type ProxierHealthServer struct {
	listener    listener
	httpFactory httpServerFactory
	clock       clock.Clock

	addr          string
	healthTimeout time.Duration

	lock                   sync.RWMutex
	lastUpdatedMap         map[v1.IPFamily]time.Time
	oldestPendingQueuedMap map[v1.IPFamily]time.Time
	nodeEligible           bool
}

// NewProxierHealthServer returns a proxier health http server.