types_oapg(
     @typing.overload
     def _post_allof_with_one_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_allof_with_one_empty_schema_response_body_for_content_types(
     @typing.overload
     def post_allof_with_one_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_one_empty_schema_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_one_empty_schema_response_body_for_content_types/post.pyi
index 6458869c87e8..6b727ad4f8a3 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_one_empty_schema_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_one_empty_schema_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_allof_with_one_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAllofWithOneEmptySchemaResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_allof_with_one_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_first_empty_schema_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_first_empty_schema_response_body_for_content_types/post.py
index 1cc370ae2590..ef1b3dbf401a 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_first_empty_schema_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_first_empty_schema_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_allof_with_the_first_empty_schema_response_body_for_content_types_oapg
     @typing.overload
     def _post_allof_with_the_first_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_allof_with_the_first_empty_schema_response_body_for_content_types(
     @typing.overload
     def post_allof_with_the_first_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_first_empty_schema_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_first_empty_schema_response_body_for_content_types/post.pyi
index 885e09eaa568..ced149513abb 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_first_empty_schema_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_first_empty_schema_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_allof_with_the_first_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAllofWithTheFirstEmptySchemaResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_allof_with_the_first_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_last_empty_schema_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_last_empty_schema_response_body_for_content_types/post.py
index 8e550c0e2a17..4abb4c3a69db 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_last_empty_schema_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_last_empty_schema_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_allof_with_the_last_empty_schema_response_body_for_content_types_oapg(
     @typing.overload
     def _post_allof_with_the_last_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_allof_with_the_last_empty_schema_response_body_for_content_types(
     @typing.overload
     def post_allof_with_the_last_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_last_empty_schema_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_last_empty_schema_response_body_for_content_types/post.pyi
index 7ce32b962323..19ed64f5a351 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_last_empty_schema_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_the_last_empty_schema_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_allof_with_the_last_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAllofWithTheLastEmptySchemaResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_allof_with_the_last_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_two_empty_schemas_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_two_empty_schemas_response_body_for_content_types/post.py
index a8336a12848d..b59cf91ebb54 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_two_empty_schemas_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_two_empty_schemas_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_allof_with_two_empty_schemas_response_body_for_content_types_oapg(
     @typing.overload
     def _post_allof_with_two_empty_schemas_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_allof_with_two_empty_schemas_response_body_for_content_types(
     @typing.overload
     def post_allof_with_two_empty_schemas_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_two_empty_schemas_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_two_empty_schemas_response_body_for_content_types/post.pyi
index ad1d64006345..5df855bcae20 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_two_empty_schemas_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_allof_with_two_empty_schemas_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_allof_with_two_empty_schemas_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAllofWithTwoEmptySchemasResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_allof_with_two_empty_schemas_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_complex_types_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_complex_types_response_body_for_content_types/post.py
index 61104a1a4b7f..4b50280b15c7 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_complex_types_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_complex_types_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_anyof_complex_types_response_body_for_content_types_oapg(
     @typing.overload
     def _post_anyof_complex_types_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_anyof_complex_types_response_body_for_content_types(
     @typing.overload
     def post_anyof_complex_types_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_complex_types_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_complex_types_response_body_for_content_types/post.pyi
index 686b9db9f727..3403a986260a 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_complex_types_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_complex_types_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_anyof_complex_types_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAnyofComplexTypesResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_anyof_complex_types_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_response_body_for_content_types/post.py
index 4f1056d49ae3..0da1f065b457 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_anyof_response_body_for_content_types_oapg(
     @typing.overload
     def _post_anyof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_anyof_response_body_for_content_types(
     @typing.overload
     def post_anyof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_response_body_for_content_types/post.pyi
index d95e2fb2699c..8dfc9079cbd1 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_anyof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAnyofResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_anyof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_base_schema_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_base_schema_response_body_for_content_types/post.py
index cb7e1a5bdb0d..9eed10462f29 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_base_schema_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_base_schema_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_anyof_with_base_schema_response_body_for_content_types_oapg(
     @typing.overload
     def _post_anyof_with_base_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_anyof_with_base_schema_response_body_for_content_types(
     @typing.overload
     def post_anyof_with_base_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_base_schema_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_base_schema_response_body_for_content_types/post.pyi
index 4a1ef4087831..b4114d66b962 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_base_schema_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_base_schema_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_anyof_with_base_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAnyofWithBaseSchemaResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_anyof_with_base_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_one_empty_schema_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_one_empty_schema_response_body_for_content_types/post.py
index dc5293f4aa8d..041597c88425 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_one_empty_schema_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_one_empty_schema_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_anyof_with_one_empty_schema_response_body_for_content_types_oapg(
     @typing.overload
     def _post_anyof_with_one_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_anyof_with_one_empty_schema_response_body_for_content_types(
     @typing.overload
     def post_anyof_with_one_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_one_empty_schema_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_one_empty_schema_response_body_for_content_types/post.pyi
index 2937f62ea24c..449cf2d063bf 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_one_empty_schema_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_anyof_with_one_empty_schema_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_anyof_with_one_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostAnyofWithOneEmptySchemaResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_anyof_with_one_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_array_type_matches_arrays_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_array_type_matches_arrays_response_body_for_content_types/post.py
index 5cc8abd84ad1..3f8cbfe27e62 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_array_type_matches_arrays_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_array_type_matches_arrays_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_array_type_matches_arrays_response_body_for_content_types_oapg(
     @typing.overload
     def _post_array_type_matches_arrays_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_array_type_matches_arrays_response_body_for_content_types(
     @typing.overload
     def post_array_type_matches_arrays_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_array_type_matches_arrays_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_array_type_matches_arrays_response_body_for_content_types/post.pyi
index de0a2d586598..6a639977786b 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_array_type_matches_arrays_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_array_type_matches_arrays_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_array_type_matches_arrays_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostArrayTypeMatchesArraysResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_array_type_matches_arrays_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_boolean_type_matches_booleans_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_boolean_type_matches_booleans_response_body_for_content_types/post.py
index db449dae16ca..030b06a8e41a 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_boolean_type_matches_booleans_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_boolean_type_matches_booleans_response_body_for_content_types/post.py
@@ -69,6 +69,7 @@ def _post_boolean_type_matches_booleans_response_body_for_content_types_oapg(
     @typing.overload
     def _post_boolean_type_matches_booleans_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -146,6 +147,7 @@ def post_boolean_type_matches_booleans_response_body_for_content_types(
     @typing.overload
     def post_boolean_type_matches_booleans_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -195,6 +197,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_boolean_type_matches_booleans_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_boolean_type_matches_booleans_response_body_for_content_types/post.pyi
index 8a82428ed253..8dd6262f62a9 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_boolean_type_matches_booleans_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_boolean_type_matches_booleans_response_body_for_content_types/post.pyi
@@ -64,6 +64,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_boolean_type_matches_booleans_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -141,6 +142,7 @@ class PostBooleanTypeMatchesBooleansResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_boolean_type_matches_booleans_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -190,6 +192,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_int_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_int_response_body_for_content_types/post.py
index 7b335897403f..7062ed0200e1 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_int_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_int_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_by_int_response_body_for_content_types_oapg(
     @typing.overload
     def _post_by_int_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_by_int_response_body_for_content_types(
     @typing.overload
     def post_by_int_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_int_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_int_response_body_for_content_types/post.pyi
index ddbd6265458b..9a7bbae93612 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_int_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_int_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_by_int_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostByIntResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_by_int_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_number_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_number_response_body_for_content_types/post.py
index 5ca4e97bda48..f6af5664d40a 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_number_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_number_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_by_number_response_body_for_content_types_oapg(
     @typing.overload
     def _post_by_number_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_by_number_response_body_for_content_types(
     @typing.overload
     def post_by_number_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_number_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_number_response_body_for_content_types/post.pyi
index 3b889482a1b0..974ac449f05c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_number_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_number_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_by_number_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostByNumberResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_by_number_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_small_number_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_small_number_response_body_for_content_types/post.py
index 919173804ef5..b76bb8fbb9c1 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_small_number_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_small_number_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_by_small_number_response_body_for_content_types_oapg(
     @typing.overload
     def _post_by_small_number_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_by_small_number_response_body_for_content_types(
     @typing.overload
     def post_by_small_number_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_small_number_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_small_number_response_body_for_content_types/post.pyi
index 624538655e41..ae36ecd550bd 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_small_number_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_by_small_number_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_by_small_number_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostBySmallNumberResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_by_small_number_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_date_time_format_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_date_time_format_response_body_for_content_types/post.py
index 767174010709..d1eff06e6939 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_date_time_format_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_date_time_format_response_body_for_content_types/post.py
@@ -92,6 +92,7 @@ def _post_date_time_format_response_body_for_content_types_oapg(
     @typing.overload
     def _post_date_time_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -169,6 +170,7 @@ def post_date_time_format_response_body_for_content_types(
     @typing.overload
     def post_date_time_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -218,6 +220,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_date_time_format_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_date_time_format_response_body_for_content_types/post.pyi
index af7e94cd9ac3..c05db7d83da0 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_date_time_format_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_date_time_format_response_body_for_content_types/post.pyi
@@ -87,6 +87,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_date_time_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -164,6 +165,7 @@ class PostDateTimeFormatResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_date_time_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -213,6 +215,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_email_format_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_email_format_response_body_for_content_types/post.py
index 84ceb9f85330..852d0ec405d7 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_email_format_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_email_format_response_body_for_content_types/post.py
@@ -91,6 +91,7 @@ def _post_email_format_response_body_for_content_types_oapg(
     @typing.overload
     def _post_email_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ def post_email_format_response_body_for_content_types(
     @typing.overload
     def post_email_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_email_format_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_email_format_response_body_for_content_types/post.pyi
index 873bf916764c..dfa5becb7a4b 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_email_format_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_email_format_response_body_for_content_types/post.pyi
@@ -86,6 +86,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_email_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -163,6 +164,7 @@ class PostEmailFormatResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_email_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +214,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with0_does_not_match_false_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with0_does_not_match_false_response_body_for_content_types/post.py
index b5b4c1392aa0..fcaf9122bb2e 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with0_does_not_match_false_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with0_does_not_match_false_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_enum_with0_does_not_match_false_response_body_for_content_types_oapg(
     @typing.overload
     def _post_enum_with0_does_not_match_false_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_enum_with0_does_not_match_false_response_body_for_content_types(
     @typing.overload
     def post_enum_with0_does_not_match_false_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with0_does_not_match_false_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with0_does_not_match_false_response_body_for_content_types/post.pyi
index 3bafefb7aac8..b6dd3e241531 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with0_does_not_match_false_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with0_does_not_match_false_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_enum_with0_does_not_match_false_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostEnumWith0DoesNotMatchFalseResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_enum_with0_does_not_match_false_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with1_does_not_match_true_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with1_does_not_match_true_response_body_for_content_types/post.py
index 2b2e15e491aa..cf06ad29bef3 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with1_does_not_match_true_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with1_does_not_match_true_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_enum_with1_does_not_match_true_response_body_for_content_types_oapg(
     @typing.overload
     def _post_enum_with1_does_not_match_true_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_enum_with1_does_not_match_true_response_body_for_content_types(
     @typing.overload
     def post_enum_with1_does_not_match_true_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with1_does_not_match_true_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with1_does_not_match_true_response_body_for_content_types/post.pyi
index 207a6acb0c48..3e102004f87d 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with1_does_not_match_true_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with1_does_not_match_true_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_enum_with1_does_not_match_true_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostEnumWith1DoesNotMatchTrueResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_enum_with1_does_not_match_true_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_escaped_characters_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_escaped_characters_response_body_for_content_types/post.py
index c3a46becdda7..77cceb12c894 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_escaped_characters_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_escaped_characters_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_enum_with_escaped_characters_response_body_for_content_types_oapg(
     @typing.overload
     def _post_enum_with_escaped_characters_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_enum_with_escaped_characters_response_body_for_content_types(
     @typing.overload
     def post_enum_with_escaped_characters_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_escaped_characters_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_escaped_characters_response_body_for_content_types/post.pyi
