@Override
  protected void somethingChanged() {
    if (myShowPreview) {
      ReadAction
        .nonBlocking(() -> getI18nizedText())
        .finishOnUiThread(ModalityState.stateForComponent(myPreviewLabel), (@NlsSafe String text) -> myPreviewLabel.setText(text))
        .submit(myExecutorPool);
    }
    super.somethingChanged();
  }
@Override
  protected void somethingChanged()