static <A, B> S formatColonProperties(Map<A, B> map) {
  ret mapToLines joinPairWithColon(mapToPairs(map));
}

static <A, B> S formatColonProperties(LPair<A, B> l) {
  ret mapToLines joinPairWithColon(l);
}

static <A, B> S formatColonProperties(O... params) {
  ret formatColonProperties(paramsToPairs(params));
}