Buckets:        []float64{0.005, 0.025, 0.05, 0.1, 0.2, 0.4, 0.6, 0.8, 1.0, 1.25, 1.5, 2, 3},
		}, []string{"resource"})
)

var registerMetrics sync.Once

// Register all metrics.
func Register() {
	// Register the metrics.
	registerMetrics.Do(func() {
		legacyregistry.MustRegister(listCacheCount)
		legacyregistry.MustRegister(listCacheNumFetched)
		legacyregistry.MustRegister(listCacheNumReturned)

	additionalInitializers []admission.PluginInitializer,
) (
	*Config,
	[]admission.PluginInitializer,
	error,
) {
	proxyTransport := CreateProxyTransport()

	opts.Metrics.Apply()
	serviceaccount.RegisterMetrics()

	config := &Config{
		Generic: genericConfig,
		Extra: Extra{
			APIResourceConfigSource: storageFactory.APIResourceConfigSource,
			StorageFactory:          storageFactory,