docs: public static ImmutableList<UnicodeFriendlyString> unicodeFriendlyList(Iterable<String> strings) {
      final ImmutableList.Builder<UnicodeFriendlyString> ret = ImmutableList.builder();
  
      for (final String s : strings) {
        ret.add(unicodeFriendly(s));
      }
  
      return ret.build();
    }