@abc.abstractmethod<EOL><INDENT>def get_ids_by_catalogs(self, catalog_ids):<DEDENT>
return<EOL>
Gets the list of ``Ids`` map to a lst of ``Catalogs``.

        :param catalog_ids: an ``Id``
        :type catalog_ids: ``osid.id.IdList``
        :return: list of catalogs containing the given ``Id``
        :rtype: ``osid.id.IdList``
        :raise: ``NullArgument`` -- ``catalog_ids`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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