* <a href="https://en.wikipedia.org/wiki/Hash_function">hash function</a>.
   *
   * @since 20.0
   */
  public static HashFunction farmHashFingerprint64() {
    return FarmHashFingerprint64.FARMHASH_FINGERPRINT_64;
  }

  /**
   * Returns a hash function implementing the Fingerprint2011 hashing function (64 hash bits).
   *
   * <p>This is designed for generating persistent fingerprints of strings. It isn't