@Override
    public void update(@NotNull AnActionEvent e) {
      MyLoadingChangesPanel changesPanel = e.getData(MyLoadingChangesPanel.DATA_KEY);
      if (changesPanel == null) {
        e.getPresentation().setEnabledAndVisible(false);
        return;
      }

      MyChangesBrowser browser = ObjectUtils.tryCast(changesPanel.getChangesBrowser(), MyChangesBrowser.class);
      e.getPresentation().setEnabledAndVisible(browser != null && browser.myLocalContent != LocalContent.NONE);
    }
@Override
    public void update(@NotNull AnActionEvent e)