@Override
  public AnAction installAutoscrollToSourceHandler(Project project, JTree tree, final AutoScrollToSourceOptionProvider optionProvider) {
    AutoScrollToSourceHandler handler = new AutoScrollToSourceHandler() {
      @Override
      public boolean isAutoScrollMode() {
        return optionProvider.isAutoScrollMode();
      }

      @Override
      public void setAutoScrollMode(boolean state) {
        optionProvider.setAutoScrollMode(state);
      }
    };
    handler.install(tree);
    return handler.createToggleAction();
  }
@Override
  public AnAction installAutoscrollToSourceHandler(Project project, JTree tree, final AutoScrollToSourceOptionProvider optionProvider)