Buckets:        []float64{.1, .25, .5, 1, 2.5, 5, 10, 15, 25, 50, 120, 300, 600},
		StabilityLevel: metrics.ALPHA,
	},
	[]string{"driver_name", "method_name", "grpc_status_code", "migrated"},
)

func init() {
	registerMetrics()
}

func registerMetrics() {
	// legacyregistry is the internal k8s wrapper around the prometheus