def data_source(self) -> DataSourceRequestBuilder:
        """
        Provides operations to manage the dataSource property of the microsoft.graph.security.ediscoveryNoncustodialDataSource entity.
        """
        from .data_source.data_source_request_builder import DataSourceRequestBuilder

        return DataSourceRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the dataSource property of the microsoft.graph.security.ediscoveryNoncustodialDataSource entity.
        
msgraph/generated/security/cases/ediscovery_cases/item/noncustodial_data_sources/item/ediscovery_noncustodial_data_source_item_request_builder.py