// AddAnnotation adds an annotation to attributesRecord with Metadata audit level
func (record *attributesRecord) AddAnnotation(key, value string) error {
	return record.AddAnnotationWithLevel(key, value, auditinternal.LevelMetadata)
}

func (record *attributesRecord) AddAnnotationWithLevel(key, value string, level auditinternal.Level) error {
	if err := checkKeyFormat(key); err != nil {
		return err
	}
	if level.Less(auditinternal.LevelMetadata) {

	// equal to Metadata.
	AddAnnotation(key, value string) error

	// AddAnnotationWithLevel sets annotation according to key-value pair with additional intended audit level.
	// An Annotation gets logged into audit event if the request's audit level is greater or equal to the
	// intended audit level.
	AddAnnotationWithLevel(key, value string, level auditinternal.Level) error