public HttpJsonOperationsStub getHttpJsonOperationsStub() {
    return httpJsonOperationsStub;
  }
Constructs an instance of HttpJsonTextToSpeechLongAudioSynthesizeStub, 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/v1beta1/stub/HttpJsonTextToSpeechLongAudioSynthesizeStub.java