private void resetTreeModel() {
      TreeModel model = myTree.getModel();
      if (model instanceof Disposable) {
        Disposer.dispose((Disposable)model);
      }
      myTree.setModel(null);
      AsyncTreeModel asyncTreeModel = new AsyncTreeModel(myTreeModel, ServiceTreeView.this);
      myTree.setModel(asyncTreeModel);
    }
private void resetTreeModel()