func AddJitter(duration time.Duration, jitter time.Duration) time.Duration {
	var randJitter int64
	if jitter.Nanoseconds() == 0 {
		randJitter = 0
	} else {
		randJitter = rand.Int63n(jitter.Nanoseconds())
	}
	return time.Duration(duration.Nanoseconds() + randJitter)
}
func AddJitter(duration time.Duration, jitter time.Duration) time.Duration {
	var randJitter int64
	if jitter.Nanoseconds() == 0 {
		randJitter = 0
	} else {
		randJitter = rand.Int63n(jitter.Nanoseconds())
	}
	return time.Duration(duration.Nanoseconds() + randJitter)
}
// AddJitter adds an amount of jitter between 0 and the given jitter to the
// given duration