/**
 * @param {FetchEvent} event
 * @param {string} requestId
 * @param {number} requestInterceptedAt
 */
declare function handleRequest(event: FetchEvent, requestId: string, requestInterceptedAt: number): Promise<Response>;
/**
 * Resolve the main client for the given event.
 * Client that issues a request doesn't necessarily equal the client
 * that registered the worker. It's with the latter the worker should
 * communicate with during the response resolving phase.
 * @param {FetchEvent} event
 * @returns {Promise<Client | undefined>}
 */
declare function resolveMainClient(event: FetchEvent): Promise<Client | undefined>;
/**
 * @param {FetchEvent} event
 * @param {Client | undefined} client
 * @param {string} requestId
 * @param {number} requestInterceptedAt
 * @returns {Promise<Response>}
 */
declare function getResponse(event: FetchEvent, client: Client | undefined, requestId: string, requestInterceptedAt: number): Promise<Response>;
/**
 * @param {Client} client
 * @param {any} message
 * @param {Array<Transferable>} transferrables
 * @returns {Promise<any>}
 */
declare function sendToClient(client: Client, message: any, transferrables?: Array<Transferable>): Promise<any>;
/**
 * @param {Response} response
 * @returns {Response}
 */
declare function respondWithMock(response: Response): Response;
/**
 * @param {Request} request
 */
declare function serializeRequest(request: Request): Promise<{
    url: string;
    mode: RequestMode;
    method: string;
    headers: {
        [k: string]: any;
    };
    cache: RequestCache;
    credentials: RequestCredentials;
    destination: RequestDestination;
    integrity: string;
    redirect: RequestRedirect;
    referrer: string;
    referrerPolicy: ReferrerPolicy;
    body: ArrayBuffer;
    keepalive: boolean;
}>;
/**
 * Mock Service Worker.
 * @see https://github.com/mswjs/msw
 * - Please do NOT modify this file.
 */
declare const PACKAGE_VERSION: "2.12.8";
declare const INTEGRITY_CHECKSUM: "4db4a41e972cec1b64cc569c66952d82";
declare const IS_MOCKED_RESPONSE: unique symbol;
declare const activeClientIds: Set<any>;