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 TYPE_CHECKING
  import warnings
  
  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 HttpRequest, HttpResponse
  from azure.mgmt.core.exceptions import ARMErrorFormat
  
  from .. import models as _models
  
  if TYPE_CHECKING:
      # pylint: disable=unused-import,ungrouped-imports
      from typing import Any, Callable, Dict, Generic, Iterable, Optional, TypeVar
  
      T = TypeVar('T')
      ClsType = Optional[Callable[[PipelineResponse[HttpRequest, HttpResponse], T, Dict[str, Any]], Any]]
  
  class DisasterRecoveryConfigsOperations(object):
      """DisasterRecoveryConfigsOperations 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.servicebus.v2021_06_01_preview.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 check_name_availability(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          parameters,  # type: "_models.CheckNameAvailability"
          **kwargs  # type: Any
      ):
          # type: (...) -> "_models.CheckNameAvailabilityResult"
          """Check the give namespace name availability.
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :param parameters: Parameters to check availability of the given namespace name.
          :type parameters: ~azure.mgmt.servicebus.v2021_06_01_preview.models.CheckNameAvailability
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: CheckNameAvailabilityResult, or the result of cls(response)
          :rtype: ~azure.mgmt.servicebus.v2021_06_01_preview.models.CheckNameAvailabilityResult
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.CheckNameAvailabilityResult"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2021-06-01-preview"
          content_type = kwargs.pop("content_type", "application/json")
          accept = "application/json"
  
          # Construct URL
          url = self.check_name_availability.metadata['url']  # type: ignore
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
              'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
              'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Content-Type'] = self._serialize.header("content_type", content_type, 'str')
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          body_content_kwargs = {}  # type: Dict[str, Any]
          body_content = self._serialize.body(parameters, 'CheckNameAvailability')
          body_content_kwargs['content'] = body_content
          request = self._client.post(url, query_parameters, header_parameters, **body_content_kwargs)
          pipeline_response = self._client._pipeline.run(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)
              error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
              raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)
  
          deserialized = self._deserialize('CheckNameAvailabilityResult', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      check_name_availability.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs/CheckNameAvailability'}  # type: ignore
  
      def list(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          **kwargs  # type: Any
      ):
          # type: (...) -> Iterable["_models.ArmDisasterRecoveryListResult"]
          """Gets all Alias(Disaster Recovery configurations).
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: An iterator like instance of either ArmDisasterRecoveryListResult or the result of cls(response)
          :rtype: ~azure.core.paging.ItemPaged[~azure.mgmt.servicebus.v2021_06_01_preview.models.ArmDisasterRecoveryListResult]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.ArmDisasterRecoveryListResult"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2021-06-01-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
                  path_format_arguments = {
                      'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
                      'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
                      'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
                  }
                  url = self._client.format_url(url, **path_format_arguments)
                  # 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
  
          def extract_data(pipeline_response):
              deserialized = self._deserialize('ArmDisasterRecoveryListResult', 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(request, stream=False, **kwargs)
              response = pipeline_response.http_response
  
              if response.status_code not in [200]:
                  error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, 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 ItemPaged(
              get_next, extract_data
          )
      list.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs'}  # type: ignore
  
      def create_or_update(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          alias,  # type: str
          parameters,  # type: "_models.ArmDisasterRecovery"
          **kwargs  # type: Any
      ):
          # type: (...) -> Optional["_models.ArmDisasterRecovery"]
          """Creates or updates a new Alias(Disaster Recovery configuration).
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :param alias: The Disaster Recovery configuration name.
          :type alias: str
          :param parameters: Parameters required to create an Alias(Disaster Recovery configuration).
          :type parameters: ~azure.mgmt.servicebus.v2021_06_01_preview.models.ArmDisasterRecovery
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: ArmDisasterRecovery, or the result of cls(response)
          :rtype: ~azure.mgmt.servicebus.v2021_06_01_preview.models.ArmDisasterRecovery or None
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.ArmDisasterRecovery"]]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2021-06-01-preview"
          content_type = kwargs.pop("content_type", "application/json")
          accept = "application/json"
  
