text: # pylint: disable=too-many-lines
  # coding=utf-8
  # --------------------------------------------------------------------------
  # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License. See License.txt in the project root for license information.
  # Code generated by Microsoft (R) AutoRest Code Generator.
  # Changes may cause incorrect behavior and will be lost if the code is regenerated.
  # --------------------------------------------------------------------------
  from typing import Any, Callable, Dict, Iterable, Optional, TypeVar, Union
  
  from msrest import Serializer
  
  from azure.core.exceptions import ClientAuthenticationError, HttpResponseError, ResourceExistsError, ResourceNotFoundError, map_error
  from azure.core.paging import ItemPaged
  from azure.core.pipeline import PipelineResponse
  from azure.core.pipeline.transport import HttpResponse
  from azure.core.polling import LROPoller, NoPolling, PollingMethod
  from azure.core.rest import HttpRequest
  from azure.core.tracing.decorator import distributed_trace
  from azure.mgmt.core.exceptions import ARMErrorFormat
  from azure.mgmt.core.polling.arm_polling import ARMPolling
  
  from .. import models as _models
  from .._vendor import _convert_request, _format_url_section
  T = TypeVar('T')
  JSONType = Any
  ClsType = Optional[Callable[[PipelineResponse[HttpRequest, HttpResponse], T, Dict[str, Any]], Any]]
  
  _SERIALIZER = Serializer()
  _SERIALIZER.client_side_validation = False
  
  def build_create_or_update_request_initial(
      resource_group_name: str,
      vm_scale_set_name: str,
      vmss_extension_name: str,
      subscription_id: str,
      *,
      json: JSONType = None,
      content: Any = None,
      **kwargs: Any
  ) -> HttpRequest:
      api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
      content_type = kwargs.pop('content_type', None)  # type: Optional[str]
  
      accept = "application/json"
      # Construct URL
      _url = kwargs.pop("template_url", "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}")  # pylint: disable=line-too-long
      path_format_arguments = {
          "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
          "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
          "vmssExtensionName": _SERIALIZER.url("vmss_extension_name", vmss_extension_name, 'str'),
          "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
      }
  
      _url = _format_url_section(_url, **path_format_arguments)
  
      # Construct parameters
      _query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
      _query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')
  
      # Construct headers
      _header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
      if content_type is not None:
          _header_parameters['Content-Type'] = _SERIALIZER.header("content_type", content_type, 'str')
      _header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')
  
      return HttpRequest(
          method="PUT",
          url=_url,
          params=_query_parameters,
          headers=_header_parameters,
          json=json,
          content=content,
          **kwargs
      )
  
  
  def build_update_request_initial(
      resource_group_name: str,
      vm_scale_set_name: str,
      vmss_extension_name: str,
      subscription_id: str,
      *,
      json: JSONType = None,
      content: Any = None,
      **kwargs: Any
  ) -> HttpRequest:
      api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
      content_type = kwargs.pop('content_type', None)  # type: Optional[str]
  
      accept = "application/json"
      # Construct URL
      _url = kwargs.pop("template_url", "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}")  # pylint: disable=line-too-long
      path_format_arguments = {
          "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
          "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
          "vmssExtensionName": _SERIALIZER.url("vmss_extension_name", vmss_extension_name, 'str'),
          "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
      }
  
      _url = _format_url_section(_url, **path_format_arguments)
  
      # Construct parameters
      _query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
      _query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')
  
      # Construct headers
      _header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
      if content_type is not None:
          _header_parameters['Content-Type'] = _SERIALIZER.header("content_type", content_type, 'str')
      _header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')
  
      return HttpRequest(
          method="PATCH",
          url=_url,
          params=_query_parameters,
          headers=_header_parameters,
          json=json,
          content=content,
          **kwargs
      )
  
  
  def build_delete_request_initial(
      resource_group_name: str,
      vm_scale_set_name: str,
      vmss_extension_name: str,
      subscription_id: str,
      **kwargs: Any
  ) -> HttpRequest:
      api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
  
      # Construct URL
      _url = kwargs.pop("template_url", "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}")  # pylint: disable=line-too-long
      path_format_arguments = {
          "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
          "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
          "vmssExtensionName": _SERIALIZER.url("vmss_extension_name", vmss_extension_name, 'str'),
          "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
      }
  
      _url = _format_url_section(_url, **path_format_arguments)
  
