*
   * @since 15.0 (since 12.0 in HashCodes)
   */
  public static HashCode fromInt(int hash) {
    return new IntHashCode(hash);
  }

  private static final class IntHashCode extends HashCode implements Serializable {
    final int hash;

    IntHashCode(int hash) {
      this.hash = hash;
    }

    @Override
    public int bits() {
      return 32;
    }