monitoring

type Monitor interface {
	IncCounter(name string, labels map[string]string, value int)
	RecordTiming(name string, labels map[string]string, duration time.Duration)
}

type PrometheusMonitor struct {
	Counters   map[string]*prometheus.CounterVec
	Histograms map[string]*prometheus.HistogramVec
	Mu         sync.RWMutex
}