NewControllerMap returns a new object that contains a mapping between GVK and ControllerMapContents object.

NewUIDMap - returns a new object that maps UID to namespaced name of owner.

NewWatchMap - returns a new object that maps GVK to interface to determine if resource is being watched.

ControllerMap - map of GVK to ControllerMapContents.

ControllerMapContents- Contains internal data associated with each controller.

UIDMap - map of UID to namespaced name of owner.

WatchMap - map of GVK to interface.