index 1f98603a7369..87ba64d45700 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_escaped_characters_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_escaped_characters_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_enum_with_escaped_characters_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostEnumWithEscapedCharactersResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_enum_with_escaped_characters_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_false_does_not_match0_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_false_does_not_match0_response_body_for_content_types/post.py
index 7230c68ea2bd..7b99febc2d9b 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_false_does_not_match0_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_false_does_not_match0_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_enum_with_false_does_not_match0_response_body_for_content_types_oapg(
     @typing.overload
     def _post_enum_with_false_does_not_match0_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_enum_with_false_does_not_match0_response_body_for_content_types(
     @typing.overload
     def post_enum_with_false_does_not_match0_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_false_does_not_match0_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_false_does_not_match0_response_body_for_content_types/post.pyi
index 8c5611e6ecd3..6456036913ae 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_false_does_not_match0_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_false_does_not_match0_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_enum_with_false_does_not_match0_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostEnumWithFalseDoesNotMatch0ResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_enum_with_false_does_not_match0_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_true_does_not_match1_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_true_does_not_match1_response_body_for_content_types/post.py
index fef0e8c61e7b..bf9c1ba2b10f 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_true_does_not_match1_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_true_does_not_match1_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_enum_with_true_does_not_match1_response_body_for_content_types_oapg(
     @typing.overload
     def _post_enum_with_true_does_not_match1_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_enum_with_true_does_not_match1_response_body_for_content_types(
     @typing.overload
     def post_enum_with_true_does_not_match1_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_true_does_not_match1_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_true_does_not_match1_response_body_for_content_types/post.pyi
index fdcec3d0b31d..89feb1f1b641 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_true_does_not_match1_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enum_with_true_does_not_match1_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_enum_with_true_does_not_match1_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostEnumWithTrueDoesNotMatch1ResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_enum_with_true_does_not_match1_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enums_in_properties_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enums_in_properties_response_body_for_content_types/post.py
index ad9d89834252..189a0b705df6 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enums_in_properties_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enums_in_properties_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_enums_in_properties_response_body_for_content_types_oapg(
     @typing.overload
     def _post_enums_in_properties_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_enums_in_properties_response_body_for_content_types(
     @typing.overload
     def post_enums_in_properties_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enums_in_properties_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enums_in_properties_response_body_for_content_types/post.pyi
index f3e7352a9d7b..4a050af8446c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enums_in_properties_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_enums_in_properties_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_enums_in_properties_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostEnumsInPropertiesResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_enums_in_properties_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_forbidden_property_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_forbidden_property_response_body_for_content_types/post.py
index 0d7ba92648f5..e2b09aead36f 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_forbidden_property_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_forbidden_property_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_forbidden_property_response_body_for_content_types_oapg(
     @typing.overload
     def _post_forbidden_property_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_forbidden_property_response_body_for_content_types(
     @typing.overload
     def post_forbidden_property_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_forbidden_property_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_forbidden_property_response_body_for_content_types/post.pyi
index fdb543ed0c23..1b146acdf45b 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_forbidden_property_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_forbidden_property_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_forbidden_property_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostForbiddenPropertyResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_forbidden_property_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_hostname_format_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_hostname_format_response_body_for_content_types/post.py
index db717448660f..1eb11280971f 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_hostname_format_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_hostname_format_response_body_for_content_types/post.py
@@ -91,6 +91,7 @@ def _post_hostname_format_response_body_for_content_types_oapg(
     @typing.overload
     def _post_hostname_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ def post_hostname_format_response_body_for_content_types(
     @typing.overload
     def post_hostname_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_hostname_format_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_hostname_format_response_body_for_content_types/post.pyi
index 5e743f86d85e..3695f168ccf8 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_hostname_format_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_hostname_format_response_body_for_content_types/post.pyi
@@ -86,6 +86,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_hostname_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -163,6 +164,7 @@ class PostHostnameFormatResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_hostname_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +214,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_integer_type_matches_integers_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_integer_type_matches_integers_response_body_for_content_types/post.py
index 9c89b09ba743..1ed8a0920d90 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_integer_type_matches_integers_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_integer_type_matches_integers_response_body_for_content_types/post.py
@@ -69,6 +69,7 @@ def _post_integer_type_matches_integers_response_body_for_content_types_oapg(
     @typing.overload
     def _post_integer_type_matches_integers_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -146,6 +147,7 @@ def post_integer_type_matches_integers_response_body_for_content_types(
     @typing.overload
     def post_integer_type_matches_integers_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -195,6 +197,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_integer_type_matches_integers_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_integer_type_matches_integers_response_body_for_content_types/post.pyi
index d8c15f8b3e1d..b00b5c5ec8d2 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_integer_type_matches_integers_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_integer_type_matches_integers_response_body_for_content_types/post.pyi
@@ -64,6 +64,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_integer_type_matches_integers_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -141,6 +142,7 @@ class PostIntegerTypeMatchesIntegersResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_integer_type_matches_integers_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -190,6 +192,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types/post.py
index 42efb7a3b980..6fe5816765a1 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_invalid_instance_should_not_raise_error_when_float_division_inf_respon
     @typing.overload
     def _post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_invalid_instance_should_not_raise_error_when_float_division_inf_respons
     @typing.overload
     def post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types/post.pyi
index e9a1d5381c3b..d9e3618aad84 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostInvalidInstanceShouldNotRaiseErrorWhenFloatDivisionInfResponseBodyForC
     @typing.overload
     def post_invalid_instance_should_not_raise_error_when_float_division_inf_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_string_value_for_default_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_string_value_for_default_response_body_for_content_types/post.py
index 3efddb842f94..39b0069e7703 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_string_value_for_default_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_string_value_for_default_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_invalid_string_value_for_default_response_body_for_content_types_oapg(
     @typing.overload
     def _post_invalid_string_value_for_default_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_invalid_string_value_for_default_response_body_for_content_types(
     @typing.overload
     def post_invalid_string_value_for_default_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_string_value_for_default_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_string_value_for_default_response_body_for_content_types/post.pyi
index 3ddd4b967da9..c568b3e1302c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_string_value_for_default_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_invalid_string_value_for_default_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_invalid_string_value_for_default_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostInvalidStringValueForDefaultResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_invalid_string_value_for_default_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv4_format_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv4_format_response_body_for_content_types/post.py
index 3a909408c190..deb135e6eb75 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv4_format_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv4_format_response_body_for_content_types/post.py
@@ -91,6 +91,7 @@ def _post_ipv4_format_response_body_for_content_types_oapg(
     @typing.overload
     def _post_ipv4_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ def post_ipv4_format_response_body_for_content_types(
     @typing.overload
     def post_ipv4_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv4_format_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv4_format_response_body_for_content_types/post.pyi
index c33a67b76876..7c0f7f47cb81 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv4_format_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv4_format_response_body_for_content_types/post.pyi
@@ -86,6 +86,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_ipv4_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -163,6 +164,7 @@ class PostIpv4FormatResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_ipv4_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +214,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv6_format_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv6_format_response_body_for_content_types/post.py
index 50675e497584..3aa10226b8dd 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv6_format_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv6_format_response_body_for_content_types/post.py
@@ -91,6 +91,7 @@ def _post_ipv6_format_response_body_for_content_types_oapg(
     @typing.overload
     def _post_ipv6_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ def post_ipv6_format_response_body_for_content_types(
     @typing.overload
     def post_ipv6_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv6_format_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv6_format_response_body_for_content_types/post.pyi
index 671be4e1b40a..54392bcfc37e 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv6_format_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ipv6_format_response_body_for_content_types/post.pyi
@@ -86,6 +86,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_ipv6_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -163,6 +164,7 @@ class PostIpv6FormatResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_ipv6_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +214,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_json_pointer_format_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_json_pointer_format_response_body_for_content_types/post.py
index e14fec5a3291..c50bd665461c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_json_pointer_format_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_json_pointer_format_response_body_for_content_types/post.py
@@ -91,6 +91,7 @@ def _post_json_pointer_format_response_body_for_content_types_oapg(
     @typing.overload
     def _post_json_pointer_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ def post_json_pointer_format_response_body_for_content_types(
     @typing.overload
     def post_json_pointer_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_json_pointer_format_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_json_pointer_format_response_body_for_content_types/post.pyi
index b15178f375e7..93604bb85caa 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_json_pointer_format_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_json_pointer_format_response_body_for_content_types/post.pyi
@@ -86,6 +86,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_json_pointer_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -163,6 +164,7 @@ class PostJsonPointerFormatResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_json_pointer_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +214,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_response_body_for_content_types/post.py
index 014815369dab..51dcc488a82e 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_maximum_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_maximum_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_maximum_validation_response_body_for_content_types(
     @typing.overload
     def post_maximum_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_response_body_for_content_types/post.pyi
index 67f10e833cb6..38c1592d8b72 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_maximum_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMaximumValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_maximum_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_with_unsigned_integer_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_with_unsigned_integer_response_body_for_content_types/post.py
index 2d6a599008aa..b17d7e4eb7ac 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_with_unsigned_integer_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_with_unsigned_integer_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_maximum_validation_with_unsigned_integer_response_body_for_content_typ
     @typing.overload
     def _post_maximum_validation_with_unsigned_integer_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_maximum_validation_with_unsigned_integer_response_body_for_content_type
     @typing.overload
     def post_maximum_validation_with_unsigned_integer_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_with_unsigned_integer_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_with_unsigned_integer_response_body_for_content_types/post.pyi
index 7dc51f79d71c..39239b266b20 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_with_unsigned_integer_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maximum_validation_with_unsigned_integer_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_maximum_validation_with_unsigned_integer_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMaximumValidationWithUnsignedIntegerResponseBodyForContentTypes(BaseAp
     @typing.overload
     def post_maximum_validation_with_unsigned_integer_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxitems_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxitems_validation_response_body_for_content_types/post.py
index 492283788312..131755c3710b 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxitems_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxitems_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_maxitems_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_maxitems_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_maxitems_validation_response_body_for_content_types(
     @typing.overload
     def post_maxitems_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxitems_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxitems_validation_response_body_for_content_types/post.pyi
index 7976bfe5b8c0..4b232322037e 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxitems_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxitems_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_maxitems_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMaxitemsValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_maxitems_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxlength_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxlength_validation_response_body_for_content_types/post.py
index 857194aeddd8..12c48c612be7 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxlength_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxlength_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_maxlength_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_maxlength_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_maxlength_validation_response_body_for_content_types(
     @typing.overload
     def post_maxlength_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxlength_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxlength_validation_response_body_for_content_types/post.pyi
index 722b3231719e..67a49cfb35e1 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxlength_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxlength_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_maxlength_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMaxlengthValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_maxlength_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties0_means_the_object_is_empty_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties0_means_the_object_is_empty_response_body_for_content_types/post.py
index 2f1fe908a902..fe39361d4225 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties0_means_the_object_is_empty_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties0_means_the_object_is_empty_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_maxproperties0_means_the_object_is_empty_response_body_for_content_typ
     @typing.overload
     def _post_maxproperties0_means_the_object_is_empty_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_maxproperties0_means_the_object_is_empty_response_body_for_content_type
     @typing.overload
     def post_maxproperties0_means_the_object_is_empty_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties0_means_the_object_is_empty_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties0_means_the_object_is_empty_response_body_for_content_types/post.pyi
index 906b57dca172..816491bd56ce 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties0_means_the_object_is_empty_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties0_means_the_object_is_empty_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_maxproperties0_means_the_object_is_empty_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMaxproperties0MeansTheObjectIsEmptyResponseBodyForContentTypes(BaseApi
     @typing.overload
     def post_maxproperties0_means_the_object_is_empty_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties_validation_response_body_for_content_types/post.py
index caef224ec897..61ec66dfc045 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_maxproperties_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_maxproperties_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_maxproperties_validation_response_body_for_content_types(
     @typing.overload
     def post_maxproperties_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties_validation_response_body_for_content_types/post.pyi
index a12bafc0241a..acad9a85a92c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_maxproperties_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_maxproperties_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMaxpropertiesValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_maxproperties_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_response_body_for_content_types/post.py
index 455b40680e6c..e6df6196f60b 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_minimum_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_minimum_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_minimum_validation_response_body_for_content_types(
     @typing.overload
     def post_minimum_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_response_body_for_content_types/post.pyi
