@Override
  public UnaryCallable<ListLocationsRequest, ListLocationsPagedResponse>
      listLocationsPagedCallable() {
    return listLocationsPagedCallable;
  }
Constructs an instance of HttpJsonWorkflowsStub, 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-workflows/google-cloud-workflows/src/main/java/com/google/cloud/workflows/v1beta/stub/HttpJsonWorkflowsStub.java