          # Construct URL
          url = self.create_or_update.metadata['url']  # type: ignore
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
              'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
              'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
              'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Content-Type'] = self._serialize.header("content_type", content_type, 'str')
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          body_content_kwargs = {}  # type: Dict[str, Any]
          body_content = self._serialize.body(parameters, 'ArmDisasterRecovery')
          body_content_kwargs['content'] = body_content
          request = self._client.put(url, query_parameters, header_parameters, **body_content_kwargs)
          pipeline_response = self._client._pipeline.run(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)
              error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
              raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)
  
          deserialized = None
          if response.status_code == 200:
              deserialized = self._deserialize('ArmDisasterRecovery', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      create_or_update.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}'}  # type: ignore
  
      def delete(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          alias,  # type: str
          **kwargs  # type: Any
      ):
          # type: (...) -> None
          """Deletes an Alias(Disaster Recovery configuration).
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :param alias: The Disaster Recovery configuration name.
          :type alias: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: None, or the result of cls(response)
          :rtype: None
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          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 = "2021-06-01-preview"
          accept = "application/json"
  
          # Construct URL
          url = self.delete.metadata['url']  # type: ignore
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
              'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
              'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
              'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          request = self._client.delete(url, query_parameters, header_parameters)
          pipeline_response = self._client._pipeline.run(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)
              error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
              raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)
  
          if cls:
              return cls(pipeline_response, None, {})
  
      delete.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}'}  # type: ignore
  
      def get(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          alias,  # type: str
          **kwargs  # type: Any
      ):
          # type: (...) -> "_models.ArmDisasterRecovery"
          """Retrieves Alias(Disaster Recovery configuration) for primary or secondary namespace.
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :param alias: The Disaster Recovery configuration name.
          :type alias: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: ArmDisasterRecovery, or the result of cls(response)
          :rtype: ~azure.mgmt.servicebus.v2021_06_01_preview.models.ArmDisasterRecovery
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.ArmDisasterRecovery"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2021-06-01-preview"
          accept = "application/json"
  
          # Construct URL
          url = self.get.metadata['url']  # type: ignore
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
              'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
              'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
              'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          request = self._client.get(url, query_parameters, header_parameters)
          pipeline_response = self._client._pipeline.run(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)
              error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
              raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)
  
          deserialized = self._deserialize('ArmDisasterRecovery', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      get.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}'}  # type: ignore
  
      def break_pairing(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          alias,  # type: str
          **kwargs  # type: Any
      ):
          # type: (...) -> None
          """This operation disables the Disaster Recovery and stops replicating changes from primary to
          secondary namespaces.
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :param alias: The Disaster Recovery configuration name.
          :type alias: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: None, or the result of cls(response)
          :rtype: None
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          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 = "2021-06-01-preview"
          accept = "application/json"
  
          # Construct URL
          url = self.break_pairing.metadata['url']  # type: ignore
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
              'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
              'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
              'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          request = self._client.post(url, query_parameters, header_parameters)
          pipeline_response = self._client._pipeline.run(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)
              error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
              raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)
  
          if cls:
              return cls(pipeline_response, None, {})
  
      break_pairing.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/breakPairing'}  # type: ignore
  
      def fail_over(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          alias,  # type: str
          parameters=None,  # type: Optional["_models.FailoverProperties"]
          **kwargs  # type: Any
      ):
          # type: (...) -> None
          """Invokes GEO DR failover and reconfigure the alias to point to the secondary namespace.
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :param alias: The Disaster Recovery configuration name.
          :type alias: str
          :param parameters: Parameters required to create an Alias(Disaster Recovery configuration).
          :type parameters: ~azure.mgmt.servicebus.v2021_06_01_preview.models.FailoverProperties
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: None, or the result of cls(response)
          :rtype: None
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          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 = "2021-06-01-preview"
          content_type = kwargs.pop("content_type", "application/json")
          accept = "application/json"
  
          # Construct URL
          url = self.fail_over.metadata['url']  # type: ignore
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
              'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
              'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
              'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Content-Type'] = self._serialize.header("content_type", content_type, 'str')
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          body_content_kwargs = {}  # type: Dict[str, Any]
          if parameters is not None:
              body_content = self._serialize.body(parameters, 'FailoverProperties')
          else:
              body_content = None
          body_content_kwargs['content'] = body_content
          request = self._client.post(url, query_parameters, header_parameters, **body_content_kwargs)
          pipeline_response = self._client._pipeline.run(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)
              error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
              raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)
  
          if cls:
              return cls(pipeline_response, None, {})
  
      fail_over.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/failover'}  # type: ignore
  
