@SuppressWarnings("unchecked") //
  public static <E> ImmutableMultiset<E> of(E e1, E e2) {
    return copyOfInternal(e1, e2);
  }
@ SuppressWarnings ( "unchecked" ) public static < E > ImmutableMultiset < E > of ( E e1 , E e2 ) { return copyOfInternal ( e1 , e2 ) ; }
Returns an immutable multiset containing the given elements, in order.

@throws NullPointerException if any element is null
@since 6.0 (source-compatible since 2.0)