metrics

var (
	// ClientCertExpiry is the expiry time of a client certificate
	ClientCertExpiry ExpiryMetric = noopExpiry{}
	// ClientCertRotationAge is the age of a certificate that has just been rotated.
	ClientCertRotationAge DurationMetric = noopDuration{}
	// RequestLatency is the latency metric that rest clients will update.
	RequestLatency LatencyMetric = noopLatency{}
	// ResolverLatency is the latency metric that DNS resolver will update
	ResolverLatency ResolverLatencyMetric = noopResolverLatency{}
	// RequestSize is the request size metric that rest clients will update.
	RequestSize SizeMetric = noopSize{}
	// ResponseSize is the response size metric that rest clients will update.
	ResponseSize SizeMetric = noopSize{}
	// RateLimiterLatency is the client side rate limiter latency metric.
	RateLimiterLatency LatencyMetric = noopLatency{}
	// RequestResult is the result metric that rest clients will update.
	RequestResult ResultMetric = noopResult{}
	// ExecPluginCalls is the number of calls made to an exec plugin, partitioned by
	// exit code and call status.
	ExecPluginCalls CallsMetric = noopCalls{}
	// RequestRetry is the retry metric that tracks the number of
	// retries sent to the server.
	RequestRetry RetryMetric = noopRetry{}
	// TransportCacheEntries is the metric that tracks the number of entries in the
	// internal transport cache.
	TransportCacheEntries TransportCacheMetric = noopTransportCache{}
	// TransportCreateCalls is the metric that counts the number of times a new transport
	// is created
	TransportCreateCalls TransportCreateCallsMetric = noopTransportCreateCalls{}
)