code: func NewAWSSDRegistry(provider provider.Provider, ownerID string) (*AWSSDRegistry, error) {
  	if ownerID == "" {
  		return nil, errors.New("owner id cannot be empty")
  	}
  	return &AWSSDRegistry{
  		provider: provider,
  		ownerID:  ownerID,
  	}, nil
  }
docs: // NewAWSSDRegistry returns implementation of registry for AWS SD