@Override
  public UnaryCallable<GetAssetRequest, Asset> getAssetCallable() {
    return getAssetCallable;
  }
Constructs an instance of GrpcLivestreamServiceStub, 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-video-live-stream/google-cloud-live-stream/src/main/java/com/google/cloud/video/livestream/v1/stub/GrpcLivestreamServiceStub.java