      # Construct parameters
      _query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
      _query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')
  
      return HttpRequest(
          method="DELETE",
          url=_url,
          params=_query_parameters,
          **kwargs
      )
  
  
  def build_get_request(
      resource_group_name: str,
      vm_scale_set_name: str,
      vmss_extension_name: str,
      subscription_id: str,
      *,
      expand: Optional[str] = None,
      **kwargs: Any
  ) -> HttpRequest:
      api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
  
      accept = "application/json"
      # Construct URL
      _url = kwargs.pop("template_url", "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}")  # pylint: disable=line-too-long
      path_format_arguments = {
          "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
          "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
          "vmssExtensionName": _SERIALIZER.url("vmss_extension_name", vmss_extension_name, 'str'),
          "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
      }
  
      _url = _format_url_section(_url, **path_format_arguments)
  
      # Construct parameters
      _query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
      if expand is not None:
          _query_parameters['$expand'] = _SERIALIZER.query("expand", expand, 'str')
      _query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')
  
      # Construct headers
      _header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
      _header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')
  
      return HttpRequest(
          method="GET",
          url=_url,
          params=_query_parameters,
          headers=_header_parameters,
          **kwargs
      )
  
  
  def build_list_request(
      resource_group_name: str,
      vm_scale_set_name: str,
      subscription_id: str,
      **kwargs: Any
  ) -> HttpRequest:
      api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
  
      accept = "application/json"
      # Construct URL
      _url = kwargs.pop("template_url", "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions")  # pylint: disable=line-too-long
      path_format_arguments = {
          "resourceGroupName": _SERIALIZER.url("resource_group_name", resource_group_name, 'str'),
          "vmScaleSetName": _SERIALIZER.url("vm_scale_set_name", vm_scale_set_name, 'str'),
          "subscriptionId": _SERIALIZER.url("subscription_id", subscription_id, 'str'),
      }
  
      _url = _format_url_section(_url, **path_format_arguments)
  
      # Construct parameters
      _query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
      _query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')
  
      # Construct headers
      _header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
      _header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')
  
      return HttpRequest(
          method="GET",
          url=_url,
          params=_query_parameters,
          headers=_header_parameters,
          **kwargs
      )
  
  class VirtualMachineScaleSetExtensionsOperations(object):
      """VirtualMachineScaleSetExtensionsOperations operations.
  
      You should not instantiate this class directly. Instead, you should create a Client instance that
      instantiates it for you and attaches it as an attribute.
  
      :ivar models: Alias to model classes used in this operation group.
      :type models: ~azure.mgmt.compute.v2020_12_01.models
      :param client: Client for service requests.
      :param config: Configuration of service client.
      :param serializer: An object model serializer.
      :param deserializer: An object model deserializer.
      """
  
      models = _models
  
      def __init__(self, client, config, serializer, deserializer):
          self._client = client
          self._serialize = serializer
          self._deserialize = deserializer
          self._config = config
  
      def _create_or_update_initial(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          vmss_extension_name: str,
          extension_parameters: "_models.VirtualMachineScaleSetExtension",
          **kwargs: Any
      ) -> "_models.VirtualMachineScaleSetExtension":
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetExtension"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
  
          api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
          content_type = kwargs.pop('content_type', "application/json")  # type: Optional[str]
  
          _json = self._serialize.body(extension_parameters, 'VirtualMachineScaleSetExtension')
  
          request = build_create_or_update_request_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              vmss_extension_name=vmss_extension_name,
              subscription_id=self._config.subscription_id,
              api_version=api_version,
              content_type=content_type,
              json=_json,
              template_url=self._create_or_update_initial.metadata['url'],
          )
          request = _convert_request(request)
          request.url = self._client.format_url(request.url)
  
          pipeline_response = self._client._pipeline.run(  # pylint: disable=protected-access
              request,
              stream=False,
              **kwargs
          )
          response = pipeline_response.http_response
  
          if response.status_code not in [200, 201]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          if response.status_code == 200:
              deserialized = self._deserialize('VirtualMachineScaleSetExtension', pipeline_response)
  
          if response.status_code == 201:
              deserialized = self._deserialize('VirtualMachineScaleSetExtension', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
  
      _create_or_update_initial.metadata = {'url': "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}"}  # type: ignore
  
