@Override
 public IEObjectDescription getSingleElement(QualifiedName name) {
   IEObjectDescription result = doGetSingleElement(name);
   return result == null ? parent.getSingleElement(name) : result;
 }
 @Override
 protected void doGetElements(JvmType type, List<IEObjectDescription> result) {
   parent.doGetElements(type, result);
 }
 @Override
 public Iterable<IEObjectDescription> getElements(QualifiedName name) {
   return parent.getElements(name);
 }