ActivityImpl activity = compositeElement.createActivity();
parse.contextStackPush(activity);
try {
activity.setType(activityBinding.getTagName());
activityBinding.parseName(nestedElement, activity, parse);
parseTransitions(nestedElement, activity, parse);
Element descriptionElement = XmlUtil.element(documentElement, "description");
if (descriptionElement!=null) {
String description = XmlUtil.getContentText(descriptionElement);