import "#nitro-internal-pollyfills";
import type * as CF from "@cloudflare/workers-types";
import type { ExportedHandler } from "@cloudflare/workers-types";
type MaybePromise<T> = T | Promise<T>;
export declare function createHandler<Env>(hooks: {
    fetch: (...params: [
        ...Parameters<NonNullable<ExportedHandler<Env>["fetch"]>>,
        url: URL
    ]) => MaybePromise<Response | CF.Response | undefined>;
}): ExportedHandler<Env>;
export {};