public OperationCallable<CreateWorkflowRequest, Workflow, OperationMetadata>
      createWorkflowOperationCallable() {
    throw new UnsupportedOperationException("Not implemented: createWorkflowOperationCallable()");
  }
Base stub class for the Workflows service API.

<p>This class is for advanced usage and reflects the underlying API directly.
java-workflows/google-cloud-workflows/src/main/java/com/google/cloud/workflows/v1beta/stub/WorkflowsStub.java