@Override
    public void contentAdded(@NotNull ContentManagerEvent event) {
      Content content = event.getContent();
      myTabbedPaneWrapper.insertTab(content.getTabName(),
                                    content.getIcon(),
                                    content.getComponent(),
                                    content.getDescription(),
                                    event.getIndex());
      content.addPropertyChangeListener(TabbedPaneContentUI.this);
    }
@Override
    public void contentAdded(@NotNull ContentManagerEvent event)