guava/src/com/google/common/graph/ElementOrder.java
public static <S extends Comparable<? super S>> ElementOrder<S> natural() {
    return new ElementOrder<S>(Type.SORTED, Ordering.<S>natural());
  }
public static <S extends Comparable<? super S>> ElementOrder<S> natural() {
    return new ElementOrder<S>(Type.SORTED, Ordering.<S>natural());
  }
public static < S extends Comparable < ? super S > > ElementOrder < S > natural ( ) { return new ElementOrder < S > ( Type . SORTED , Ordering . < S > natural ( ) ) ; }
Returns an instance which specifies that the natural ordering of the elements is guaranteed.
Returns an instance which specifies that the natural ordering of the elements is guaranteed .