@Override
  public void shutdown() {
    backgroundResources.shutdown();
  }
Constructs an instance of HttpJsonWebRiskServiceStub, 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-webrisk/google-cloud-webrisk/src/main/java/com/google/cloud/webrisk/v1/stub/HttpJsonWebRiskServiceStub.java