code: func ConvertFilterParameters(filters []Filter) url.Values {
  	params := url.Values{"q": []string{}}
  	for _, filter := range filters {
  		params["q"] = append(params["q"], filter.format())
  	}
  
  	return params
  }
docs: // ConvertFilterParameters converts a Filter object into a collection that
  // cloudcontroller.Request can accept.