  
      @distributed_trace
      def begin_create_or_update(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          vmss_extension_name: str,
          extension_parameters: "_models.VirtualMachineScaleSetExtension",
          **kwargs: Any
      ) -> LROPoller["_models.VirtualMachineScaleSetExtension"]:
          """The operation to create or update an extension.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set where the extension should be create or
           updated.
          :type vm_scale_set_name: str
          :param vmss_extension_name: The name of the VM scale set extension.
          :type vmss_extension_name: str
          :param extension_parameters: Parameters supplied to the Create VM scale set Extension
           operation.
          :type extension_parameters:
           ~azure.mgmt.compute.v2020_12_01.models.VirtualMachineScaleSetExtension
          :keyword callable cls: A custom type or function that will be passed the direct response
          :keyword str continuation_token: A continuation token to restart a poller from a saved state.
          :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
           operation to not poll, or pass in your own initialized polling object for a personal polling
           strategy.
          :paramtype polling: bool or ~azure.core.polling.PollingMethod
          :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
           Retry-After header is present.
          :return: An instance of LROPoller that returns either VirtualMachineScaleSetExtension or the
           result of cls(response)
          :rtype:
           ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2020_12_01.models.VirtualMachineScaleSetExtension]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
          content_type = kwargs.pop('content_type', "application/json")  # type: Optional[str]
          polling = kwargs.pop('polling', True)  # type: Union[bool, PollingMethod]
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetExtension"]
          lro_delay = kwargs.pop(
              'polling_interval',
              self._config.polling_interval
          )
          cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
          if cont_token is None:
              raw_result = self._create_or_update_initial(
                  resource_group_name=resource_group_name,
                  vm_scale_set_name=vm_scale_set_name,
                  vmss_extension_name=vmss_extension_name,
                  extension_parameters=extension_parameters,
                  api_version=api_version,
                  content_type=content_type,
                  cls=lambda x,y,z: x,
                  **kwargs
              )
          kwargs.pop('error_map', None)
  
          def get_long_running_output(pipeline_response):
              response = pipeline_response.http_response
              deserialized = self._deserialize('VirtualMachineScaleSetExtension', pipeline_response)
              if cls:
                  return cls(pipeline_response, deserialized, {})
              return deserialized
  
  
          if polling is True: polling_method = ARMPolling(lro_delay, **kwargs)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          if cont_token:
              return LROPoller.from_continuation_token(
                  polling_method=polling_method,
                  continuation_token=cont_token,
                  client=self._client,
                  deserialization_callback=get_long_running_output
              )
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
  
      begin_create_or_update.metadata = {'url': "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}"}  # type: ignore
  
      def _update_initial(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          vmss_extension_name: str,
          extension_parameters: "_models.VirtualMachineScaleSetExtensionUpdate",
          **kwargs: Any
      ) -> "_models.VirtualMachineScaleSetExtension":
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetExtension"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
  
          api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
          content_type = kwargs.pop('content_type', "application/json")  # type: Optional[str]
  
          _json = self._serialize.body(extension_parameters, 'VirtualMachineScaleSetExtensionUpdate')
  
          request = build_update_request_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              vmss_extension_name=vmss_extension_name,
              subscription_id=self._config.subscription_id,
              api_version=api_version,
              content_type=content_type,
              json=_json,
              template_url=self._update_initial.metadata['url'],
          )
          request = _convert_request(request)
          request.url = self._client.format_url(request.url)
  
          pipeline_response = self._client._pipeline.run(  # pylint: disable=protected-access
              request,
              stream=False,
              **kwargs
          )
          response = pipeline_response.http_response
  
          if response.status_code not in [200, 201]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          if response.status_code == 200:
              deserialized = self._deserialize('VirtualMachineScaleSetExtension', pipeline_response)
  
          if response.status_code == 201:
              deserialized = self._deserialize('VirtualMachineScaleSetExtension', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
  
      _update_initial.metadata = {'url': "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}"}  # type: ignore
  
