docs: public static <T> Collector<T, ?, ParetoFront<T>>
  	toParetoFront(final Comparator<? super T> dominance) {
  		return Collector.of(
  			() -> new ParetoFront<>(dominance),
  			ParetoFront::add,
  			ParetoFront::merge
  		);
  	}