@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    if (getLanguageCodesCount() > 0) {
      hash = (37 * hash) + LANGUAGE_CODES_FIELD_NUMBER;
      hash = (53 * hash) + getLanguageCodesList().hashCode();
    }
    hash = (37 * hash) + NAME_FIELD_NUMBER;
    hash = (53 * hash) + getName().hashCode();
    hash = (37 * hash) + SSML_GENDER_FIELD_NUMBER;
    hash = (53 * hash) + ssmlGender_;
    hash = (37 * hash) + NATURAL_SAMPLE_RATE_HERTZ_FIELD_NUMBER;
    hash = (53 * hash) + getNaturalSampleRateHertz();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
The natural sample rate (in hertz) for this voice.
</pre>

<code>int32 natural_sample_rate_hertz = 4;</code>

@return The naturalSampleRateHertz.
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/Voice.java