package metrics

// Histograms calculate distribution statistics from a series of int64 values.
type Histogram interface {
	Clear()
	Count() int64
	Max() int64
	Mean() float64
	Min() int64
	Percentile(float64) float64
	Percentiles([]float64) []float64
	Sample() Sample
	Snapshot() Histogram
	StdDev() float64
	Sum() int64
	Update(int64)
	Variance() float64
}