@NotNull
  private static ProgressIndicator getOrCreateIndicator() {
    ProgressIndicator progress = ProgressIndicatorProvider.getGlobalProgressIndicator();
    if (progress == null) {
      progress = new EmptyProgressIndicator();
      progress.start();
    }
    progress.setIndeterminate(false);
    return progress;
  }
@NotNull
  private static ProgressIndicator getOrCreateIndicator()