@Override
  public List<String> getUrlFor(final PsiElement element, final PsiElement originalElement) {
    final Help help = findHelp(element);
    if (help == null) {
      return null;
    }
    final String externalHelpUrl = help.getExternalHelpUrl();
    if (externalHelpUrl != null) {
      return Collections.singletonList(externalHelpUrl);
    }
    return null;
  }
@Override
  public List<String> getUrlFor(final PsiElement element, final PsiElement originalElement)