public OperationCallable<UpdatePoolRequest, Pool, OperationMetadata>
      updatePoolOperationCallable() {
    throw new UnsupportedOperationException("Not implemented: updatePoolOperationCallable()");
  }
Base stub class for the LivestreamService service API.

<p>This class is for advanced usage and reflects the underlying API directly.
java-video-live-stream/google-cloud-live-stream/src/main/java/com/google/cloud/video/livestream/v1/stub/LivestreamServiceStub.java