index 3ecf130dc090..482781d57948 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_minimum_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMinimumValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_minimum_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_with_signed_integer_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_with_signed_integer_response_body_for_content_types/post.py
index c7dbae7b6498..e929dbcee327 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_with_signed_integer_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_with_signed_integer_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_minimum_validation_with_signed_integer_response_body_for_content_types
     @typing.overload
     def _post_minimum_validation_with_signed_integer_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_minimum_validation_with_signed_integer_response_body_for_content_types(
     @typing.overload
     def post_minimum_validation_with_signed_integer_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_with_signed_integer_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_with_signed_integer_response_body_for_content_types/post.pyi
index 4a94bf8db0d6..850526fae3e5 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_with_signed_integer_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minimum_validation_with_signed_integer_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_minimum_validation_with_signed_integer_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMinimumValidationWithSignedIntegerResponseBodyForContentTypes(BaseApi)
     @typing.overload
     def post_minimum_validation_with_signed_integer_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minitems_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minitems_validation_response_body_for_content_types/post.py
index 05ed4ee8bb99..df08580e42e5 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minitems_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minitems_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_minitems_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_minitems_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_minitems_validation_response_body_for_content_types(
     @typing.overload
     def post_minitems_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minitems_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minitems_validation_response_body_for_content_types/post.pyi
index c9e8bb7a6f0f..73f911444250 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minitems_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minitems_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_minitems_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMinitemsValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_minitems_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minlength_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minlength_validation_response_body_for_content_types/post.py
index fd1d4f2d1a77..df932cb5f107 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minlength_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minlength_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_minlength_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_minlength_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_minlength_validation_response_body_for_content_types(
     @typing.overload
     def post_minlength_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minlength_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minlength_validation_response_body_for_content_types/post.pyi
index a67f5177d9c9..8779b7b9b11c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minlength_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minlength_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_minlength_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMinlengthValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_minlength_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minproperties_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minproperties_validation_response_body_for_content_types/post.py
index 7fe9a3c69b5e..fa20a29c5413 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minproperties_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minproperties_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_minproperties_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_minproperties_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_minproperties_validation_response_body_for_content_types(
     @typing.overload
     def post_minproperties_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minproperties_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minproperties_validation_response_body_for_content_types/post.pyi
index 9684d044456b..62b2572fd5a0 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minproperties_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_minproperties_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_minproperties_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostMinpropertiesValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_minproperties_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_allof_to_check_validation_semantics_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_allof_to_check_validation_semantics_response_body_for_content_types/post.py
index e29ea0fbc532..373e7db540a0 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_allof_to_check_validation_semantics_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_allof_to_check_validation_semantics_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_nested_allof_to_check_validation_semantics_response_body_for_content_t
     @typing.overload
     def _post_nested_allof_to_check_validation_semantics_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_nested_allof_to_check_validation_semantics_response_body_for_content_ty
     @typing.overload
     def post_nested_allof_to_check_validation_semantics_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_allof_to_check_validation_semantics_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_allof_to_check_validation_semantics_response_body_for_content_types/post.pyi
index 4810724d1d92..99c4c8f72441 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_allof_to_check_validation_semantics_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_allof_to_check_validation_semantics_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_nested_allof_to_check_validation_semantics_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostNestedAllofToCheckValidationSemanticsResponseBodyForContentTypes(BaseA
     @typing.overload
     def post_nested_allof_to_check_validation_semantics_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_anyof_to_check_validation_semantics_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_anyof_to_check_validation_semantics_response_body_for_content_types/post.py
index 3489d664010d..94d61d9b79e0 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_anyof_to_check_validation_semantics_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_anyof_to_check_validation_semantics_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_nested_anyof_to_check_validation_semantics_response_body_for_content_t
     @typing.overload
     def _post_nested_anyof_to_check_validation_semantics_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_nested_anyof_to_check_validation_semantics_response_body_for_content_ty
     @typing.overload
     def post_nested_anyof_to_check_validation_semantics_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_anyof_to_check_validation_semantics_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_anyof_to_check_validation_semantics_response_body_for_content_types/post.pyi
index 80692348d736..96c083c4b942 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_anyof_to_check_validation_semantics_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_anyof_to_check_validation_semantics_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_nested_anyof_to_check_validation_semantics_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostNestedAnyofToCheckValidationSemanticsResponseBodyForContentTypes(BaseA
     @typing.overload
     def post_nested_anyof_to_check_validation_semantics_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_items_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_items_response_body_for_content_types/post.py
index 492ff134548a..3bfe474cebaa 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_items_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_items_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_nested_items_response_body_for_content_types_oapg(
     @typing.overload
     def _post_nested_items_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_nested_items_response_body_for_content_types(
     @typing.overload
     def post_nested_items_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_items_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_items_response_body_for_content_types/post.pyi
index df06609b95b3..2869480c1d8d 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_items_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_items_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_nested_items_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostNestedItemsResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_nested_items_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_oneof_to_check_validation_semantics_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_oneof_to_check_validation_semantics_response_body_for_content_types/post.py
index d4e488766585..00dba053a141 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_oneof_to_check_validation_semantics_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_oneof_to_check_validation_semantics_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_nested_oneof_to_check_validation_semantics_response_body_for_content_t
     @typing.overload
     def _post_nested_oneof_to_check_validation_semantics_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_nested_oneof_to_check_validation_semantics_response_body_for_content_ty
     @typing.overload
     def post_nested_oneof_to_check_validation_semantics_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_oneof_to_check_validation_semantics_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_oneof_to_check_validation_semantics_response_body_for_content_types/post.pyi
index 7d498d603bfa..014f023fa6ee 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_oneof_to_check_validation_semantics_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nested_oneof_to_check_validation_semantics_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_nested_oneof_to_check_validation_semantics_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostNestedOneofToCheckValidationSemanticsResponseBodyForContentTypes(BaseA
     @typing.overload
     def post_nested_oneof_to_check_validation_semantics_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_more_complex_schema_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_more_complex_schema_response_body_for_content_types/post.py
index 6bc017808ff8..9cf3c05972a8 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_more_complex_schema_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_more_complex_schema_response_body_for_content_types/post.py
@@ -140,6 +140,7 @@ def _post_not_more_complex_schema_response_body_for_content_types_oapg(
     @typing.overload
     def _post_not_more_complex_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +218,7 @@ def post_not_more_complex_schema_response_body_for_content_types(
     @typing.overload
     def post_not_more_complex_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -266,6 +268,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_more_complex_schema_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_more_complex_schema_response_body_for_content_types/post.pyi
index 3957b33cb1e2..dba719e1352c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_more_complex_schema_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_more_complex_schema_response_body_for_content_types/post.pyi
@@ -135,6 +135,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_not_more_complex_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +213,7 @@ class PostNotMoreComplexSchemaResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_not_more_complex_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -261,6 +263,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_response_body_for_content_types/post.py
index 03d9ffcda131..9c464a7df416 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_response_body_for_content_types/post.py
@@ -91,6 +91,7 @@ def _post_not_response_body_for_content_types_oapg(
     @typing.overload
     def _post_not_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ def post_not_response_body_for_content_types(
     @typing.overload
     def post_not_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_response_body_for_content_types/post.pyi
index 7b2fa049cad9..b3fc90331f3e 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_not_response_body_for_content_types/post.pyi
@@ -86,6 +86,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_not_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -163,6 +164,7 @@ class PostNotResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_not_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +214,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nul_characters_in_strings_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nul_characters_in_strings_response_body_for_content_types/post.py
index 8337995803ae..51c0a38e329f 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nul_characters_in_strings_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nul_characters_in_strings_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_nul_characters_in_strings_response_body_for_content_types_oapg(
     @typing.overload
     def _post_nul_characters_in_strings_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_nul_characters_in_strings_response_body_for_content_types(
     @typing.overload
     def post_nul_characters_in_strings_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nul_characters_in_strings_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nul_characters_in_strings_response_body_for_content_types/post.pyi
index 017495d5d2d6..fd0d333919d6 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nul_characters_in_strings_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_nul_characters_in_strings_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_nul_characters_in_strings_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostNulCharactersInStringsResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_nul_characters_in_strings_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_null_type_matches_only_the_null_object_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_null_type_matches_only_the_null_object_response_body_for_content_types/post.py
index 3ad92b9b8fd7..c1e7d374a259 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_null_type_matches_only_the_null_object_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_null_type_matches_only_the_null_object_response_body_for_content_types/post.py
@@ -69,6 +69,7 @@ def _post_null_type_matches_only_the_null_object_response_body_for_content_types
     @typing.overload
     def _post_null_type_matches_only_the_null_object_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -146,6 +147,7 @@ def post_null_type_matches_only_the_null_object_response_body_for_content_types(
     @typing.overload
     def post_null_type_matches_only_the_null_object_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -195,6 +197,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_null_type_matches_only_the_null_object_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_null_type_matches_only_the_null_object_response_body_for_content_types/post.pyi
index 199f916cee06..f8ec2c324da1 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_null_type_matches_only_the_null_object_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_null_type_matches_only_the_null_object_response_body_for_content_types/post.pyi
@@ -64,6 +64,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_null_type_matches_only_the_null_object_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -141,6 +142,7 @@ class PostNullTypeMatchesOnlyTheNullObjectResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_null_type_matches_only_the_null_object_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -190,6 +192,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_number_type_matches_numbers_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_number_type_matches_numbers_response_body_for_content_types/post.py
index cde93c72ce87..361775d9d419 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_number_type_matches_numbers_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_number_type_matches_numbers_response_body_for_content_types/post.py
@@ -69,6 +69,7 @@ def _post_number_type_matches_numbers_response_body_for_content_types_oapg(
     @typing.overload
     def _post_number_type_matches_numbers_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -146,6 +147,7 @@ def post_number_type_matches_numbers_response_body_for_content_types(
     @typing.overload
     def post_number_type_matches_numbers_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -195,6 +197,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_number_type_matches_numbers_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_number_type_matches_numbers_response_body_for_content_types/post.pyi
index 6e88c42dd670..3c6fcf2bdb44 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_number_type_matches_numbers_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_number_type_matches_numbers_response_body_for_content_types/post.pyi
@@ -64,6 +64,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_number_type_matches_numbers_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -141,6 +142,7 @@ class PostNumberTypeMatchesNumbersResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_number_type_matches_numbers_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -190,6 +192,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_properties_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_properties_validation_response_body_for_content_types/post.py
index e5e9f0db8025..4769ba021d86 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_properties_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_properties_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_object_properties_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_object_properties_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_object_properties_validation_response_body_for_content_types(
     @typing.overload
     def post_object_properties_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_properties_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_properties_validation_response_body_for_content_types/post.pyi
index 47259e1d4e89..ba6519531424 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_properties_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_properties_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_object_properties_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostObjectPropertiesValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_object_properties_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_type_matches_objects_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_type_matches_objects_response_body_for_content_types/post.py
index 4637ea3d3800..40644049039d 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_type_matches_objects_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_type_matches_objects_response_body_for_content_types/post.py
@@ -69,6 +69,7 @@ def _post_object_type_matches_objects_response_body_for_content_types_oapg(
     @typing.overload
     def _post_object_type_matches_objects_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -146,6 +147,7 @@ def post_object_type_matches_objects_response_body_for_content_types(
     @typing.overload
     def post_object_type_matches_objects_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -195,6 +197,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_type_matches_objects_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_type_matches_objects_response_body_for_content_types/post.pyi
index 5c554c8ce2e2..a536bf84d026 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_type_matches_objects_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_object_type_matches_objects_response_body_for_content_types/post.pyi
@@ -64,6 +64,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_object_type_matches_objects_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -141,6 +142,7 @@ class PostObjectTypeMatchesObjectsResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_object_type_matches_objects_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -190,6 +192,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_complex_types_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_complex_types_response_body_for_content_types/post.py
index 0670aeb2be17..ab4917e7cb17 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_complex_types_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_complex_types_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_oneof_complex_types_response_body_for_content_types_oapg(
     @typing.overload
     def _post_oneof_complex_types_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_oneof_complex_types_response_body_for_content_types(
     @typing.overload
     def post_oneof_complex_types_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_complex_types_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_complex_types_response_body_for_content_types/post.pyi
index a3801d37e450..13fc378b54c5 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_complex_types_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_complex_types_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_oneof_complex_types_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostOneofComplexTypesResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_oneof_complex_types_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_response_body_for_content_types/post.py
