code: func parseUserAnnotations(flagUserAnnotations *kvMap) types.UserAnnotations {
  	if flagUserAnnotations.IsEmpty() {
  		return nil
  	}
  	userAnnotations := make(types.UserAnnotations)
  	for k, v := range flagUserAnnotations.mapping {
  		userAnnotations[k] = v
  	}
  	return userAnnotations
  }
docs: // parseUserAnnotations converts the user annotations set by '--user-annotation' flag,
  // and returns types.UserAnnotations.