public OperationCallSettings<DeleteWorkflowRequest, Empty, OperationMetadata>
      deleteWorkflowOperationSettings() {
    return deleteWorkflowOperationSettings;
  }
Returns the object with the settings used for calls to deleteWorkflow.
java-workflows/google-cloud-workflows/src/main/java/com/google/cloud/workflows/v1beta/stub/WorkflowsStubSettings.java