@Nullable
  @Override
  public @Nls String generateDoc(final PsiElement element, @Nullable final PsiElement originalElement) {
    final Help help = findHelp(element);
    if (help == null) {
      return null;
    }

    final String helpText = help.getHelpString();
    // For some reason we can't return empty sting (leads to "fetching doc" string)
    return (StringUtil.isEmptyOrSpaces(helpText) ? null : helpText);
  }
@Nullable
  @Override
  public @Nls String generateDoc(final PsiElement element, @Nullable final PsiElement originalElement)