@Nullable
  @Override
  public String getPresentableText() {
    if (myHeader != null) {
      return HtmlTagTreeElement.normalizeSpacesAndShortenIfLong(myHeader);
    }

    final XmlTag tag = getElement();
    return tag == null ? null : HtmlTagTreeElement.normalizeSpacesAndShortenIfLong(tag.getValue().getTrimmedText());
  }
@Nullable
  @Override
  public String getPresentableText()