@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + LANGUAGE_CODE_FIELD_NUMBER;
    hash = (53 * hash) + getLanguageCode().hashCode();
    hash = (37 * hash) + NAME_FIELD_NUMBER;
    hash = (53 * hash) + getName().hashCode();
    hash = (37 * hash) + SSML_GENDER_FIELD_NUMBER;
    hash = (53 * hash) + ssmlGender_;
    if (hasCustomVoice()) {
      hash = (37 * hash) + CUSTOM_VOICE_FIELD_NUMBER;
      hash = (53 * hash) + getCustomVoice().hashCode();
    }
    if (hasVoiceClone()) {
      hash = (37 * hash) + VOICE_CLONE_FIELD_NUMBER;
      hash = (53 * hash) + getVoiceClone().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
Optional. The configuration for a voice clone. If
[VoiceCloneParams.voice_clone_key] is set, the service chooses the voice
clone matching the specified configuration.
</pre>

<code>
.google.cloud.texttospeech.v1.VoiceCloneParams voice_clone = 5 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/VoiceSelectionParams.java