index 473bcca1fe8f..a109b7c7af23 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_oneof_response_body_for_content_types_oapg(
     @typing.overload
     def _post_oneof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_oneof_response_body_for_content_types(
     @typing.overload
     def post_oneof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_response_body_for_content_types/post.pyi
index ef5fdf6e1c02..63bc2cb122f8 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_oneof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostOneofResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_oneof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_base_schema_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_base_schema_response_body_for_content_types/post.py
index ad5893703361..1dfca4c39386 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_base_schema_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_base_schema_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_oneof_with_base_schema_response_body_for_content_types_oapg(
     @typing.overload
     def _post_oneof_with_base_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_oneof_with_base_schema_response_body_for_content_types(
     @typing.overload
     def post_oneof_with_base_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_base_schema_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_base_schema_response_body_for_content_types/post.pyi
index 95e8f8bff400..086dd1a6e3d7 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_base_schema_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_base_schema_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_oneof_with_base_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostOneofWithBaseSchemaResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_oneof_with_base_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_empty_schema_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_empty_schema_response_body_for_content_types/post.py
index a2936bd0d66f..d91a02eeb70b 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_empty_schema_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_empty_schema_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_oneof_with_empty_schema_response_body_for_content_types_oapg(
     @typing.overload
     def _post_oneof_with_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_oneof_with_empty_schema_response_body_for_content_types(
     @typing.overload
     def post_oneof_with_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_empty_schema_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_empty_schema_response_body_for_content_types/post.pyi
index de60f66e0b53..db4e55b94fce 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_empty_schema_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_empty_schema_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_oneof_with_empty_schema_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostOneofWithEmptySchemaResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_oneof_with_empty_schema_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_required_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_required_response_body_for_content_types/post.py
index a05894d4011f..18af4cfe7b0c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_required_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_required_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_oneof_with_required_response_body_for_content_types_oapg(
     @typing.overload
     def _post_oneof_with_required_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_oneof_with_required_response_body_for_content_types(
     @typing.overload
     def post_oneof_with_required_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_required_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_required_response_body_for_content_types/post.pyi
index f48e1c66e4b3..f90b79612ce7 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_required_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_oneof_with_required_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_oneof_with_required_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostOneofWithRequiredResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_oneof_with_required_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_is_not_anchored_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_is_not_anchored_response_body_for_content_types/post.py
index e1274eb0039b..bef8879c1d6c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_is_not_anchored_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_is_not_anchored_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_pattern_is_not_anchored_response_body_for_content_types_oapg(
     @typing.overload
     def _post_pattern_is_not_anchored_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_pattern_is_not_anchored_response_body_for_content_types(
     @typing.overload
     def post_pattern_is_not_anchored_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_is_not_anchored_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_is_not_anchored_response_body_for_content_types/post.pyi
index 128e1246fff2..c1cc91c88ca6 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_is_not_anchored_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_is_not_anchored_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_pattern_is_not_anchored_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostPatternIsNotAnchoredResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_pattern_is_not_anchored_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_validation_response_body_for_content_types/post.py
index a12b35e16752..f267935d1478 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_pattern_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_pattern_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_pattern_validation_response_body_for_content_types(
     @typing.overload
     def post_pattern_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_validation_response_body_for_content_types/post.pyi
index 2e1b4cbec541..589121a113cc 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_pattern_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_pattern_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostPatternValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_pattern_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_properties_with_escaped_characters_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_properties_with_escaped_characters_response_body_for_content_types/post.py
index 936ad666576e..8bf1bdca8852 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_properties_with_escaped_characters_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_properties_with_escaped_characters_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_properties_with_escaped_characters_response_body_for_content_types_oap
     @typing.overload
     def _post_properties_with_escaped_characters_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_properties_with_escaped_characters_response_body_for_content_types(
     @typing.overload
     def post_properties_with_escaped_characters_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_properties_with_escaped_characters_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_properties_with_escaped_characters_response_body_for_content_types/post.pyi
index 7e41369c8617..a2f57446fd3c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_properties_with_escaped_characters_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_properties_with_escaped_characters_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_properties_with_escaped_characters_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostPropertiesWithEscapedCharactersResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_properties_with_escaped_characters_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_property_named_ref_that_is_not_a_reference_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_property_named_ref_that_is_not_a_reference_response_body_for_content_types/post.py
index d05ed431c86e..7bd5d81fe115 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_property_named_ref_that_is_not_a_reference_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_property_named_ref_that_is_not_a_reference_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_property_named_ref_that_is_not_a_reference_response_body_for_content_t
     @typing.overload
     def _post_property_named_ref_that_is_not_a_reference_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_property_named_ref_that_is_not_a_reference_response_body_for_content_ty
     @typing.overload
     def post_property_named_ref_that_is_not_a_reference_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_property_named_ref_that_is_not_a_reference_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_property_named_ref_that_is_not_a_reference_response_body_for_content_types/post.pyi
index 8bb97630bc71..e6c1333f5c99 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_property_named_ref_that_is_not_a_reference_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_property_named_ref_that_is_not_a_reference_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_property_named_ref_that_is_not_a_reference_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostPropertyNamedRefThatIsNotAReferenceResponseBodyForContentTypes(BaseApi
     @typing.overload
     def post_property_named_ref_that_is_not_a_reference_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_additionalproperties_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_additionalproperties_response_body_for_content_types/post.py
index a91f8813a7b3..e7d5c5eca612 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_additionalproperties_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_additionalproperties_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_ref_in_additionalproperties_response_body_for_content_types_oapg(
     @typing.overload
     def _post_ref_in_additionalproperties_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_ref_in_additionalproperties_response_body_for_content_types(
     @typing.overload
     def post_ref_in_additionalproperties_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_additionalproperties_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_additionalproperties_response_body_for_content_types/post.pyi
index 900f55542187..0bb91ff44c1a 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_additionalproperties_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_additionalproperties_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_ref_in_additionalproperties_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostRefInAdditionalpropertiesResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_ref_in_additionalproperties_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_allof_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_allof_response_body_for_content_types/post.py
index fcae793b616e..cd8bf5b50709 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_allof_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_allof_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_ref_in_allof_response_body_for_content_types_oapg(
     @typing.overload
     def _post_ref_in_allof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_ref_in_allof_response_body_for_content_types(
     @typing.overload
     def post_ref_in_allof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_allof_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_allof_response_body_for_content_types/post.pyi
index 265a672db3c7..211f9ff8d286 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_allof_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_allof_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_ref_in_allof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostRefInAllofResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_ref_in_allof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_anyof_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_anyof_response_body_for_content_types/post.py
index 8e4026bb2fd3..c28733f77b30 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_anyof_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_anyof_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_ref_in_anyof_response_body_for_content_types_oapg(
     @typing.overload
     def _post_ref_in_anyof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_ref_in_anyof_response_body_for_content_types(
     @typing.overload
     def post_ref_in_anyof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_anyof_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_anyof_response_body_for_content_types/post.pyi
index a2d53f3dad4b..2fbc6af0e129 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_anyof_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_anyof_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_ref_in_anyof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostRefInAnyofResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_ref_in_anyof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_items_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_items_response_body_for_content_types/post.py
index d6faf25623c9..77c23bc9fafb 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_items_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_items_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_ref_in_items_response_body_for_content_types_oapg(
     @typing.overload
     def _post_ref_in_items_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_ref_in_items_response_body_for_content_types(
     @typing.overload
     def post_ref_in_items_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_items_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_items_response_body_for_content_types/post.pyi
index 7ac9c2f3dcb4..eab5a6d5a4ea 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_items_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_items_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_ref_in_items_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostRefInItemsResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_ref_in_items_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_not_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_not_response_body_for_content_types/post.py
index d289f34e4c44..b4c707bd61ba 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_not_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_not_response_body_for_content_types/post.py
@@ -96,6 +96,7 @@ def _post_ref_in_not_response_body_for_content_types_oapg(
     @typing.overload
     def _post_ref_in_not_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -173,6 +174,7 @@ def post_ref_in_not_response_body_for_content_types(
     @typing.overload
     def post_ref_in_not_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -222,6 +224,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_not_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_not_response_body_for_content_types/post.pyi
index 3b8376118f24..33edd4ec972e 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_not_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_not_response_body_for_content_types/post.pyi
@@ -91,6 +91,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_ref_in_not_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ class PostRefInNotResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_ref_in_not_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_oneof_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_oneof_response_body_for_content_types/post.py
index c4173c7164b5..2ed178a49d92 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_oneof_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_oneof_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_ref_in_oneof_response_body_for_content_types_oapg(
     @typing.overload
     def _post_ref_in_oneof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_ref_in_oneof_response_body_for_content_types(
     @typing.overload
     def post_ref_in_oneof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_oneof_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_oneof_response_body_for_content_types/post.pyi
index 78aec765441d..53f46629860a 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_oneof_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_oneof_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_ref_in_oneof_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostRefInOneofResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_ref_in_oneof_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_property_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_property_response_body_for_content_types/post.py
index 8c919aea71ce..ed51fd0f79b4 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_property_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_property_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_ref_in_property_response_body_for_content_types_oapg(
     @typing.overload
     def _post_ref_in_property_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_ref_in_property_response_body_for_content_types(
     @typing.overload
     def post_ref_in_property_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_property_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_property_response_body_for_content_types/post.pyi
index 87b6d585960d..974eb70c891d 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_property_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_ref_in_property_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_ref_in_property_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostRefInPropertyResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_ref_in_property_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_default_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_default_validation_response_body_for_content_types/post.py
index 2f071fcad98c..2c1e9db6462d 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_default_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_default_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_required_default_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_required_default_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_required_default_validation_response_body_for_content_types(
     @typing.overload
     def post_required_default_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_default_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_default_validation_response_body_for_content_types/post.pyi
index ba9ce4b930f2..977571b091f7 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_default_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_default_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_required_default_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostRequiredDefaultValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_required_default_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_validation_response_body_for_content_types/post.py
index feece12371fc..d30d66adfde3 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_required_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_required_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_required_validation_response_body_for_content_types(
     @typing.overload
     def post_required_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_validation_response_body_for_content_types/post.pyi
index 0c226b3e2e7a..17454c7031c5 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_required_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostRequiredValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_required_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_empty_array_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_empty_array_response_body_for_content_types/post.py
index ae3f890c1b03..c951da515a97 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_empty_array_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_empty_array_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_required_with_empty_array_response_body_for_content_types_oapg(
     @typing.overload
     def _post_required_with_empty_array_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_required_with_empty_array_response_body_for_content_types(
     @typing.overload
     def post_required_with_empty_array_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_empty_array_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_empty_array_response_body_for_content_types/post.pyi
index 550654feff63..3c36cc22f5c0 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_empty_array_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_empty_array_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_required_with_empty_array_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostRequiredWithEmptyArrayResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_required_with_empty_array_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_escaped_characters_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_escaped_characters_response_body_for_content_types/post.py
index 837f66395acf..7745f092fb1d 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_escaped_characters_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_escaped_characters_response_body_for_content_types/post.py
@@ -99,6 +99,7 @@ def _post_required_with_escaped_characters_response_body_for_content_types_oapg(
     @typing.overload
     def _post_required_with_escaped_characters_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -176,6 +177,7 @@ def post_required_with_escaped_characters_response_body_for_content_types(
     @typing.overload
     def post_required_with_escaped_characters_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -225,6 +227,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_escaped_characters_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_escaped_characters_response_body_for_content_types/post.pyi
