public StreamingCallSettings<StreamingSynthesizeRequest, StreamingSynthesizeResponse>
      streamingSynthesizeSettings() {
    return streamingSynthesizeSettings;
  }
Returns the object with the settings used for calls to streamingSynthesize.
java-texttospeech/google-cloud-texttospeech/src/main/java/com/google/cloud/texttospeech/v1/stub/TextToSpeechStubSettings.java