@Override
  public void shutdownNow() {
    stub.shutdownNow();
  }
Performs bidirectional streaming speech synthesis: receives audio while sending text.

<p>Sample code:

<pre>{@code
// This snippet has been automatically generated and should be regarded as a code template only.
// It will require modifications to work:
// - It may require correct/in-range values for request initialization.
// - It may require specifying regional endpoints when creating the service client as shown in
// https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
  BidiStream<StreamingSynthesizeRequest, StreamingSynthesizeResponse> bidiStream =
      textToSpeechClient.streamingSynthesizeCallable().call();
  StreamingSynthesizeRequest request = StreamingSynthesizeRequest.newBuilder().build();
  bidiStream.send(request);
  for (StreamingSynthesizeResponse response : bidiStream) {
    // Do something when a response is received.
  }
}
}</pre>
java-texttospeech/google-cloud-texttospeech/src/main/java/com/google/cloud/texttospeech/v1/TextToSpeechClient.java