if resourceInfo != nil {
			resourceInfos = append(resourceInfos, resourceInfo)
		}
	}
	return apiResources, resourceInfos, ws, errors
}

// newWebService creates a new restful webservice with the api installer's prefix and version.
func (a *APIInstaller) newWebService() *restful.WebService {
	ws := new(restful.WebService)
	ws.Path(a.prefix)
	// a.prefix contains "prefix/group/version"
	ws.Doc("API at " + a.prefix)