snum

type INumberRange interface {
	CreateInterval(name string, numberFrom uint32, numberTo uint32, isRolling bool) (INumberRangeInterval, error)
	GetInterval(name string) (INumberRangeInterval, error)
	GetIntervals() []INumberRangeInterval
	GetName() string
}

type INumberRangeInterval interface {
	GetNext() (uint32, error)
	GetName() string
}