@abc.abstractmethod<EOL><INDENT>def get_schedule_search_order(self):<DEDENT>
return<EOL>
Gets the search order for a schedule.

        :return: the schedule search order
        :rtype: ``osid.calendaring.ScheduleSearchOrder``
        :raise: ``Unimplemented`` -- ``supports_schedule_search_order() is false``

        *compliance: optional -- This method must be implemented if
        ``supports_schedule_search_order()`` is true.*