def get_id_batch_proxy_manager(self):
Gets an ``IdnProxyManager``.

        return: (osid.id.batch.IdBatchProxyManager) - an
                ``IdBatchProxyManager``
        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``.*