wait

type BackoffFunc func(previousDuration time.Duration, previousConditionError bool) time.Duration

type BackoffManager interface {
	Backoff(previousDuration time.Duration, previousConditionError bool) time.Duration
}

type FastBackoffOptions struct {
	Duration           time.Duration
	Factor             float64
	Jitter             float64
	MaxDuration        time.Duration
	InitDurationIfFail time.Duration

	// If FastRetryCount > 0, then within the FastRetryWindow time window,
	// the retry will be performed with a delay of FastRetryDelay for the first FastRetryCount calls.
	FastRetryCount  int
	FastRetryDelay  time.Duration
	FastRetryJitter float64
	FastRetryWindow time.Duration
}