@abc.abstractmethod<EOL><INDENT>def get_parameter_search_order(self):<DEDENT>
return<EOL>
Gets the parameter search order.

        :return: the parameter search order
        :rtype: ``osid.configuration.ParameterSearchOrder``
        :raise: ``Unimplemented`` -- ``supports_parameter_search_order()`` is ``false``

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