legacyregistry.MustRegister(csrDurationHonored)
	})
}

var registerMetricsOnce sync.Once

type counterVecMetric interface {
	WithLabelValues(...string) metrics.CounterMetric
}

func countCSRDurationMetric(requested, honored counterVecMetric) genericregistry.BeginUpdateFunc {
	return func(ctx context.Context, obj, old runtime.Object, options *metav1.UpdateOptions) (genericregistry.FinishFunc, error) {

	// dedicated strategies.
	statusStore := *store
	statusStore.UpdateStrategy = csrregistry.StatusStrategy
	statusStore.ResetFieldsStrategy = csrregistry.StatusStrategy
	statusStore.BeginUpdate = countCSRDurationMetric(csrDurationRequested, csrDurationHonored)

	approvalStore := *store
	approvalStore.UpdateStrategy = csrregistry.ApprovalStrategy
	approvalStore.ResetFieldsStrategy = csrregistry.ApprovalStrategy