@abc.abstractmethod<EOL><INDENT>def get_objective_search_order(self):<DEDENT>
return<EOL>
Gets a n objective search order.

        The ``ObjectiveSearchOrder`` is supplied to an
        ``ObjectiveSearch`` to specify the ordering of results.

        :return: the objective search order
        :rtype: ``osid.learning.ObjectiveSearchOrder``


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