@Override
    public void doSynthetic() {
      final SyntheticWorker parentWorker = new SyntheticWorker(myDialogParent.getURL());
      parentWorker.addSyntheticChildToSelf(myDst, myRoot.getURL(), myNewName, ! mySourceNode.isLeaf());
      parentWorker.copyTreeToSelf(mySourceNode);
    }
@Override
    public void doSynthetic()