}

func (op auditTierOp) String() string {
	// flattening the auditTierOp{} for audit
	return fmt.Sprintf("tier:%s,respNS:%d,tx:%d,err:%s", op.Tier, op.TimeToResponseNS, op.OutputBytes, op.Error)
}

func auditTierActions(ctx context.Context, tier string, bytes int64) func(err error) {
	startTime := time.Now()
	return func(err error) {
		// Record only when audit targets configured.
		if len(logger.AuditTargets()) == 0 {
			return