final Unmarshaller unmarshaller = getUnmarshaller();
unmarshaller.start(createByteInput(input));
expectHeader(unmarshaller, DomainClientProtocol.RETURN_APPLY_SERVER_MODEL_UPDATE);
@SuppressWarnings("unchecked")
final UpdateResultHandlerResponse<R> result = unmarshal(unmarshaller, UpdateResultHandlerResponse.class);
unmarshaller.finish();
if (resultHandler != null) {
if (result.isCancelled()) {
resultHandler.handleCancellation(param);
}
else if (result.isRolledBack()) {