private ChooseByNamePanel createChooserPanel(@NotNull Project project, boolean useClass) {
    //@formatter:off
    ChooseByNameModel model =
      useClass ? new GotoClassModel2(project) {
        @Override public boolean loadInitialCheckBoxState() { return true; }
        @Override public void saveInitialCheckBoxState(boolean state) {}
        @Override public@Nullable  String getPromptText() { return null; }} :
      new GotoFileModel(project) {
        @Override public boolean loadInitialCheckBoxState() { return true; }
        @Override public void saveInitialCheckBoxState(boolean state) {} 
        @Override public String getPromptText() { return null; }};
    //@formatter:on
    ChooseByNamePanel panel = new ChooseByNamePanel(project, model, "", false, null) {
      @Override
      protected void showTextFieldPanel() {
      }

      @Override
      protected void close(boolean isOk) {
        super.close(isOk);
        if (isOk) {
          final List<Object> elements = getChosenElements();
          if (!elements.isEmpty()) {
            myActionListener.elementChosen(elements.get(0));
          }
          doOKAction();
        }
        else {
          doCancelAction();
        }
      }
    };
    UiNotifyConnector.doWhenFirstShown(panel.getPanel(), () -> {
      panel.invoke(new ChooseByNamePopupComponent.Callback() {
        @Override
        public void elementChosen(Object element) {
          setSelection(element);
        }
      }, ModalityState.stateForComponent(getRootPane()), false);
    });
    Disposer.register(myDisposable, panel);
    return panel;
  }
private ChooseByNamePanel createChooserPanel(@NotNull Project project, boolean useClass)