@NotNull
  @Override
  protected JBPopup createPopup(@NotNull AnActionEvent e) {
    Project project = e.getProject();
    if (project == null) project = ProjectManager.getInstance().getDefaultProject();

    Ref<JBPopup> popup = new Ref<>();
    MyChangesBrowser cb = new MyChangesBrowser(project, popup);

    popup.set(JBPopupFactory.getInstance()
                .createComponentPopupBuilder(cb, cb.getPreferredFocusedComponent())
                .setResizable(true)
                .setModalContext(false)
                .setFocusable(true)
                .setRequestFocus(true)
                .setCancelOnWindowDeactivation(true)
                .setCancelOnOtherWindowOpen(true)
                .setMovable(true)
                .setCancelKeyEnabled(true)
                .setCancelOnClickOutside(true)
                .setDimensionServiceKey(project, "Diff.GoToChangePopup", false)
                .addListener(new JBPopupListener() {
                  @Override
                  public void onClosed(@NotNull LightweightWindowEvent event) {
                    cb.shutdown();
                  }
                })
                .createPopup());

    return popup.get();
  }
@NotNull
  @Override
  protected JBPopup createPopup(@NotNull AnActionEvent e)