public StreamingCallSettings.Builder<StreamingSynthesizeRequest, StreamingSynthesizeResponse>
        streamingSynthesizeSettings() {
      return streamingSynthesizeSettings;
    }
Returns the builder for the settings used for calls to streamingSynthesize.
java-texttospeech/google-cloud-texttospeech/src/main/java/com/google/cloud/texttospeech/v1beta1/stub/TextToSpeechStubSettings.java