def get_id_batch_manager(self):
raise errors.Unimplemented()<EOL>
Gets an ``IdBatchManager``.

        return: (osid.id.batch.IdBatchManager) - an ``IdBatchManager``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_id_batch()`` is ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_id_batch()`` is ``true``.*