  
      @distributed_trace
      def begin_update(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          vmss_extension_name: str,
          extension_parameters: "_models.VirtualMachineScaleSetExtensionUpdate",
          **kwargs: Any
      ) -> LROPoller["_models.VirtualMachineScaleSetExtension"]:
          """The operation to update an extension.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set where the extension should be updated.
          :type vm_scale_set_name: str
          :param vmss_extension_name: The name of the VM scale set extension.
          :type vmss_extension_name: str
          :param extension_parameters: Parameters supplied to the Update VM scale set Extension
           operation.
          :type extension_parameters:
           ~azure.mgmt.compute.v2020_12_01.models.VirtualMachineScaleSetExtensionUpdate
          :keyword callable cls: A custom type or function that will be passed the direct response
          :keyword str continuation_token: A continuation token to restart a poller from a saved state.
          :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
           operation to not poll, or pass in your own initialized polling object for a personal polling
           strategy.
          :paramtype polling: bool or ~azure.core.polling.PollingMethod
          :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
           Retry-After header is present.
          :return: An instance of LROPoller that returns either VirtualMachineScaleSetExtension or the
           result of cls(response)
          :rtype:
           ~azure.core.polling.LROPoller[~azure.mgmt.compute.v2020_12_01.models.VirtualMachineScaleSetExtension]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
          content_type = kwargs.pop('content_type', "application/json")  # type: Optional[str]
          polling = kwargs.pop('polling', True)  # type: Union[bool, PollingMethod]
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetExtension"]
          lro_delay = kwargs.pop(
              'polling_interval',
              self._config.polling_interval
          )
          cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
          if cont_token is None:
              raw_result = self._update_initial(
                  resource_group_name=resource_group_name,
                  vm_scale_set_name=vm_scale_set_name,
                  vmss_extension_name=vmss_extension_name,
                  extension_parameters=extension_parameters,
                  api_version=api_version,
                  content_type=content_type,
                  cls=lambda x,y,z: x,
                  **kwargs
              )
          kwargs.pop('error_map', None)
  
          def get_long_running_output(pipeline_response):
              response = pipeline_response.http_response
              deserialized = self._deserialize('VirtualMachineScaleSetExtension', pipeline_response)
              if cls:
                  return cls(pipeline_response, deserialized, {})
              return deserialized
  
  
          if polling is True: polling_method = ARMPolling(lro_delay, **kwargs)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          if cont_token:
              return LROPoller.from_continuation_token(
                  polling_method=polling_method,
                  continuation_token=cont_token,
                  client=self._client,
                  deserialization_callback=get_long_running_output
              )
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
  
      begin_update.metadata = {'url': "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}"}  # type: ignore
  
      def _delete_initial(  # pylint: disable=inconsistent-return-statements
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          vmss_extension_name: str,
          **kwargs: Any
      ) -> None:
          cls = kwargs.pop('cls', None)  # type: ClsType[None]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
  
          api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
  
          
          request = build_delete_request_initial(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              vmss_extension_name=vmss_extension_name,
              subscription_id=self._config.subscription_id,
              api_version=api_version,
              template_url=self._delete_initial.metadata['url'],
          )
          request = _convert_request(request)
          request.url = self._client.format_url(request.url)
  
          pipeline_response = self._client._pipeline.run(  # pylint: disable=protected-access
              request,
              stream=False,
              **kwargs
          )
          response = pipeline_response.http_response
  
          if response.status_code not in [200, 202, 204]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          if cls:
              return cls(pipeline_response, None, {})
  
      _delete_initial.metadata = {'url': "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}"}  # type: ignore
  
  
      @distributed_trace
      def begin_delete(  # pylint: disable=inconsistent-return-statements
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          vmss_extension_name: str,
          **kwargs: Any
      ) -> LROPoller[None]:
          """The operation to delete the extension.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set where the extension should be deleted.
          :type vm_scale_set_name: str
          :param vmss_extension_name: The name of the VM scale set extension.
          :type vmss_extension_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :keyword str continuation_token: A continuation token to restart a poller from a saved state.
          :keyword polling: By default, your polling method will be ARMPolling. Pass in False for this
           operation to not poll, or pass in your own initialized polling object for a personal polling
           strategy.
          :paramtype polling: bool or ~azure.core.polling.PollingMethod
          :keyword int polling_interval: Default waiting time between two polls for LRO operations if no
           Retry-After header is present.
          :return: An instance of LROPoller that returns either None or the result of cls(response)
          :rtype: ~azure.core.polling.LROPoller[None]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
          polling = kwargs.pop('polling', True)  # type: Union[bool, PollingMethod]
          cls = kwargs.pop('cls', None)  # type: ClsType[None]
          lro_delay = kwargs.pop(
              'polling_interval',
              self._config.polling_interval
          )
          cont_token = kwargs.pop('continuation_token', None)  # type: Optional[str]
          if cont_token is None:
              raw_result = self._delete_initial(
                  resource_group_name=resource_group_name,
                  vm_scale_set_name=vm_scale_set_name,
                  vmss_extension_name=vmss_extension_name,
                  api_version=api_version,
                  cls=lambda x,y,z: x,
                  **kwargs
              )
          kwargs.pop('error_map', None)
  
          def get_long_running_output(pipeline_response):
              if cls:
                  return cls(pipeline_response, None, {})
  
  
          if polling is True: polling_method = ARMPolling(lro_delay, **kwargs)
          elif polling is False: polling_method = NoPolling()
          else: polling_method = polling
          if cont_token:
              return LROPoller.from_continuation_token(
                  polling_method=polling_method,
                  continuation_token=cont_token,
                  client=self._client,
                  deserialization_callback=get_long_running_output
              )
          return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
  
      begin_delete.metadata = {'url': "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}"}  # type: ignore
  
