public static <C extends Comparable<? super C>>
	Collector<C, ?, ParetoFront<C>> toParetoFront() {
		return toParetoFront(Comparator.naturalOrder());
	}
public static < C extends Comparable < ? super C > > Collector < C , ? , ParetoFront < C > > toParetoFront ( ) { return toParetoFront ( Comparator . naturalOrder ( ) ) ; }
Return a pareto-front collector. The natural order of the elements is
used as pareto-dominance order.

@param <C> the element type
@return a new pareto-front collector