{
QName name = target.getName();
Element element = Util.findElement(message.getDocumentElement(), name);
if (element == null)
throw new FailedCheckException("Required QName was not present: " + name);
String id = Util.getWsuId(element);
if (id == null)
throw new FailedCheckException("Required element did not contain a wsu:id.");
Collection<String> result = new ArrayList<String>(1);
result.add(id);
return result;