@Override
  public BidiStreamingCallable<StreamingSynthesizeRequest, StreamingSynthesizeResponse>
      streamingSynthesizeCallable() {
    throw new UnsupportedOperationException(
        "Not implemented: streamingSynthesizeCallable(). REST transport is not implemented for this"
            + " method yet.");
  }
Constructs an instance of HttpJsonTextToSpeechStub, using the given settings. This is protected
so that it is easy to make a subclass, but otherwise, the static factory methods should be
preferred.
java-texttospeech/google-cloud-texttospeech/src/main/java/com/google/cloud/texttospeech/v1/stub/HttpJsonTextToSpeechStub.java