protected <T> void showNavigationPopup(final GotoActionCallback<T> callback,
                                         @Nullable @Nls final String findUsagesTitle,
                                         final ChooseByNamePopup popup) {
    showNavigationPopup(callback, findUsagesTitle, popup, true);
  }
protected <T> void showNavigationPopup(final GotoActionCallback<T> callback,
                                         @Nullable @Nls final String findUsagesTitle,
                                         final ChooseByNamePopup popup)