@Override
  public void propertyChange(PropertyChangeEvent event) {
    if (event.getSource() != tabs) {
      return;
    }
    Integer limit = ClientProperty.get(tabs, JBTabsImpl.SIDE_TABS_SIZE_LIMIT_KEY);
    if (limit == null) {
      limit = JBTabsImpl.DEFAULT_MAX_TAB_WIDTH;
    }
    setSideTabsLimit(limit);
  }
@Override
  public void propertyChange(PropertyChangeEvent event)