return
		}

		atomic.AddInt32(&srv.requestCount, 1)
		defer atomic.AddInt32(&srv.requestCount, -1)

		// Handle request using passed handler.
		handler.ServeHTTP(w, r)
	})

	srv.listenerMutex.Lock()
	srv.Handler = wrappedHandler
	srv.listener = listener
	srv.listenerMutex.Unlock()

	var l net.Listener = listener
	if tlsConfig != nil {

	}
	errFatal := func(err error) {
		t.Helper()
		if err != nil {
			t.Fatal(err)
		}
	}
	wrapServer := func(handler http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			t.Logf("Got a %s request for: %v", r.Method, r.URL)
			handler.ServeHTTP(w, r)
		})
	}
	connReady := make(chan struct{})
	// We fake a local and remote server.
	localHost := hosts[0]

     *            ルートディレクトリ。{@literal null}であってはいけません
     * @param handler
     *            リソースを処理するハンドラ。{@literal null}であってはいけません
     */
    public static void forEach(final File rootDir, final ResourceHandler handler) {
        assertArgumentNotNull("rootDir", rootDir);
        assertArgumentNotNull("handler", handler);

        forEach(rootDir, null, handler);
    }

    /**
     * ファイルシステムに含まれるリソースをトラバースします。
     * <p>

    opt raise
        dep -->> handler: Raise HTTPException
        handler -->> client: HTTP error response
        dep -->> dep: Raise other exception
    end
    dep ->> operation: Run dependency, e.g. DB session
    opt raise
        operation -->> dep: Raise HTTPException
        dep -->> handler: Auto forward exception
        handler -->> client: HTTP error response

  // handler specifies the underlying runtime and configuration that the CRI
  // implementation will use to handle pods of this class. The possible values
  // are specific to the node & CRI configuration.  It is assumed that all
  // handlers are available on every node, and handlers of the same name are
  // equivalent on every node.
  // For example, a handler called "runc" might specify that the runc OCI

}

// corsHandler handler for CORS (Cross Origin Resource Sharing)
func corsHandler(handler http.Handler) http.Handler {
	commonS3Headers := []string{
		xhttp.Date,
		xhttp.ETag,
		xhttp.ServerInfo,
		xhttp.Connection,
		xhttp.AcceptRanges,
		xhttp.ContentRange,
		xhttp.ContentEncoding,
		xhttp.ContentLength,
		xhttp.ContentType,

In this case, the `startup` event handler function will initialize the items "database" (just a `dict`) with some values.

You can add more than one event handler function.

And your application won't start receiving requests until all the `startup` event handlers have completed.

### `shutdown` event

To add a function that should be run when the application is shutting down, declare it with the event `"shutdown"`:

func (m *Manager) AddToMux(router *mux.Router, authReq func(r *http.Request) error) {
	router.Handle(m.routePath, m.Handler(authReq))
}

// Handler returns a handler that can be used to serve grid requests.
// This should be connected on RoutePath to the main server.
func (m *Manager) Handler(authReq func(r *http.Request) error) http.HandlerFunc {
	return func(w http.ResponseWriter, req *http.Request) {

From this connection individual requests can be made.

Each handler, with optional subroutes can be registered with the manager using 
`Manager.RegisterXHandler(handlerID, handler, subroutes...)`.

A `Handler()` function provides an HTTP handler, which should be hooked up to the appropriate route on the server.

  // handler specifies the underlying runtime and configuration that the CRI
  // implementation will use to handle pods of this class. The possible values
  // are specific to the node & CRI configuration.  It is assumed that all
  // handlers are available on every node, and handlers of the same name are
  // equivalent on every node.
  // For example, a handler called "runc" might specify that the runc OCI