public final UnaryCallable<GenerateStreamHlsTokenRequest, GenerateStreamHlsTokenResponse>
      generateStreamHlsTokenCallable() {
    return stub.generateStreamHlsTokenCallable();
  }
Generate the JWT auth token required to get the stream HLS contents.

<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 (StreamsServiceClient streamsServiceClient = StreamsServiceClient.create()) {
  GenerateStreamHlsTokenRequest request =
      GenerateStreamHlsTokenRequest.newBuilder().setStream("stream-891990144").build();
  ApiFuture<GenerateStreamHlsTokenResponse> future =
      streamsServiceClient.generateStreamHlsTokenCallable().futureCall(request);
  // Do something.
  GenerateStreamHlsTokenResponse response = future.get();
}
}</pre>
java-visionai/google-cloud-visionai/src/main/java/com/google/cloud/visionai/v1/StreamsServiceClient.java