@abc.abstractmethod<EOL><INDENT>def get_schedule_slots_by_time(self, time):<DEDENT>
return<EOL>
Gets a ``ScheduleSlotList`` matching the given time.

        :param time: a time
        :type time: ``osid.calendaring.Time``
        :return: the returned ``ScheduleSlot`` list
        :rtype: ``osid.calendaring.ScheduleSlotList``
        :raise: ``NullArgument`` -- ``time`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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