DeleteReferencesByReferrer deletes all reference records with specified referrer in reference cache.

ObjectReferenceIndexerReferent is the index function to index by the referent, which returns index in the following format from referent: group/version,Kind=kind/namespace/name.

ObjectReferenceIndexerReferrer is the index function to index by the referrer, which returns the index in the following format from referrer: group/version,Kind=kind/namespace/name.

ObjectReferenceKeyFunc is the function to transfer the reference relataioships between k8s objects.

UpdateReferencesToSecretOrConfigMap updates the reference records between referrer and each secret or configmap in namespacedNames in record cache.

ErrTypeNotObjectReference is the error returned to caller to tell that type of the object stored in indexer is not ObjectReference.

CacheIndexers implements a reference cache to store reference relationship between k8s objects provided by cache.Indexer.