docs: func (s *PutRetentionConfigurationInput) Validate() error {
  	invalidParams := request.ErrInvalidParams{Context: "PutRetentionConfigurationInput"}
  	if s.RetentionPeriodInDays == nil {
  		invalidParams.Add(request.NewErrParamRequired("RetentionPeriodInDays"))
  	}
  	if s.RetentionPeriodInDays != nil && *s.RetentionPeriodInDays < 30 {
  		invalidParams.Add(request.NewErrParamMinValue("RetentionPeriodInDays", 30))
  	}
  
  	if invalidParams.Len() > 0 {
  		return invalidParams
  	}
  	return nil
  }