@Override
    public void actionPerformed(@NotNull AnActionEvent e) {
      if (e.getInputEvent() instanceof MouseEvent && BitUtil.isSet(e.getInputEvent().getModifiersEx(), InputEvent.ALT_DOWN_MASK)) {
        closeAllTabsExceptCurrent();
      }
      else {
        closeCurrentTab();
      }
    }
@Override
    public void actionPerformed(@NotNull AnActionEvent e)