long size = 0;
    for (Entry<?> entry : multiset.entrySet()) {
      size += entry.getCount();
    }
    return Ints.saturatedCast(size);
  }

  /** Used to avoid http://bugs.sun.com/view_bug.do?bug_id=6558557 */
  static <T extends @Nullable Object> Multiset<T> cast(Iterable<T> iterable) {
    return (Multiset<T>) iterable;
  }

  /**

   * @since 25.1
   */
  public static final String SEC_PROVIDED_TOKEN_BINDING_ID = "Sec-Provided-Token-Binding-ID";
  /**
   * The HTTP <a href="https://tools.ietf.org/html/draft-ietf-tokbind-ttrp">{@code
   * Sec-Referred-Token-Binding-ID}</a> header field name.
   *
   * @since 25.1
   */
  public static final String SEC_REFERRED_TOKEN_BINDING_ID = "Sec-Referred-Token-Binding-ID";
  /**

   *
   * <p>Note: the type parameter {@code E} extends {@code Comparable<?>} rather than {@code
   * Comparable<? super E>} as a workaround for javac <a
   * href="http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6468354">bug 6468354</a>.
   */
  public static <E extends Comparable<?>> Builder<E> reverseOrder() {
    return new Builder<>(Ordering.<E>natural().reverse());
  }

  /**