errMsg += fmt.Sprintf(" If %s is an invalid resource, then you should manually remove ownerReferences that refer %s objects.", versionKind, versionKind)
	return errMsg
}

func newRESTMappingError(kind, version string) *restMappingError {
	return &restMappingError{kind: kind, version: version}

	fqKind := schema.FromAPIVersionAndKind(apiVersion, kind)
	mapping, err := gc.restMapper.RESTMapping(fqKind.GroupKind(), fqKind.Version)
	if err != nil {
		return schema.GroupVersionResource{}, false, newRESTMappingError(kind, apiVersion)
	}
	return mapping.Resource, mapping.Scope == meta.RESTScopeNamespace, nil
}

func (gc *GarbageCollector) deleteObject(item objectReference, policy *metav1.DeletionPropagation) error {