docs: public static SanitizedContent cleanHtml(
        String value, Dir contentDir, Collection<? extends OptionalSafeTag> optionalSafeTags) {
      return UnsafeSanitizedContentOrdainer.ordainAsSafe(
          stripHtmlTags(value, TagWhitelist.FORMATTING.withOptionalSafeTags(optionalSafeTags), true),
          ContentKind.HTML,
          contentDir);
    }