def METHOD_NAME(discovery_site_data_source_name: Optional[pulumi.Input[str]] = None,
                                                         resource_group_name: Optional[pulumi.Input[str]] = None,
                                                         site_name: Optional[pulumi.Input[str]] = None,
                                                         sql_site_name: Optional[pulumi.Input[str]] = None,
                                                         opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetSqlDiscoverySiteDataSourceControllerResult]:
    """
    Get a SqlDiscoverySiteDataSource
    :param str discovery_site_data_source_name: SQL Discovery site data source name.
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    :param str site_name: Site name
    :param str sql_site_name: SQL site name.
    """
    ...