/**
 * Create a wrapper function that forces SSL on requests in production mode.
 * @param fetch a function that accepts a request and returns an HTTP response
 */
export declare function forceSSL(fetch: (input: RequestInfo, init?: RequestInit) => Promise<Response>): (req: Request, opts?: any) => Response | Promise<Response>;
declare const utilities: {
    forceSSL: typeof forceSSL;
};
export default utilities;