@Override
    protected void patchActionsTreeCorrespondingToSchema(DefaultMutableTreeNode root) {
      //noinspection ConstantValue -- can be called from superclass constructor
      if (myGroupID == null) return;
      fillTreeFromActions(root, (ActionGroup)ActionManager.getInstance().getAction(myGroupID));
    }
@Override
    protected void patchActionsTreeCorrespondingToSchema(DefaultMutableTreeNode root)