_cluster.asMessage() : null;
resp.setClusterStatus(clusterStatus);
final ObjectWriter w = useSmile ? _syncListSmileWriter : _syncListJsonWriter;
final String contentType = useSmile ? ContentType.SMILE.toString() : ContentType.JSON.toString();
return (OUT) response.ok(new StreamingEntityImpl(w, resp))
.setContentType(contentType);
}