      def list_authorization_rules(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          alias,  # type: str
          **kwargs  # type: Any
      ):
          # type: (...) -> Iterable["_models.SBAuthorizationRuleListResult"]
          """Gets the authorization rules for a namespace.
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :param alias: The Disaster Recovery configuration name.
          :type alias: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: An iterator like instance of either SBAuthorizationRuleListResult or the result of cls(response)
          :rtype: ~azure.core.paging.ItemPaged[~azure.mgmt.servicebus.v2021_06_01_preview.models.SBAuthorizationRuleListResult]
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.SBAuthorizationRuleListResult"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2021-06-01-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_authorization_rules.metadata['url']  # type: ignore
                  path_format_arguments = {
                      'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
                      'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
                      'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
                      'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
                  }
                  url = self._client.format_url(url, **path_format_arguments)
                  # 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
  
          def extract_data(pipeline_response):
              deserialized = self._deserialize('SBAuthorizationRuleListResult', 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(request, stream=False, **kwargs)
              response = pipeline_response.http_response
  
              if response.status_code not in [200]:
                  error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, 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 ItemPaged(
              get_next, extract_data
          )
      list_authorization_rules.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/authorizationRules'}  # type: ignore
  
      def get_authorization_rule(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          alias,  # type: str
          authorization_rule_name,  # type: str
          **kwargs  # type: Any
      ):
          # type: (...) -> "_models.SBAuthorizationRule"
          """Gets an authorization rule for a namespace by rule name.
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :param alias: The Disaster Recovery configuration name.
          :type alias: str
          :param authorization_rule_name: The authorization rule name.
          :type authorization_rule_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: SBAuthorizationRule, or the result of cls(response)
          :rtype: ~azure.mgmt.servicebus.v2021_06_01_preview.models.SBAuthorizationRule
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.SBAuthorizationRule"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2021-06-01-preview"
          accept = "application/json"
  
          # Construct URL
          url = self.get_authorization_rule.metadata['url']  # type: ignore
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
              'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
              'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
              'authorizationRuleName': self._serialize.url("authorization_rule_name", authorization_rule_name, 'str', max_length=50, min_length=1),
              'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          request = self._client.get(url, query_parameters, header_parameters)
          pipeline_response = self._client._pipeline.run(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)
              error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
              raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)
  
          deserialized = self._deserialize('SBAuthorizationRule', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      get_authorization_rule.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/authorizationRules/{authorizationRuleName}'}  # type: ignore
  
      def list_keys(
          self,
          resource_group_name,  # type: str
          namespace_name,  # type: str
          alias,  # type: str
          authorization_rule_name,  # type: str
          **kwargs  # type: Any
      ):
          # type: (...) -> "_models.AccessKeys"
          """Gets the primary and secondary connection strings for the namespace.
  
          :param resource_group_name: Name of the Resource group within the Azure subscription.
          :type resource_group_name: str
          :param namespace_name: The namespace name.
          :type namespace_name: str
          :param alias: The Disaster Recovery configuration name.
          :type alias: str
          :param authorization_rule_name: The authorization rule name.
          :type authorization_rule_name: str
          :keyword callable cls: A custom type or function that will be passed the direct response
          :return: AccessKeys, or the result of cls(response)
          :rtype: ~azure.mgmt.servicebus.v2021_06_01_preview.models.AccessKeys
          :raises: ~azure.core.exceptions.HttpResponseError
          """
          cls = kwargs.pop('cls', None)  # type: ClsType["_models.AccessKeys"]
          error_map = {
              401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
          }
          error_map.update(kwargs.pop('error_map', {}))
          api_version = "2021-06-01-preview"
          accept = "application/json"
  
          # Construct URL
          url = self.list_keys.metadata['url']  # type: ignore
          path_format_arguments = {
              'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
              'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
              'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
              'authorizationRuleName': self._serialize.url("authorization_rule_name", authorization_rule_name, 'str', max_length=50, min_length=1),
              'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
          }
          url = self._client.format_url(url, **path_format_arguments)
  
          # Construct parameters
          query_parameters = {}  # type: Dict[str, Any]
          query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
  
          # Construct headers
          header_parameters = {}  # type: Dict[str, Any]
          header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')
  
          request = self._client.post(url, query_parameters, header_parameters)
          pipeline_response = self._client._pipeline.run(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)
              error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
              raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)
  
          deserialized = self._deserialize('AccessKeys', pipeline_response)
  
          if cls:
              return cls(pipeline_response, deserialized, {})
  
          return deserialized
      list_keys.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceBus/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/authorizationRules/{authorizationRuleName}/listKeys'}  # type: ignore
  