index 38ff81848c92..654dea6b470f 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_escaped_characters_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_required_with_escaped_characters_response_body_for_content_types/post.pyi
@@ -94,6 +94,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_required_with_escaped_characters_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -171,6 +172,7 @@ class PostRequiredWithEscapedCharactersResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_required_with_escaped_characters_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -220,6 +222,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_simple_enum_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_simple_enum_validation_response_body_for_content_types/post.py
index f33666b2d9be..98f48905197a 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_simple_enum_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_simple_enum_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_simple_enum_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_simple_enum_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_simple_enum_validation_response_body_for_content_types(
     @typing.overload
     def post_simple_enum_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_simple_enum_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_simple_enum_validation_response_body_for_content_types/post.pyi
index 525cc8b4279d..e8cbae9b39cf 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_simple_enum_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_simple_enum_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_simple_enum_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostSimpleEnumValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_simple_enum_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_string_type_matches_strings_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_string_type_matches_strings_response_body_for_content_types/post.py
index 232e64e2fd73..690aca6f91d8 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_string_type_matches_strings_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_string_type_matches_strings_response_body_for_content_types/post.py
@@ -69,6 +69,7 @@ def _post_string_type_matches_strings_response_body_for_content_types_oapg(
     @typing.overload
     def _post_string_type_matches_strings_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -146,6 +147,7 @@ def post_string_type_matches_strings_response_body_for_content_types(
     @typing.overload
     def post_string_type_matches_strings_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -195,6 +197,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_string_type_matches_strings_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_string_type_matches_strings_response_body_for_content_types/post.pyi
index 92cb39e7f990..54bc07baa992 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_string_type_matches_strings_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_string_type_matches_strings_response_body_for_content_types/post.pyi
@@ -64,6 +64,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_string_type_matches_strings_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -141,6 +142,7 @@ class PostStringTypeMatchesStringsResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_string_type_matches_strings_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -190,6 +192,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types/post.py
index 7ec32ffcd59d..f84c021f89f2 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_re
     @typing.overload
     def _post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_res
     @typing.overload
     def post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types/post.pyi
index 5e4fef20acdc..12593d9a33c5 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostTheDefaultKeywordDoesNotDoAnythingIfThePropertyIsMissingResponseBodyFo
     @typing.overload
     def post_the_default_keyword_does_not_do_anything_if_the_property_is_missing_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_false_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_false_validation_response_body_for_content_types/post.py
index 2ca6488bc1ad..6c00ce1445f4 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_false_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_false_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_uniqueitems_false_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_uniqueitems_false_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_uniqueitems_false_validation_response_body_for_content_types(
     @typing.overload
     def post_uniqueitems_false_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_false_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_false_validation_response_body_for_content_types/post.pyi
index 3054b4951663..c38e6e9c334d 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_false_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_false_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_uniqueitems_false_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostUniqueitemsFalseValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_uniqueitems_false_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_validation_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_validation_response_body_for_content_types/post.py
index c4f75d43a8a5..b8c53f797bd1 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_validation_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_validation_response_body_for_content_types/post.py
@@ -71,6 +71,7 @@ def _post_uniqueitems_validation_response_body_for_content_types_oapg(
     @typing.overload
     def _post_uniqueitems_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def post_uniqueitems_validation_response_body_for_content_types(
     @typing.overload
     def post_uniqueitems_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_validation_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_validation_response_body_for_content_types/post.pyi
index b8d23d3e76e4..5d7a775bebc7 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_validation_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uniqueitems_validation_response_body_for_content_types/post.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_uniqueitems_validation_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class PostUniqueitemsValidationResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_uniqueitems_validation_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_format_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_format_response_body_for_content_types/post.py
index b0bb6afea943..5049eb56e95e 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_format_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_format_response_body_for_content_types/post.py
@@ -91,6 +91,7 @@ def _post_uri_format_response_body_for_content_types_oapg(
     @typing.overload
     def _post_uri_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ def post_uri_format_response_body_for_content_types(
     @typing.overload
     def post_uri_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_format_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_format_response_body_for_content_types/post.pyi
index aec6e6c16f02..119a9678d7b1 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_format_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_format_response_body_for_content_types/post.pyi
@@ -86,6 +86,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_uri_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -163,6 +164,7 @@ class PostUriFormatResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_uri_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +214,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_reference_format_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_reference_format_response_body_for_content_types/post.py
index b0f931024723..65ecca6b552d 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_reference_format_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_reference_format_response_body_for_content_types/post.py
@@ -91,6 +91,7 @@ def _post_uri_reference_format_response_body_for_content_types_oapg(
     @typing.overload
     def _post_uri_reference_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ def post_uri_reference_format_response_body_for_content_types(
     @typing.overload
     def post_uri_reference_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_reference_format_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_reference_format_response_body_for_content_types/post.pyi
index 3de5191676e0..985665f54867 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_reference_format_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_reference_format_response_body_for_content_types/post.pyi
@@ -86,6 +86,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_uri_reference_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -163,6 +164,7 @@ class PostUriReferenceFormatResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_uri_reference_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +214,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_template_format_response_body_for_content_types/post.py b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_template_format_response_body_for_content_types/post.py
index 1eea3901e94e..52dcf6763dae 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_template_format_response_body_for_content_types/post.py
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_template_format_response_body_for_content_types/post.py
@@ -91,6 +91,7 @@ def _post_uri_template_format_response_body_for_content_types_oapg(
     @typing.overload
     def _post_uri_template_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -168,6 +169,7 @@ def post_uri_template_format_response_body_for_content_types(
     @typing.overload
     def post_uri_template_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -217,6 +219,7 @@ def post(
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_template_format_response_body_for_content_types/post.pyi b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_template_format_response_body_for_content_types/post.pyi
index 06064e29e7be..7d1760c1b73c 100644
--- a/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_template_format_response_body_for_content_types/post.pyi
+++ b/samples/openapi3/client/3_0_3_unit_test/python/unit_test_api/paths/response_body_post_uri_template_format_response_body_for_content_types/post.pyi
@@ -86,6 +86,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _post_uri_template_format_response_body_for_content_types_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -163,6 +164,7 @@ class PostUriTemplateFormatResponseBodyForContentTypes(BaseApi):
     @typing.overload
     def post_uri_template_format_response_body_for_content_types(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -212,6 +214,7 @@ class ApiForpost(BaseApi):
     @typing.overload
     def post(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/custom/get.py b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/custom/get.py
index 593d61673a10..50aed72b00ae 100644
--- a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/custom/get.py
+++ b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/custom/get.py
@@ -120,6 +120,7 @@ def _custom_server_oapg(
     @typing.overload
     def _custom_server_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         host_index: typing.Optional[int] = None,
         stream: bool = False,
@@ -205,6 +206,7 @@ def custom_server(
     @typing.overload
     def custom_server(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         host_index: typing.Optional[int] = None,
         stream: bool = False,
@@ -259,6 +261,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         host_index: typing.Optional[int] = None,
         stream: bool = False,
diff --git a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/custom/get.pyi b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/custom/get.pyi
index 1fd19d9ea6d2..4f9da96c6c83 100644
--- a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/custom/get.pyi
+++ b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/custom/get.pyi
@@ -65,6 +65,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _custom_server_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         host_index: typing.Optional[int] = None,
         stream: bool = False,
@@ -150,6 +151,7 @@ class CustomServer(BaseApi):
     @typing.overload
     def custom_server(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         host_index: typing.Optional[int] = None,
         stream: bool = False,
@@ -204,6 +206,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         host_index: typing.Optional[int] = None,
         stream: bool = False,
diff --git a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/default/get.py b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/default/get.py
index a4e2fdce47dc..07a1cc5e2217 100644
--- a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/default/get.py
+++ b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/default/get.py
@@ -69,6 +69,7 @@ def _default_server_oapg(
     @typing.overload
     def _default_server_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -147,6 +148,7 @@ def default_server(
     @typing.overload
     def default_server(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -196,6 +198,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/default/get.pyi b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/default/get.pyi
index 89e925ed40e4..193aadbce290 100644
--- a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/default/get.pyi
+++ b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/paths/default/get.pyi
@@ -64,6 +64,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _default_server_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -142,6 +143,7 @@ class DefaultServer(BaseApi):
     @typing.overload
     def default_server(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -191,6 +193,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/.openapi-generator/FILES b/samples/openapi3/client/petstore/python/.openapi-generator/FILES
index f805094f7eb4..24d52d4e13aa 100644
--- a/samples/openapi3/client/petstore/python/.openapi-generator/FILES
+++ b/samples/openapi3/client/petstore/python/.openapi-generator/FILES
@@ -97,10 +97,12 @@ docs/models/NumberOnly.md
 docs/models/NumberWithValidations.md
 docs/models/ObjectInterface.md
 docs/models/ObjectModelWithRefProps.md
+docs/models/ObjectWithAllOfWithReqTestPropFromUnsetAddProp.md
 docs/models/ObjectWithDecimalProperties.md
 docs/models/ObjectWithDifficultlyNamedProps.md
 docs/models/ObjectWithInlineCompositionProperty.md
 docs/models/ObjectWithInvalidNamedRefedProperties.md
+docs/models/ObjectWithOptionalTestProp.md
 docs/models/ObjectWithValidations.md
 docs/models/Order.md
 docs/models/ParentPet.md
@@ -318,6 +320,8 @@ petstore_api/model/object_interface.py
 petstore_api/model/object_interface.pyi
 petstore_api/model/object_model_with_ref_props.py
 petstore_api/model/object_model_with_ref_props.pyi
+petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.py
+petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.pyi
 petstore_api/model/object_with_decimal_properties.py
 petstore_api/model/object_with_decimal_properties.pyi
 petstore_api/model/object_with_difficultly_named_props.py
@@ -326,6 +330,8 @@ petstore_api/model/object_with_inline_composition_property.py
 petstore_api/model/object_with_inline_composition_property.pyi
 petstore_api/model/object_with_invalid_named_refed_properties.py
 petstore_api/model/object_with_invalid_named_refed_properties.pyi
+petstore_api/model/object_with_optional_test_prop.py
+petstore_api/model/object_with_optional_test_prop.pyi
 petstore_api/model/object_with_validations.py
 petstore_api/model/object_with_validations.pyi
 petstore_api/model/order.py
diff --git a/samples/openapi3/client/petstore/python/README.md b/samples/openapi3/client/petstore/python/README.md
index 7c9d0509b743..ca7562b37e7c 100644
--- a/samples/openapi3/client/petstore/python/README.md
+++ b/samples/openapi3/client/petstore/python/README.md
@@ -319,10 +319,12 @@ Class | Method | HTTP request | Description
  - [NumberWithValidations](docs/models/NumberWithValidations.md)
  - [ObjectInterface](docs/models/ObjectInterface.md)
  - [ObjectModelWithRefProps](docs/models/ObjectModelWithRefProps.md)
+ - [ObjectWithAllOfWithReqTestPropFromUnsetAddProp](docs/models/ObjectWithAllOfWithReqTestPropFromUnsetAddProp.md)
  - [ObjectWithDecimalProperties](docs/models/ObjectWithDecimalProperties.md)
  - [ObjectWithDifficultlyNamedProps](docs/models/ObjectWithDifficultlyNamedProps.md)
  - [ObjectWithInlineCompositionProperty](docs/models/ObjectWithInlineCompositionProperty.md)
  - [ObjectWithInvalidNamedRefedProperties](docs/models/ObjectWithInvalidNamedRefedProperties.md)
+ - [ObjectWithOptionalTestProp](docs/models/ObjectWithOptionalTestProp.md)
  - [ObjectWithValidations](docs/models/ObjectWithValidations.md)
  - [Order](docs/models/Order.md)
  - [ParentPet](docs/models/ParentPet.md)
diff --git a/samples/openapi3/client/petstore/python/docs/models/ObjectWithAllOfWithReqTestPropFromUnsetAddProp.md b/samples/openapi3/client/petstore/python/docs/models/ObjectWithAllOfWithReqTestPropFromUnsetAddProp.md
new file mode 100644
index 000000000000..6c4f1033e0e7
--- /dev/null
+++ b/samples/openapi3/client/petstore/python/docs/models/ObjectWithAllOfWithReqTestPropFromUnsetAddProp.md
@@ -0,0 +1,30 @@
+# petstore_api.model.object_with_all_of_with_req_test_prop_from_unset_add_prop.ObjectWithAllOfWithReqTestPropFromUnsetAddProp
+
+## Model Type Info
+Input Type | Accessed Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, bool, None, list, tuple, bytes, io.FileIO, io.BufferedReader,  | frozendict.frozendict, str, decimal.Decimal, BoolClass, NoneClass, tuple, bytes, FileIO |  | 
+
+### Composed Schemas (allOf/anyOf/oneOf/not)
+#### allOf
+Class Name | Input Type | Accessed Type | Description | Notes
+------------- | ------------- | ------------- | ------------- | -------------
+[ObjectWithOptionalTestProp](ObjectWithOptionalTestProp.md) | [**ObjectWithOptionalTestProp**](ObjectWithOptionalTestProp.md) | [**ObjectWithOptionalTestProp**](ObjectWithOptionalTestProp.md) |  | 
+[all_of_1](#all_of_1) | dict, frozendict.frozendict,  | frozendict.frozendict,  |  | 
+
+# all_of_1
+
+## Model Type Info
+Input Type | Accessed Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+dict, frozendict.frozendict,  | frozendict.frozendict,  |  | 
+
+### Dictionary Keys
+Key | Input Type | Accessed Type | Description | Notes
+------------ | ------------- | ------------- | ------------- | -------------
+**test** | dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, bool, None, list, tuple, bytes, io.FileIO, io.BufferedReader,  | frozendict.frozendict, str, decimal.Decimal, BoolClass, NoneClass, tuple, bytes, FileIO |  | 
+**name** | str,  | str,  |  | [optional] 
+**any_string_name** | dict, frozendict.frozendict, str, date, datetime, int, float, bool, decimal.Decimal, None, list, tuple, bytes, io.FileIO, io.BufferedReader | frozendict.frozendict, str, BoolClass, decimal.Decimal, NoneClass, tuple, bytes, FileIO | any string name can be used but the value must be the correct type | [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/openapi3/client/petstore/python/docs/models/ObjectWithOptionalTestProp.md b/samples/openapi3/client/petstore/python/docs/models/ObjectWithOptionalTestProp.md
new file mode 100644
index 000000000000..2f437c22d07b
--- /dev/null
+++ b/samples/openapi3/client/petstore/python/docs/models/ObjectWithOptionalTestProp.md
@@ -0,0 +1,15 @@
+# petstore_api.model.object_with_optional_test_prop.ObjectWithOptionalTestProp
+
+## Model Type Info
+Input Type | Accessed Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+dict, frozendict.frozendict,  | frozendict.frozendict,  |  | 
+
+### Dictionary Keys
+Key | Input Type | Accessed Type | Description | Notes
+------------ | ------------- | ------------- | ------------- | -------------
+**test** | str,  | str,  |  | [optional] 
+**any_string_name** | dict, frozendict.frozendict, str, date, datetime, int, float, bool, decimal.Decimal, None, list, tuple, bytes, io.FileIO, io.BufferedReader | frozendict.frozendict, str, BoolClass, decimal.Decimal, NoneClass, tuple, bytes, FileIO | any string name can be used but the value must be the correct type | [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/openapi3/client/petstore/python/petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.py b/samples/openapi3/client/petstore/python/petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.py
new file mode 100644
index 000000000000..beef11f65563
--- /dev/null
+++ b/samples/openapi3/client/petstore/python/petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.py
@@ -0,0 +1,124 @@
+# coding: utf-8
+
+"""
+    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: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+from datetime import date, datetime  # noqa: F401
+import decimal  # noqa: F401
+import functools  # noqa: F401
+import io  # noqa: F401
+import re  # noqa: F401
+import typing  # noqa: F401
+import typing_extensions  # noqa: F401
+import uuid  # noqa: F401
+
+import frozendict  # noqa: F401
+
+from petstore_api import schemas  # noqa: F401
+
+
+class ObjectWithAllOfWithReqTestPropFromUnsetAddProp(
+    schemas.ComposedSchema,
+):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+
+    class MetaOapg:
+        
+        
+        class all_of_1(
+            schemas.DictSchema
+        ):
+        
+        
+            class MetaOapg:
+                required = {
+                    "test",
+                }
+                
+                class properties:
+                    name = schemas.StrSchema
+                    __annotations__ = {
+                        "name": name,
+                    }
+            
+            test: schemas.AnyTypeSchema
+            
+            @typing.overload
+            def __getitem__(self, name: typing_extensions.Literal["name"]) -> MetaOapg.properties.name: ...
