Tier             string `json:"tier"`
	TimeToResponseNS int64  `json:"timeToResponseNS"`
	OutputBytes      int64  `json:"tx,omitempty"`
	Error            string `json:"error,omitempty"`
}

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