@Override
  public int hashCode() {
    return Objects.hash(
        AesGcmHkdfStreamingParameters.class,
        keySizeBytes,
        derivedAesGcmKeySizeBytes,
        hkdfHashType,
        ciphertextSegmentSizeBytes);
  }
Returns the size a ciphertext segment has.
java_src/src/main/java/com/google/crypto/tink/streamingaead/AesGcmHkdfStreamingParameters.java