code: func (r *ChainResponse) Send(response *restful.Response) {
  	var keys []string
  	for k := range r.chains {
  		keys = append(keys, k)
  	}
  	sort.Strings(keys)
  
  	for _, k := range keys {
  		r.Chains = append(r.Chains, prepareChainResponse(r.Context, r.chains[k]))
  	}
  
  	r.Response.Send(response)
  }
docs: // Send responds to a request with http.StatusOK