docs: func mergeServicesCustomizations(a *API) {
  	info := mergeServices[a.PackageName()]
  
  	p := strings.Replace(a.path, info.srcName, info.dstName, -1)
  
  	if info.serviceVersion != "" {
  		index := strings.LastIndex(p, string(filepath.Separator))
  		files, _ := ioutil.ReadDir(p[:index])
  		if len(files) > 1 {
  			panic("New version was introduced")
  		}
  		p = p[:index] + "/" + info.serviceVersion
  	}
  
  	file := filepath.Join(p, "api-2.json")
  
  	serviceAPI := API{}
  	serviceAPI.Attach(file)
  	serviceAPI.Setup()
  
  	for n := range a.Shapes {
  		if _, ok := serviceAPI.Shapes[n]; ok {
  			a.Shapes[n].resolvePkg = SDKImportRoot + "/service/" + info.dstName
  		}
  	}
  }