async def get(self,request_configuration: Optional[RequestConfiguration[DeltaRequestBuilderGetQueryParameters]] = None) -> Optional[DeltaGetResponse]:
        """
        Get a set of mail folders that have been added, deleted, or removed from the user's mailbox. A delta function call for mail folders in a mailbox is similar to a GET request, except that by appropriatelyapplying state tokens in one or more of these calls,you can query for incremental changes in the mail folders. This allows you to maintain and synchronizea local store of a user's mail folders without having to fetch all the mail folders of that mailbox from the server every time.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[DeltaGetResponse]
        Find more info here: https://learn.microsoft.com/graph/api/mailfolder-delta?view=graph-rest-1.0
        """
        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 .delta_get_response import DeltaGetResponse

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

        Get a set of mail folders that have been added, deleted, or removed from the user's mailbox. A delta function call for mail folders in a mailbox is similar to a GET request, except that by appropriatelyapplying state tokens in one or more of these calls,you can query for incremental changes in the mail folders. This allows you to maintain and synchronizea local store of a user's mail folders without having to fetch all the mail folders of that mailbox from the server every time.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[DeltaGetResponse]
        Find more info here: https://learn.microsoft.com/graph/api/mailfolder-delta?view=graph-rest-1.0
        
msgraph/generated/users/item/mail_folders/item/child_folders/delta/delta_request_builder.py