@abc.abstractmethod<EOL><INDENT>def search_among_schedule_slots(self, schedule_slot_ids):<DEDENT>
pass<EOL>
Execute this search among the given list of schedule slots.

        :param schedule_slot_ids: list of schedule slots
        :type schedule_slot_ids: ``osid.id.IdList``
        :raise: ``NullArgument`` -- ``schedule_slot_ids`` is ``null``

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