public boolean hasAdvancedVoiceOptions() {
      return ((bitField0_ & 0x00000008) != 0);
    }
<pre>
Advanced voice options.
</pre>

<code>optional .google.cloud.texttospeech.v1.AdvancedVoiceOptions advanced_voice_options = 8;
</code>

@return Whether the advancedVoiceOptions field is set.
java-texttospeech/proto-google-cloud-texttospeech-v1/src/main/java/com/google/cloud/texttospeech/v1/SynthesizeSpeechRequest.java