import (
	"sync"
	"time"

	"k8s.io/kubernetes/pkg/kubelet/metrics"
	"k8s.io/utils/clock"
)

type NodeStartupLatencyTracker interface {
	// This function may be called across Kubelet restart.
	RecordAttemptRegisterNode()
	// This function should not be called across Kubelet restart.
	RecordRegisteredNewNode()
	// This function may be called across Kubelet restart.
	RecordNodeReady()
}