// It is normally used to apply filtering like authentication and authorization
type HandlerChainBuilderFn func(apiHandler http.Handler) http.Handler

func NewAPIServerHandler(name string, s runtime.NegotiatedSerializer, handlerChainBuilder HandlerChainBuilderFn, notFoundHandler http.Handler) *APIServerHandler {
	nonGoRestfulMux := mux.NewPathRecorderMux(name)
	if notFoundHandler != nil {