async def METHOD_NAME(
    self,
    subscription_id: str,
    resource_group_name: str,
    site_name: str,
    operation_status_name: str,
    **kwargs
) -> "models.OperationStatus":
    """Method to get operation status.
    Method to get operation status.
    :param subscription_id: The ID of the target subscription.
    :type subscription_id: str
    :param resource_group_name: The name of the resource group. The name is case insensitive.
    :type resource_group_name: str
    :param site_name: Site name.
    :type site_name: str
    :param operation_status_name: Operation status ARM name.
    :type operation_status_name: str
    :keyword callable cls: A custom type or function that will be passed the direct response
    :return: OperationStatus, or the result of cls(response)
    :rtype: ~azure_migrate_v2.models.OperationStatus
    :raises: ~azure.core.exceptions.HttpResponseError
    """
    cls = kwargs.pop('cls', None)  # type: ClsType["models.OperationStatus"]
    error_map = {
        401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
    }
    error_map.update(kwargs.pop('error_map', {}))
    api_version = "2020-01-01"
    accept = "application/json"
    # Construct URL
    url = self.METHOD_NAME.metadata['url']  # type: ignore
    path_format_arguments = {
        'subscriptionId': self._serialize.url("subscription_id", subscription_id, 'str'),
        'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
        'siteName': self._serialize.url("site_name", site_name, 'str'),
        'operationStatusName': self._serialize.url("operation_status_name", operation_status_name, '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 = await 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)
        raise HttpResponseError(response=response, error_format=ARMErrorFormat)
    deserialized = self._deserialize('OperationStatus', pipeline_response)
    if cls:
        return cls(pipeline_response, deserialized, {})
    return deserialized