Callbacks:     callbacks,
		WatchDog:      electionChecker,
		Name:          leaseName,
	})

	panic("unreachable")
}

// filteredControllerDescriptors returns all controllerDescriptors after filtering through filterFunc.
func filteredControllerDescriptors(controllerDescriptors map[string]*ControllerDescriptor, filterFunc leadermigration.FilterFunc, expected leadermigration.FilterResult) map[string]*ControllerDescriptor {