+            
+            @typing.overload
+            def __getitem__(self, name: str) -> schemas.UnsetAnyTypeSchema: ...
+            
+            def __getitem__(self, name: typing.Union[typing_extensions.Literal["name", ], str]):
+                # dict_instance[name] accessor
+                return super().__getitem__(name)
+            
+            
+            @typing.overload
+            def get_item_oapg(self, name: typing_extensions.Literal["name"]) -> typing.Union[MetaOapg.properties.name, schemas.Unset]: ...
+            
+            @typing.overload
+            def get_item_oapg(self, name: str) -> typing.Union[schemas.UnsetAnyTypeSchema, schemas.Unset]: ...
+            
+            def get_item_oapg(self, name: typing.Union[typing_extensions.Literal["name", ], str]):
+                return super().get_item_oapg(name)
+            
+        
+            def __new__(
+                cls,
+                *args: typing.Union[dict, frozendict.frozendict, ],
+                test: typing.Union[schemas.AnyTypeSchema, dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, bool, None, list, tuple, bytes, io.FileIO, io.BufferedReader, ],
+                name: typing.Union[MetaOapg.properties.name, str, schemas.Unset] = schemas.unset,
+                _configuration: typing.Optional[schemas.Configuration] = None,
+                **kwargs: typing.Union[schemas.AnyTypeSchema, dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, None, list, tuple, bytes],
+            ) -> 'all_of_1':
+                return super().__new__(
+                    cls,
+                    *args,
+                    test=test,
+                    name=name,
+                    _configuration=_configuration,
+                    **kwargs,
+                )
+        
+        @classmethod
+        @functools.lru_cache()
+        def all_of(cls):
+            # we need this here to make our import statements work
+            # we must store _composed_schemas in here so the code is only run
+            # when we invoke this method. If we kept this at the class
+            # level we would get an error because the class level
+            # code would be run when this module is imported, and these composed
+            # classes don't exist yet because their module has not finished
+            # loading
+            return [
+                ObjectWithOptionalTestProp,
+                cls.all_of_1,
+            ]
+
+
+    def __new__(
+        cls,
+        *args: typing.Union[dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, bool, None, list, tuple, bytes, io.FileIO, io.BufferedReader, ],
+        _configuration: typing.Optional[schemas.Configuration] = None,
+        **kwargs: typing.Union[schemas.AnyTypeSchema, dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, None, list, tuple, bytes],
+    ) -> 'ObjectWithAllOfWithReqTestPropFromUnsetAddProp':
+        return super().__new__(
+            cls,
+            *args,
+            _configuration=_configuration,
+            **kwargs,
+        )
+
+from petstore_api.model.object_with_optional_test_prop import ObjectWithOptionalTestProp
diff --git a/samples/openapi3/client/petstore/python/petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.pyi b/samples/openapi3/client/petstore/python/petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.pyi
new file mode 100644
index 000000000000..beef11f65563
--- /dev/null
+++ b/samples/openapi3/client/petstore/python/petstore_api/model/object_with_all_of_with_req_test_prop_from_unset_add_prop.pyi
@@ -0,0 +1,124 @@
+# coding: utf-8
+
+"""
+    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: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+from datetime import date, datetime  # noqa: F401
+import decimal  # noqa: F401
+import functools  # noqa: F401
+import io  # noqa: F401
+import re  # noqa: F401
+import typing  # noqa: F401
+import typing_extensions  # noqa: F401
+import uuid  # noqa: F401
+
+import frozendict  # noqa: F401
+
+from petstore_api import schemas  # noqa: F401
+
+
+class ObjectWithAllOfWithReqTestPropFromUnsetAddProp(
+    schemas.ComposedSchema,
+):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+
+    class MetaOapg:
+        
+        
+        class all_of_1(
+            schemas.DictSchema
+        ):
+        
+        
+            class MetaOapg:
+                required = {
+                    "test",
+                }
+                
+                class properties:
+                    name = schemas.StrSchema
+                    __annotations__ = {
+                        "name": name,
+                    }
+            
+            test: schemas.AnyTypeSchema
+            
+            @typing.overload
+            def __getitem__(self, name: typing_extensions.Literal["name"]) -> MetaOapg.properties.name: ...
+            
+            @typing.overload
+            def __getitem__(self, name: str) -> schemas.UnsetAnyTypeSchema: ...
+            
+            def __getitem__(self, name: typing.Union[typing_extensions.Literal["name", ], str]):
+                # dict_instance[name] accessor
+                return super().__getitem__(name)
+            
+            
+            @typing.overload
+            def get_item_oapg(self, name: typing_extensions.Literal["name"]) -> typing.Union[MetaOapg.properties.name, schemas.Unset]: ...
+            
+            @typing.overload
+            def get_item_oapg(self, name: str) -> typing.Union[schemas.UnsetAnyTypeSchema, schemas.Unset]: ...
+            
+            def get_item_oapg(self, name: typing.Union[typing_extensions.Literal["name", ], str]):
+                return super().get_item_oapg(name)
+            
+        
+            def __new__(
+                cls,
+                *args: typing.Union[dict, frozendict.frozendict, ],
+                test: typing.Union[schemas.AnyTypeSchema, dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, bool, None, list, tuple, bytes, io.FileIO, io.BufferedReader, ],
+                name: typing.Union[MetaOapg.properties.name, str, schemas.Unset] = schemas.unset,
+                _configuration: typing.Optional[schemas.Configuration] = None,
+                **kwargs: typing.Union[schemas.AnyTypeSchema, dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, None, list, tuple, bytes],
+            ) -> 'all_of_1':
+                return super().__new__(
+                    cls,
+                    *args,
+                    test=test,
+                    name=name,
+                    _configuration=_configuration,
+                    **kwargs,
+                )
+        
+        @classmethod
+        @functools.lru_cache()
+        def all_of(cls):
+            # we need this here to make our import statements work
+            # we must store _composed_schemas in here so the code is only run
+            # when we invoke this method. If we kept this at the class
+            # level we would get an error because the class level
+            # code would be run when this module is imported, and these composed
+            # classes don't exist yet because their module has not finished
+            # loading
+            return [
+                ObjectWithOptionalTestProp,
+                cls.all_of_1,
+            ]
+
+
+    def __new__(
+        cls,
+        *args: typing.Union[dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, bool, None, list, tuple, bytes, io.FileIO, io.BufferedReader, ],
+        _configuration: typing.Optional[schemas.Configuration] = None,
+        **kwargs: typing.Union[schemas.AnyTypeSchema, dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, None, list, tuple, bytes],
+    ) -> 'ObjectWithAllOfWithReqTestPropFromUnsetAddProp':
+        return super().__new__(
+            cls,
+            *args,
+            _configuration=_configuration,
+            **kwargs,
+        )
+
+from petstore_api.model.object_with_optional_test_prop import ObjectWithOptionalTestProp
diff --git a/samples/openapi3/client/petstore/python/petstore_api/model/object_with_optional_test_prop.py b/samples/openapi3/client/petstore/python/petstore_api/model/object_with_optional_test_prop.py
new file mode 100644
index 000000000000..07cae57d4c28
--- /dev/null
+++ b/samples/openapi3/client/petstore/python/petstore_api/model/object_with_optional_test_prop.py
@@ -0,0 +1,78 @@
+# coding: utf-8
+
+"""
+    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: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+from datetime import date, datetime  # noqa: F401
+import decimal  # noqa: F401
+import functools  # noqa: F401
+import io  # noqa: F401
+import re  # noqa: F401
+import typing  # noqa: F401
+import typing_extensions  # noqa: F401
+import uuid  # noqa: F401
+
+import frozendict  # noqa: F401
+
+from petstore_api import schemas  # noqa: F401
+
+
+class ObjectWithOptionalTestProp(
+    schemas.DictSchema
+):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+
+    class MetaOapg:
+        
+        class properties:
+            test = schemas.StrSchema
+            __annotations__ = {
+                "test": test,
+            }
+    
+    @typing.overload
+    def __getitem__(self, name: typing_extensions.Literal["test"]) -> MetaOapg.properties.test: ...
+    
+    @typing.overload
+    def __getitem__(self, name: str) -> schemas.UnsetAnyTypeSchema: ...
+    
+    def __getitem__(self, name: typing.Union[typing_extensions.Literal["test", ], str]):
+        # dict_instance[name] accessor
+        return super().__getitem__(name)
+    
+    
+    @typing.overload
+    def get_item_oapg(self, name: typing_extensions.Literal["test"]) -> typing.Union[MetaOapg.properties.test, schemas.Unset]: ...
+    
+    @typing.overload
+    def get_item_oapg(self, name: str) -> typing.Union[schemas.UnsetAnyTypeSchema, schemas.Unset]: ...
+    
+    def get_item_oapg(self, name: typing.Union[typing_extensions.Literal["test", ], str]):
+        return super().get_item_oapg(name)
+    
+
+    def __new__(
+        cls,
+        *args: typing.Union[dict, frozendict.frozendict, ],
+        test: typing.Union[MetaOapg.properties.test, str, schemas.Unset] = schemas.unset,
+        _configuration: typing.Optional[schemas.Configuration] = None,
+        **kwargs: typing.Union[schemas.AnyTypeSchema, dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, None, list, tuple, bytes],
+    ) -> 'ObjectWithOptionalTestProp':
+        return super().__new__(
+            cls,
+            *args,
+            test=test,
+            _configuration=_configuration,
+            **kwargs,
+        )
diff --git a/samples/openapi3/client/petstore/python/petstore_api/model/object_with_optional_test_prop.pyi b/samples/openapi3/client/petstore/python/petstore_api/model/object_with_optional_test_prop.pyi
new file mode 100644
index 000000000000..07cae57d4c28
--- /dev/null
+++ b/samples/openapi3/client/petstore/python/petstore_api/model/object_with_optional_test_prop.pyi
@@ -0,0 +1,78 @@
+# coding: utf-8
+
+"""
+    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: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+from datetime import date, datetime  # noqa: F401
+import decimal  # noqa: F401
+import functools  # noqa: F401
+import io  # noqa: F401
+import re  # noqa: F401
+import typing  # noqa: F401
+import typing_extensions  # noqa: F401
+import uuid  # noqa: F401
+
+import frozendict  # noqa: F401
+
+from petstore_api import schemas  # noqa: F401
+
+
+class ObjectWithOptionalTestProp(
+    schemas.DictSchema
+):
+    """NOTE: This class is auto generated by OpenAPI Generator.
