ControllerToSelectableFields returns a label set that represents the object.

MatchController is the filter used by the generic etcd backend to route watch events from etcd to clients of the apiserver only interested in specific labels/fields.

NewRegistry returns a new Registry interface for the given Storage.

Strategy is the default logic that applies when creating and updating Replication Controller objects.

Registry is an interface for things that know how to store ReplicationControllers.