return
	}

	ac.annotationMutex.Lock()
	defer ac.annotationMutex.Unlock()

	for k, v := range annotations {
		addAuditAnnotationLocked(ac, k, v)
	}
}

// addAuditAnnotationLocked records the audit annotation on the event.
func addAuditAnnotationLocked(ac *AuditContext, key, value string) {
	ae := &ac.Event

	if ae.Annotations == nil {
		ae.Annotations = make(map[string]string)
	}