      @distributed_trace
      def get(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          vmss_extension_name: str,
          expand: Optional[str] = None,
          **kwargs: Any
      ) -> "_models.VirtualMachineScaleSetExtension":
          """The operation to get the extension.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set containing the extension.
          :type vm_scale_set_name: str
          :param vmss_extension_name: The name of the VM scale set extension.
          :type vmss_extension_name: str
          :param expand: The expand expression to apply on the operation. Default value is None.
          :type expand: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: VirtualMachineScaleSetExtension, or the result of cls(response)
          :rtype: ~azure.mgmt.compute.v2020_12_01.models.VirtualMachineScaleSetExtension
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetExtension"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
  
          api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
  
          
          request = build_get_request(
              resource_group_name=resource_group_name,
              vm_scale_set_name=vm_scale_set_name,
              vmss_extension_name=vmss_extension_name,
              subscription_id=self._config.subscription_id,
              api_version=api_version,
              expand=expand,
              template_url=self.get.metadata['url'],
          )
          request = _convert_request(request)
          request.url = self._client.format_url(request.url)
  
          pipeline_response = self._client._pipeline.run(  # pylint: disable=protected-access
              request,
              stream=False,
              **kwargs
          )
          response = pipeline_response.http_response
  
          if response.status_code not in [200]:
              map_error(status_code=response.status_code, response=response, error_map=error_map)
              raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
          deserialized = self._deserialize('VirtualMachineScaleSetExtension', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
  
      get.metadata = {'url': "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions/{vmssExtensionName}"}  # type: ignore
  
  
      @distributed_trace
      def list(
          self,
          resource_group_name: str,
          vm_scale_set_name: str,
          **kwargs: Any
      ) -> Iterable["_models.VirtualMachineScaleSetExtensionListResult"]:
          """Gets a list of all extensions in a VM scale set.
  
          :param resource_group_name: The name of the resource group.
          :type resource_group_name: str
          :param vm_scale_set_name: The name of the VM scale set containing the extension.
          :type vm_scale_set_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: An iterator like instance of either VirtualMachineScaleSetExtensionListResult or the
           result of cls(response)
          :rtype:
           ~azure.core.paging.ItemPaged[~azure.mgmt.compute.v2020_12_01.models.VirtualMachineScaleSetExtensionListResult]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          api_version = kwargs.pop('api_version', "2020-12-01")  # type: str
  
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.VirtualMachineScaleSetExtensionListResult"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          def prepare_request(next_link=None):
              if not next_link:
                  
                  request = build_list_request(
                      resource_group_name=resource_group_name,
                      vm_scale_set_name=vm_scale_set_name,
                      subscription_id=self._config.subscription_id,
                      api_version=api_version,
                      template_url=self.list.metadata['url'],
                  )
                  request = _convert_request(request)
                  request.url = self._client.format_url(request.url)
  
              else:
                  
                  request = build_list_request(
                      resource_group_name=resource_group_name,
                      vm_scale_set_name=vm_scale_set_name,
                      subscription_id=self._config.subscription_id,
                      api_version=api_version,
                      template_url=next_link,
                  )
                  request = _convert_request(request)
                  request.url = self._client.format_url(request.url)
                  request.method = "GET"
              return request
  
          def extract_data(pipeline_response):
              deserialized = self._deserialize("VirtualMachineScaleSetExtensionListResult", pipeline_response)
              list_of_elem = deserialized.value
              if cls:
                  list_of_elem = cls(list_of_elem)
              return deserialized.next_link or None, iter(list_of_elem)
  
          def get_next(next_link=None):
              request = prepare_request(next_link)
  
              pipeline_response = self._client._pipeline.run(  # pylint: disable=protected-access
                  request,
                  stream=False,
                  **kwargs
              )
              response = pipeline_response.http_response
  
              if response.status_code not in [200]:
                  map_error(status_code=response.status_code, response=response, error_map=error_map)
                  raise HttpResponseError(response=response, error_format=ARMErrorFormat)
  
              return pipeline_response
  
  
          return ItemPaged(
              get_next, extract_data
          )
      list.metadata = {'url': "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachineScaleSets/{vmScaleSetName}/extensions"}  # type: ignore
  