@Override
  public List<String> getUrlFor(PsiElement element, PsiElement originalElement) {
    String result = getUrlForHtml(element, originalElement);
    DocumentationProvider styleProvider = getStyleProvider();
    if (result == null && styleProvider != null) {
      return styleProvider.getUrlFor(element, originalElement);
    }

    return result != null ? Collections.singletonList(result) : null;
  }
@Override
  public List<String> getUrlFor(PsiElement element, PsiElement originalElement)