@abc.abstractmethod<EOL><INDENT>def get_grade_entry_search_order(self):<DEDENT>
return<EOL>
Gets a grade entry search order.

        The ``GradeEntrySearchOrder`` is supplied to a
        ``GradeEntrySearch`` to specify the ordering of results.

        :return: the grade entry search order
        :rtype: ``osid.grading.GradeEntrySearchOrder``


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