First concept

node_modules/next/dist/server/web/spec-extension/fetch-event.d.ts

@@ -0,0 +1,33 @@
+import type { NextRequest } from './request';
+declare const responseSymbol: unique symbol;
+declare const passThroughSymbol: unique symbol;
+export declare const waitUntilSymbol: unique symbol;
+declare class FetchEvent {
+    readonly [waitUntilSymbol]: Promise<any>[];
+    [responseSymbol]?: Promise<Response>;
+    [passThroughSymbol]: boolean;
+    constructor(_request: Request);
+    respondWith(response: Response | Promise<Response>): void;
+    passThroughOnException(): void;
+    waitUntil(promise: Promise<any>): void;
+}
+export declare class NextFetchEvent extends FetchEvent {
+    sourcePage: string;
+    constructor(params: {
+        request: NextRequest;
+        page: string;
+    });
+    /**
+     * @deprecated The `request` is now the first parameter and the API is now async.
+     *
+     * Read more: https://nextjs.org/docs/messages/middleware-new-signature
+     */
+    get request(): void;
+    /**
+     * @deprecated Using `respondWith` is no longer needed.
+     *
+     * Read more: https://nextjs.org/docs/messages/middleware-new-signature
+     */
+    respondWith(): void;
+}
+export {};