android/guava/src/com/google/common/collect/ImmutableSortedMultiset.java
public static <E extends Comparable<? super E>> ImmutableSortedMultiset<E> copyOf(E[] elements) {
    return copyOf(Ordering.natural(), Arrays.asList(elements));
  }
public static <E extends Comparable<? super E>> ImmutableSortedMultiset<E> copyOf(E[] elements) {
    return copyOf(Ordering.natural(), Arrays.asList(elements));
  }
Returns an immutable sorted multiset containing the given elements sorted by their natural
ordering.

@throws NullPointerException if any of {@code elements} is null