code: func successfulModificationReactorFunc(action core.Action) (bool, runtime.Object, error) {
  	objAction, ok := action.(actionWithObject)
  	if ok {
  		return true, objAction.GetObject(), nil
  	}
  	return true, nil, nil
  }
docs: // successfulModificationReactorFunc is a no-op that just returns the POSTed/PUTed value if present; but does nothing to edit any backing data store.