@Override
      public void run() {
        Style oldStyle = getValue();
        if (SystemInfoRt.isMac && !Registry.is("ide.mac.disableMacScrollbars", false)) {
          super.run();
        }
        Style newStyle = getValue();
        if (newStyle != oldStyle) {
          List<MacScrollBarUI> list = new ArrayList<>();
          processReferences(null, null, list);
          for (MacScrollBarUI ui : list) {
            ui.updateStyle(newStyle);
          }
        }
      }
@Override
      public void run()