code: func GetOriginalConfiguration(info *resource.Info) ([]byte, error) {
  	annotations, err := info.Mapping.MetadataAccessor.Annotations(info.Object)
  	if err != nil {
  		return nil, err
  	}
  
  	if annotations == nil {
  		return nil, nil
  	}
  
  	original, ok := annotations[LastAppliedConfigAnnotation]
  	if !ok {
  		return nil, nil
  	}
  
  	return []byte(original), nil
  }
docs: // GetOriginalConfiguration retrieves the original configuration of the object
  // from the annotation, or nil if no annotation was found.