// 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 {

	}

	var debugSocket *routes.DebugSocket
	if c.DebugSocketPath != "" {
		debugSocket = routes.NewDebugSocket(c.DebugSocketPath)
	}

	apiServerHandler := NewAPIServerHandler(name, c.Serializer, handlerChainBuilder, delegationTarget.UnprotectedHandler())

	s := &GenericAPIServer{
		discoveryAddresses:             c.DiscoveryAddresses,
		LoopbackClientConfig:           c.LoopbackClientConfig,