public static <E extends Comparable<? super E>> ImmutableSortedSet<E> of(E element) {
    return new RegularImmutableSortedSet<E>(ImmutableList.of(element), Ordering.natural());
  }
public static <E extends Comparable<? super E>> ImmutableSortedSet<E> of(E element) {
    return new RegularImmutableSortedSet<E>(ImmutableList.of(element), Ordering.natural());
  }
public static < E extends Comparable < ? super E > > ImmutableSortedSet < E > of ( E element ) { return new RegularImmutableSortedSet < E > ( ImmutableList . of ( element ) , Ordering . natural ( ) ) ; }
Returns an immutable sorted set containing a single element.
Returns an immutable sorted set containing a single element .