package metrics

// Samples maintain a statistically-significant selection of values from
// a stream.
type Sample interface {
	Clear()
	Count() int64
	Max() int64
	Mean() float64
	Min() int64
	Percentile(float64) float64
	Percentiles([]float64) []float64
	Size() int
	Snapshot() Sample
	StdDev() float64
	Sum() int64
	Update(int64)
	Values() []int64
	Variance() float64
}