@abc.abstractmethod<EOL><INDENT>def get_map_ids_by_location(self, location_id):<DEDENT>
return<EOL>
Gets the ``Map``  ``Ids`` mapped to a ``Location``.

        :param location_id: ``Id`` of a ``Location``
        :type location_id: ``osid.id.Id``
        :return: list of maps
        :rtype: ``osid.id.IdList``
        :raise: ``NotFound`` -- ``location_id`` is not found
        :raise: ``NullArgument`` -- ``location_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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