async def get(self,request_configuration: Optional[RequestConfiguration[RichLongRunningOperationItemRequestBuilderGetQueryParameters]] = None) -> Optional[RichLongRunningOperation]:
        """
        The collection of long-running operations on the list.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[RichLongRunningOperation]
        """
        request_info = self.to_get_request_information(
            request_configuration
        )
        from .........models.o_data_errors.o_data_error import ODataError

        error_mapping: dict[str, type[ParsableFactory]] = {
            "XXX": ODataError,
        }
        if not self.request_adapter:
            raise Exception("Http core is null") 
        from .........models.rich_long_running_operation import RichLongRunningOperation

        return await self.request_adapter.send_async(request_info, RichLongRunningOperation, error_mapping)

        The collection of long-running operations on the list.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[RichLongRunningOperation]
        
msgraph/generated/groups/item/sites/item/lists/item/operations/item/rich_long_running_operation_item_request_builder.py