docs: func (s *BounceAction) Validate() error {
  	invalidParams := request.ErrInvalidParams{Context: "BounceAction"}
  	if s.Message == nil {
  		invalidParams.Add(request.NewErrParamRequired("Message"))
  	}
  	if s.Sender == nil {
  		invalidParams.Add(request.NewErrParamRequired("Sender"))
  	}
  	if s.SmtpReplyCode == nil {
  		invalidParams.Add(request.NewErrParamRequired("SmtpReplyCode"))
  	}
  
  	if invalidParams.Len() > 0 {
  		return invalidParams
  	}
  	return nil
  }