code: func (a *Application) AddToFlagSet(fs *flag.FlagSet) {
  	flag.StringVar(&a.servicePath, "service", ".",
  		"Path to the AppEngine service to generate from.")
  	flag.StringVar(&a.serviceAPIRoot, "service-api-root", "/_ah/api/",
  		"The service's API root path.")
  	flag.StringVar(&a.genPath, "generator", "google-api-go-generator",
  		"Path to the `google-api-go-generator` binary to use.")
  	flag.StringVar(&a.apiPackage, "api-package", defaultPackageBase,
  		"Name of the root API package on GOPATH.")
  	flag.StringVar(&a.apiSubproject, "api-subproject", "",
  		"If supplied, place APIs in an additional subdirectory under -api-package.")
  	flag.Var(&a.apiWhitelist, "api",
  		"If supplied, limit the emitted APIs to those named. Can be specified "+
  			"multiple times.")
  	flag.StringVar(&a.baseURL, "base-url", "http://localhost:8080",
  		"Use this as the default base service client URL.")
  }
docs: // AddToFlagSet adds application-level flags to the supplied FlagSet.