+    Ref: https://openapi-generator.tech
+
+    Do not edit the class manually.
+    """
+
+
+    class MetaOapg:
+        
+        class properties:
+            test = schemas.StrSchema
+            __annotations__ = {
+                "test": test,
+            }
+    
+    @typing.overload
+    def __getitem__(self, name: typing_extensions.Literal["test"]) -> MetaOapg.properties.test: ...
+    
+    @typing.overload
+    def __getitem__(self, name: str) -> schemas.UnsetAnyTypeSchema: ...
+    
+    def __getitem__(self, name: typing.Union[typing_extensions.Literal["test", ], str]):
+        # dict_instance[name] accessor
+        return super().__getitem__(name)
+    
+    
+    @typing.overload
+    def get_item_oapg(self, name: typing_extensions.Literal["test"]) -> typing.Union[MetaOapg.properties.test, schemas.Unset]: ...
+    
+    @typing.overload
+    def get_item_oapg(self, name: str) -> typing.Union[schemas.UnsetAnyTypeSchema, schemas.Unset]: ...
+    
+    def get_item_oapg(self, name: typing.Union[typing_extensions.Literal["test", ], str]):
+        return super().get_item_oapg(name)
+    
+
+    def __new__(
+        cls,
+        *args: typing.Union[dict, frozendict.frozendict, ],
+        test: typing.Union[MetaOapg.properties.test, str, schemas.Unset] = schemas.unset,
+        _configuration: typing.Optional[schemas.Configuration] = None,
+        **kwargs: typing.Union[schemas.AnyTypeSchema, dict, frozendict.frozendict, str, date, datetime, uuid.UUID, int, float, decimal.Decimal, None, list, tuple, bytes],
+    ) -> 'ObjectWithOptionalTestProp':
+        return super().__new__(
+            cls,
+            *args,
+            test=test,
+            _configuration=_configuration,
+            **kwargs,
+        )
diff --git a/samples/openapi3/client/petstore/python/petstore_api/models/__init__.py b/samples/openapi3/client/petstore/python/petstore_api/models/__init__.py
index a3f42957f901..92305b81c139 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/models/__init__.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/models/__init__.py
@@ -99,10 +99,12 @@
 from petstore_api.model.number_with_validations import NumberWithValidations
 from petstore_api.model.object_interface import ObjectInterface
 from petstore_api.model.object_model_with_ref_props import ObjectModelWithRefProps
+from petstore_api.model.object_with_all_of_with_req_test_prop_from_unset_add_prop import ObjectWithAllOfWithReqTestPropFromUnsetAddProp
 from petstore_api.model.object_with_decimal_properties import ObjectWithDecimalProperties
 from petstore_api.model.object_with_difficultly_named_props import ObjectWithDifficultlyNamedProps
 from petstore_api.model.object_with_inline_composition_property import ObjectWithInlineCompositionProperty
 from petstore_api.model.object_with_invalid_named_refed_properties import ObjectWithInvalidNamedRefedProperties
+from petstore_api.model.object_with_optional_test_prop import ObjectWithOptionalTestProp
 from petstore_api.model.object_with_validations import ObjectWithValidations
 from petstore_api.model.order import Order
 from petstore_api.model.parent_pet import ParentPet
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake/delete.py b/samples/openapi3/client/petstore/python/petstore_api/paths/fake/delete.py
index 17e3ac65599c..9803516eec2b 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake/delete.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake/delete.py
@@ -148,6 +148,7 @@ def _group_parameters_oapg(
     @typing.overload
     def _group_parameters_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         header_params: RequestHeaderParams = frozendict.frozendict(),
         stream: bool = False,
@@ -255,6 +256,7 @@ def group_parameters(
     @typing.overload
     def group_parameters(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         header_params: RequestHeaderParams = frozendict.frozendict(),
         stream: bool = False,
@@ -309,6 +311,7 @@ def delete(
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         header_params: RequestHeaderParams = frozendict.frozendict(),
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake/delete.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/fake/delete.pyi
index c88235a26403..1bb21445f6f6 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake/delete.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake/delete.pyi
@@ -140,6 +140,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _group_parameters_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         header_params: RequestHeaderParams = frozendict.frozendict(),
         stream: bool = False,
@@ -247,6 +248,7 @@ class GroupParameters(BaseApi):
     @typing.overload
     def group_parameters(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         header_params: RequestHeaderParams = frozendict.frozendict(),
         stream: bool = False,
@@ -301,6 +303,7 @@ class ApiFordelete(BaseApi):
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         header_params: RequestHeaderParams = frozendict.frozendict(),
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_case_sensitive_params/put.py b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_case_sensitive_params/put.py
index 971de7cf96c2..766073175bfe 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_case_sensitive_params/put.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_case_sensitive_params/put.py
@@ -103,6 +103,7 @@ def _case_sensitive_params_oapg(
     @typing.overload
     def _case_sensitive_params_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -190,6 +191,7 @@ def case_sensitive_params(
     @typing.overload
     def case_sensitive_params(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -239,6 +241,7 @@ def put(
     @typing.overload
     def put(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_case_sensitive_params/put.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_case_sensitive_params/put.pyi
index 69c3adfb971c..c5cab8398987 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_case_sensitive_params/put.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_case_sensitive_params/put.pyi
@@ -98,6 +98,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _case_sensitive_params_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -185,6 +186,7 @@ class CaseSensitiveParams(BaseApi):
     @typing.overload
     def case_sensitive_params(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -234,6 +236,7 @@ class ApiForput(BaseApi):
     @typing.overload
     def put(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_delete_coffee_id/delete.py b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_delete_coffee_id/delete.py
index 6aeab76eac68..4d74087f3bd7 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_delete_coffee_id/delete.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_delete_coffee_id/delete.py
@@ -98,6 +98,7 @@ def _delete_coffee_oapg(
     @typing.overload
     def _delete_coffee_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -190,6 +191,7 @@ def delete_coffee(
     @typing.overload
     def delete_coffee(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -241,6 +243,7 @@ def delete(
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_delete_coffee_id/delete.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_delete_coffee_id/delete.pyi
index 7a0240795e9e..a63211d2c05b 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_delete_coffee_id/delete.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_delete_coffee_id/delete.pyi
@@ -92,6 +92,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _delete_coffee_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -184,6 +185,7 @@ class DeleteCoffee(BaseApi):
     @typing.overload
     def delete_coffee(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -235,6 +237,7 @@ class ApiFordelete(BaseApi):
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_health/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_health/get.py
index f3ebfb0b65ba..448891337f19 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_health/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_health/get.py
@@ -71,6 +71,7 @@ def _fake_health_get_oapg(
     @typing.overload
     def _fake_health_get_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -149,6 +150,7 @@ def fake_health_get(
     @typing.overload
     def fake_health_get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -198,6 +200,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_health/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_health/get.pyi
index f63161e2d2cd..5782ac9c7e7c 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_health/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_health/get.pyi
@@ -66,6 +66,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _fake_health_get_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -144,6 +145,7 @@ class FakeHealthGet(BaseApi):
     @typing.overload
     def fake_health_get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -193,6 +195,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_obj_in_query/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_obj_in_query/get.py
index 60e361c9b367..035b7c3bd980 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_obj_in_query/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_obj_in_query/get.py
@@ -133,6 +133,7 @@ def _object_in_query_oapg(
     @typing.overload
     def _object_in_query_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -219,6 +220,7 @@ def object_in_query(
     @typing.overload
     def object_in_query(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -268,6 +270,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_obj_in_query/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_obj_in_query/get.pyi
index f6bcadc02c7c..ddfcbed62178 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_obj_in_query/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_obj_in_query/get.pyi
@@ -128,6 +128,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _object_in_query_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -214,6 +215,7 @@ class ObjectInQuery(BaseApi):
     @typing.overload
     def object_in_query(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -263,6 +265,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_query_param_with_json_content_type/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_query_param_with_json_content_type/get.py
index 6c26877167ae..c829e40dd2d6 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_query_param_with_json_content_type/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_query_param_with_json_content_type/get.py
@@ -97,6 +97,7 @@ def _query_param_with_json_content_type_oapg(
     @typing.overload
     def _query_param_with_json_content_type_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -193,6 +194,7 @@ def query_param_with_json_content_type(
     @typing.overload
     def query_param_with_json_content_type(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -247,6 +249,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_query_param_with_json_content_type/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_query_param_with_json_content_type/get.pyi
index 9d042a631fe7..ccf449dcfdd2 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_query_param_with_json_content_type/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_query_param_with_json_content_type/get.pyi
@@ -92,6 +92,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _query_param_with_json_content_type_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -188,6 +189,7 @@ class QueryParamWithJsonContentType(BaseApi):
     @typing.overload
     def query_param_with_json_content_type(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -242,6 +244,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_ref_obj_in_query/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_ref_obj_in_query/get.py
index adf889558607..6a5556eb380c 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_ref_obj_in_query/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_ref_obj_in_query/get.py
@@ -86,6 +86,7 @@ def _ref_object_in_query_oapg(
     @typing.overload
     def _ref_object_in_query_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -172,6 +173,7 @@ def ref_object_in_query(
     @typing.overload
     def ref_object_in_query(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -221,6 +223,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_ref_obj_in_query/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_ref_obj_in_query/get.pyi
index 8c34a1274902..70a37a3ac110 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_ref_obj_in_query/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_ref_obj_in_query/get.pyi
@@ -81,6 +81,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _ref_object_in_query_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -167,6 +168,7 @@ class RefObjectInQuery(BaseApi):
     @typing.overload
     def ref_object_in_query(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -216,6 +218,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_response_without_schema/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_response_without_schema/get.py
index f286d0d05aa1..f62d1360ba0d 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_response_without_schema/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_response_without_schema/get.py
@@ -70,6 +70,7 @@ def _response_without_schema_oapg(
     @typing.overload
     def _response_without_schema_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -148,6 +149,7 @@ def response_without_schema(
     @typing.overload
     def response_without_schema(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -197,6 +199,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_response_without_schema/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_response_without_schema/get.pyi
index e562a50173d3..ecb63bdc8e25 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_response_without_schema/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_response_without_schema/get.pyi
@@ -65,6 +65,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _response_without_schema_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -143,6 +144,7 @@ class ResponseWithoutSchema(BaseApi):
     @typing.overload
     def response_without_schema(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -192,6 +194,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_test_query_paramters/put.py b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_test_query_paramters/put.py
index 760ceea2cefa..1384c49ad157 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_test_query_paramters/put.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_test_query_paramters/put.py
@@ -239,6 +239,7 @@ def _query_parameter_collection_format_oapg(
     @typing.overload
     def _query_parameter_collection_format_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -329,6 +330,7 @@ def query_parameter_collection_format(
     @typing.overload
     def query_parameter_collection_format(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -378,6 +380,7 @@ def put(
     @typing.overload
     def put(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_test_query_paramters/put.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_test_query_paramters/put.pyi
index 7923932d1315..230c45c3ae12 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/fake_test_query_paramters/put.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/fake_test_query_paramters/put.pyi
@@ -234,6 +234,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _query_parameter_collection_format_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -324,6 +325,7 @@ class QueryParameterCollectionFormat(BaseApi):
     @typing.overload
     def query_parameter_collection_format(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -373,6 +375,7 @@ class ApiForput(BaseApi):
     @typing.overload
     def put(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/foo/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/foo/get.py
index bde734e75818..e2d1fda9cf5e 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/foo/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/foo/get.py
@@ -123,6 +123,7 @@ def _foo_get_oapg(
     @typing.overload
     def _foo_get_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -204,6 +205,7 @@ def foo_get(
     @typing.overload
     def foo_get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -253,6 +255,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/foo/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/foo/get.pyi
index 4c5f088f788f..9cfee5e76d17 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/foo/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/foo/get.pyi
@@ -118,6 +118,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _foo_get_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -199,6 +200,7 @@ class FooGet(BaseApi):
     @typing.overload
     def foo_get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -248,6 +250,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_status/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_status/get.py
index bca423ad68f2..5b753a5bb5da 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_status/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_status/get.py
@@ -217,6 +217,7 @@ def _find_pets_by_status_oapg(
     @typing.overload
