String id = Util.getAttrib(groupEl, Params.ID);
final Element label = Util.getChild(groupEl, "label");
groupRepository.update(Integer.valueOf(id), new Updater<Group>() {
@Override
public void apply(@Nonnull Group group) {
for (Object t : label.getChildren()) {
Element translationEl = (Element) t;
group.getLabelTranslations().put(translationEl.getName(), translationEl.getText());