code: func parseAnnotations(flagAnnotations *kvMap) map[types.ACIdentifier]string {
  	if flagAnnotations.IsEmpty() {
  		return nil
  	}
  	annotations := make(map[types.ACIdentifier]string)
  	for k, v := range flagAnnotations.mapping {
  		annotations[types.ACIdentifier(k)] = v
  	}
  	return annotations
  }
docs: // parseAnnotations converts the annotations set by '--annotation' flag,
  // and returns map[types.ACIdentifier]string