private static @Nullable JComponent createMainPanelToolbar(@NotNull Disposable parentDisposable) {
    return WelcomeScreenCustomization.WELCOME_SCREEN_CUSTOMIZATION.getExtensionsIfPointIsRegistered().stream()
      .map(c -> c.createMainPanelToolbar(parentDisposable))
      .filter(Objects::nonNull)
      .findFirst().orElse(null);
  }
private static @Nullable JComponent createMainPanelToolbar(@NotNull Disposable parentDisposable)