     def _find_pets_by_status_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -314,6 +315,7 @@ def find_pets_by_status(
     @typing.overload
     def find_pets_by_status(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -368,6 +370,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_status/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_status/get.pyi
index e19a8036737d..59b71f5fc190 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_status/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_status/get.pyi
@@ -199,6 +199,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _find_pets_by_status_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -296,6 +297,7 @@ class FindPetsByStatus(BaseApi):
     @typing.overload
     def find_pets_by_status(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -350,6 +352,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_tags/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_tags/get.py
index 982aeb15c29b..4725d356cf47 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_tags/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_tags/get.py
@@ -192,6 +192,7 @@ def _find_pets_by_tags_oapg(
     @typing.overload
     def _find_pets_by_tags_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -289,6 +290,7 @@ def find_pets_by_tags(
     @typing.overload
     def find_pets_by_tags(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -343,6 +345,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_tags/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_tags/get.pyi
index c48153b2ffa6..e512a26f01a6 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_tags/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_find_by_tags/get.pyi
@@ -182,6 +182,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _find_pets_by_tags_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -279,6 +280,7 @@ class FindPetsByTags(BaseApi):
     @typing.overload
     def find_pets_by_tags(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -333,6 +335,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/delete.py b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/delete.py
index ae048dfccc97..3651dff1d3b1 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/delete.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/delete.py
@@ -111,6 +111,7 @@ def _delete_pet_oapg(
     @typing.overload
     def _delete_pet_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         header_params: RequestHeaderParams = frozendict.frozendict(),
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
@@ -210,6 +211,7 @@ def delete_pet(
     @typing.overload
     def delete_pet(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         header_params: RequestHeaderParams = frozendict.frozendict(),
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
@@ -260,6 +262,7 @@ def delete(
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         header_params: RequestHeaderParams = frozendict.frozendict(),
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/delete.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/delete.pyi
index 2a56be3473c3..eb9bc416c006 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/delete.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/delete.pyi
@@ -103,6 +103,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _delete_pet_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         header_params: RequestHeaderParams = frozendict.frozendict(),
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
@@ -202,6 +203,7 @@ class DeletePet(BaseApi):
     @typing.overload
     def delete_pet(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         header_params: RequestHeaderParams = frozendict.frozendict(),
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
@@ -252,6 +254,7 @@ class ApiFordelete(BaseApi):
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         header_params: RequestHeaderParams = frozendict.frozendict(),
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/get.py
index b170ee448559..9dc1735114e1 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/get.py
@@ -132,6 +132,7 @@ def _get_pet_by_id_oapg(
     @typing.overload
     def _get_pet_by_id_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -229,6 +230,7 @@ def get_pet_by_id(
     @typing.overload
     def get_pet_by_id(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -283,6 +285,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/get.pyi
index 4ed83baee2b5..5ae107f32424 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/pet_pet_id/get.pyi
@@ -122,6 +122,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _get_pet_by_id_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -219,6 +220,7 @@ class GetPetById(BaseApi):
     @typing.overload
     def get_pet_by_id(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -273,6 +275,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/store_inventory/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/store_inventory/get.py
index 4f9f0eb1f7ae..56ed16e1cc81 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/store_inventory/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/store_inventory/get.py
@@ -100,6 +100,7 @@ def _get_inventory_oapg(
     @typing.overload
     def _get_inventory_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -179,6 +180,7 @@ def get_inventory(
     @typing.overload
     def get_inventory(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -228,6 +230,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/store_inventory/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/store_inventory/get.pyi
index 30d769a9d314..b2eb524a8e22 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/store_inventory/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/store_inventory/get.pyi
@@ -92,6 +92,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _get_inventory_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -171,6 +172,7 @@ class GetInventory(BaseApi):
     @typing.overload
     def get_inventory(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -220,6 +222,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/delete.py b/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/delete.py
index 65f49c91e496..2e2edd945d71 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/delete.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/delete.py
@@ -94,6 +94,7 @@ def _delete_order_oapg(
     @typing.overload
     def _delete_order_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -176,6 +177,7 @@ def delete_order(
     @typing.overload
     def delete_order(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -221,6 +223,7 @@ def delete(
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/delete.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/delete.pyi
index 74af6d4a61f2..6eefe3953d14 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/delete.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/delete.pyi
@@ -88,6 +88,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _delete_order_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -170,6 +171,7 @@ class DeleteOrder(BaseApi):
     @typing.overload
     def delete_order(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -215,6 +217,7 @@ class ApiFordelete(BaseApi):
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/get.py
index 9c920df2a9d1..8c52441cf1ef 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/get.py
@@ -139,6 +139,7 @@ def _get_order_by_id_oapg(
     @typing.overload
     def _get_order_by_id_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -235,6 +236,7 @@ def get_order_by_id(
     @typing.overload
     def get_order_by_id(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -289,6 +291,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/get.pyi
index a421c4ab4a2a..a4e2735912c5 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/store_order_order_id/get.pyi
@@ -127,6 +127,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _get_order_by_id_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -223,6 +224,7 @@ class GetOrderById(BaseApi):
     @typing.overload
     def get_order_by_id(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -277,6 +279,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/user_login/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/user_login/get.py
index acbe1ccb1d92..0d963a9eb280 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/user_login/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/user_login/get.py
@@ -147,6 +147,7 @@ def _login_user_oapg(
     @typing.overload
     def _login_user_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -244,6 +245,7 @@ def login_user(
     @typing.overload
     def login_user(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -298,6 +300,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/user_login/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/user_login/get.pyi
index 651fb8afc47f..3fb920a0c0e9 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/user_login/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/user_login/get.pyi
@@ -131,6 +131,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _login_user_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -228,6 +229,7 @@ class LoginUser(BaseApi):
     @typing.overload
     def login_user(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -282,6 +284,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         query_params: RequestQueryParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/user_logout/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/user_logout/get.py
index 085a4ba6750b..0814ac97f9fe 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/user_logout/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/user_logout/get.py
@@ -57,6 +57,7 @@ def _logout_user_oapg(
     @typing.overload
     def _logout_user_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
     ) -> api_client.ApiResponseWithoutDeserialization: ...
@@ -129,6 +130,7 @@ def logout_user(
     @typing.overload
     def logout_user(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
     ) -> api_client.ApiResponseWithoutDeserialization: ...
@@ -173,6 +175,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
     ) -> api_client.ApiResponseWithoutDeserialization: ...
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/user_logout/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/user_logout/get.pyi
index 52192b640683..302df64884f6 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/user_logout/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/user_logout/get.pyi
@@ -52,6 +52,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _logout_user_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
     ) -> api_client.ApiResponseWithoutDeserialization: ...
@@ -124,6 +125,7 @@ class LogoutUser(BaseApi):
     @typing.overload
     def logout_user(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
     ) -> api_client.ApiResponseWithoutDeserialization: ...
@@ -168,6 +170,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
     ) -> api_client.ApiResponseWithoutDeserialization: ...
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/delete.py b/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/delete.py
index 1fbeabb72472..769252ca8da9 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/delete.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/delete.py
@@ -97,6 +97,7 @@ def _delete_user_oapg(
     @typing.overload
     def _delete_user_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -183,6 +184,7 @@ def delete_user(
     @typing.overload
     def delete_user(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -232,6 +234,7 @@ def delete(
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/delete.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/delete.pyi
index 3bc4ec391e81..3240953717fd 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/delete.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/delete.pyi
@@ -91,6 +91,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _delete_user_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -177,6 +178,7 @@ class DeleteUser(BaseApi):
     @typing.overload
     def delete_user(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
@@ -226,6 +228,7 @@ class ApiFordelete(BaseApi):
     @typing.overload
     def delete(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         stream: bool = False,
         timeout: typing.Optional[typing.Union[int, typing.Tuple]] = None,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/get.py b/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/get.py
index a75bc873e13e..9ee437ce7939 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/get.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/get.py
@@ -129,6 +129,7 @@ def _get_user_by_name_oapg(
     @typing.overload
     def _get_user_by_name_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -225,6 +226,7 @@ def get_user_by_name(
     @typing.overload
     def get_user_by_name(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -279,6 +281,7 @@ def get(
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/get.pyi b/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/get.pyi
index 60b333602a38..63e188e6ce6d 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/get.pyi
+++ b/samples/openapi3/client/petstore/python/petstore_api/paths/user_username/get.pyi
@@ -122,6 +122,7 @@ class BaseApi(api_client.Api):
     @typing.overload
     def _get_user_by_name_oapg(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -218,6 +219,7 @@ class GetUserByName(BaseApi):
     @typing.overload
     def get_user_by_name(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
@@ -272,6 +274,7 @@ class ApiForget(BaseApi):
     @typing.overload
     def get(
         self,
+        skip_deserialization: typing_extensions.Literal[True],
         path_params: RequestPathParams = frozendict.frozendict(),
         accept_content_types: typing.Tuple[str] = _all_accept_content_types,
         stream: bool = False,
diff --git a/samples/openapi3/client/petstore/python/test/test_models/test_object_with_all_of_with_req_test_prop_from_unset_add_prop.py b/samples/openapi3/client/petstore/python/test/test_models/test_object_with_all_of_with_req_test_prop_from_unset_add_prop.py
new file mode 100644
index 000000000000..7f9078b4d72f
--- /dev/null
+++ b/samples/openapi3/client/petstore/python/test/test_models/test_object_with_all_of_with_req_test_prop_from_unset_add_prop.py
@@ -0,0 +1,25 @@
+# coding: utf-8
+
+"""
+    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: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+import unittest
+
+import petstore_api
+from petstore_api.model.object_with_all_of_with_req_test_prop_from_unset_add_prop import ObjectWithAllOfWithReqTestPropFromUnsetAddProp
+from petstore_api import configuration
+
+
+class TestObjectWithAllOfWithReqTestPropFromUnsetAddProp(unittest.TestCase):
+    """ObjectWithAllOfWithReqTestPropFromUnsetAddProp unit test stubs"""
+    _configuration = configuration.Configuration()
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/samples/openapi3/client/petstore/python/test/test_models/test_object_with_optional_test_prop.py b/samples/openapi3/client/petstore/python/test/test_models/test_object_with_optional_test_prop.py
new file mode 100644
index 000000000000..fbd21e71b9f0
--- /dev/null
+++ b/samples/openapi3/client/petstore/python/test/test_models/test_object_with_optional_test_prop.py
@@ -0,0 +1,25 @@
+# coding: utf-8
+
+"""
+    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: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+import unittest
+
+import petstore_api
+from petstore_api.model.object_with_optional_test_prop import ObjectWithOptionalTestProp
+from petstore_api import configuration
+
+
+class TestObjectWithOptionalTestProp(unittest.TestCase):
+    """ObjectWithOptionalTestProp unit test stubs"""
+    _configuration = configuration.Configuration()
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/samples/openapi3/client/petstore/python/tests_manual/test_object_with_all_of_with_req_test_prop_from_unset_add_prop.py b/samples/openapi3/client/petstore/python/tests_manual/test_object_with_all_of_with_req_test_prop_from_unset_add_prop.py
new file mode 100644
index 000000000000..5146c241eb65
--- /dev/null
+++ b/samples/openapi3/client/petstore/python/tests_manual/test_object_with_all_of_with_req_test_prop_from_unset_add_prop.py
@@ -0,0 +1,34 @@
+# coding: utf-8
+
+"""
+    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: \" \\  # noqa: E501
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+import unittest
+
+import petstore_api
+from petstore_api.model.object_with_all_of_with_req_test_prop_from_unset_add_prop import ObjectWithAllOfWithReqTestPropFromUnsetAddProp
+from petstore_api import configuration
+
+
+class TestObjectWithAllOfWithReqTestPropFromUnsetAddProp(unittest.TestCase):
+    """ObjectWithAllOfWithReqTestPropFromUnsetAddProp unit test stubs"""
+
+    def test_model_instantiation(self):
+        inst = ObjectWithAllOfWithReqTestPropFromUnsetAddProp(
+            test='a'
+        )
+        assert inst == {'test': 'a'}
+
+        # without the required test property an execption is thrown
+        with self.assertRaises(petstore_api.exceptions.ApiTypeError):
+            ObjectWithAllOfWithReqTestPropFromUnsetAddProp(
+                name='a'
+            )
+
+
+if __name__ == '__main__':
+    unittest.main()
\ No newline at end of file