# Functions
CreateControllerContext creates a context struct containing references to resources needed by the controllers such as the cloud provider and clientBuilder.
KnownControllers returns the known controllers.
NewApp creates a App object with default parameters.
NewControllerInitializers is a public map of named controller groups (you can start more than one in an init func) paired to their InitFunc.
Run runs the specified application controller manager.
StartControllers to start the controller.
# Constants
ControllerStartJitter used when starting controller managers.
# Variables
ControllersDisabledByDefault configured all controllers that are turned off by default.
# Structs
ControllerContext represents the context of controller.
# Type aliases
InitFunc is used to launch a particular controller.