code: func (request *ActualLRPGroupByProcessGuidAndIndexRequest) Validate() error {
  	var validationError ValidationError
  
  	if request.ProcessGuid == "" {
  		validationError = validationError.Append(ErrInvalidField{"process_guid"})
  	}
  
  	if request.Index < 0 {
  		validationError = validationError.Append(ErrInvalidField{"index"})
  	}
  
  	if !validationError.Empty() {
  		return validationError
  	}
  
  	return nil
  }
docs: // DEPRECATED