@abc.abstractmethod<EOL><INDENT>def get_schedule_slot(self):<DEDENT>
return<EOL>
Gets the schedule slot included inside this one.

        :return: the schedule slot
        :rtype: ``osid.calendaring.ScheduleSlot``
        :raise: ``OperationFailed`` -- unable to complete request

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