text: # 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, AsyncIterable, Callable, Dict, Generic, Optional, TypeVar
  import warnings
  
  from azure.core.async_paging import AsyncItemPaged, AsyncList
  from azure.core.exceptions import ClientAuthenticationError, HttpResponseError, ResourceExistsError, ResourceNotFoundError, map_error
  from azure.core.pipeline import PipelineResponse
  from azure.core.pipeline.transport import AsyncHttpResponse, HttpRequest
  from azure.mgmt.core.exceptions import ARMErrorFormat
  
  from ... import models as _models
  
  T = TypeVar('T')
  ClsType = Optional[Callable[[PipelineResponse[HttpRequest, AsyncHttpResponse], T, Dict[str, Any]], Any]]
  
  class Operations:
      """Operations async 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.maintenance.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) -> None:
          self._client = client
          self._serialize = serializer
          self._deserialize = deserializer
          self._config = config
  
      def list(
          self,
          **kwargs
      ) -> AsyncIterable["_models.OperationsListResult"]:
          """List available operations.
  
          List the available operations supported by the Microsoft.Maintenance resource provider.
  
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: An iterator like instance of either OperationsListResult or the result of cls(response)
          :rtype: ~azure.core.async_paging.AsyncItemPaged[~azure.mgmt.maintenance.models.OperationsListResult]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.OperationsListResult"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2021-04-01-preview"
          accept = "application/json"
  
          def prepare_request(next_link=None):
              # Construct headers
              header_parameters = {}  # type: Dict[str, Any]
              header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
              if not next_link:
                  # Construct URL
                  url = self.list.metadata['url']  # type: ignore
                  # Construct parameters
                  query_parameters = {}  # type: Dict[str, Any]
                  query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
                  request = self._client.get(url, query_parameters, header_parameters)
              else:
                  url = next_link
                  query_parameters = {}  # type: Dict[str, Any]
                  request = self._client.get(url, query_parameters, header_parameters)
              return request
  
          async def extract_data(pipeline_response):
              deserialized = self._deserialize('OperationsListResult', pipeline_response)
              list_of_elem = deserialized.value
              if cls:
                  list_of_elem = cls(list_of_elem)
              return None, AsyncList(list_of_elem)
  
          async def get_next(next_link=None):
              request = prepare_request(next_link)
  
              pipeline_response = await self._client._pipeline.run(request, stream=False, **kwargs)
              response = pipeline_response.http_response
  
              if response.status_code not in [200]:
                  error = self._deserialize.failsafe_deserialize(_models.MaintenanceError, response)
                  map_error(status_code=response.status_code, response=response, error_map=error_map)
                  raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)
  
              return pipeline_response
  
          return AsyncItemPaged(
              get_next, extract_data
          )
      list.metadata = {'url': '/providers/Microsoft.Maintenance/operations'}  # type: ignore
  