@abc.abstractmethod<EOL><INDENT>def deleted_schedule_slots(self, notification_id, schedule_slot_ids):<DEDENT>
pass<EOL>
The callback for notification of deleted schedule slots.

        :param notification_id: the notification ``Id``
        :type notification_id: ``osid.id.Id``
        :param schedule_slot_ids: the ``Ids`` of the deleted ``ScheduleSlots``
        :type schedule_slot_ids: ``osid.id.IdList``


        *compliance: mandatory -- This method must be implemented.*