private static String sanitizeLanguageId(@NotNull String id) {
    StringBuilder sb = new StringBuilder(id.length());
    id.chars().forEach(
      c-> {
        if (c >= 'a' && c <= 'z') {
          sb.appendCodePoint(c);
        }
        else {
          sb.append('-');
        }
      }
    );
    return sb.toString();
  }
private static String sanitizeLanguageId(@NotNull String id)