import { Request, Response } from 'express';
import { Shopify } from '@shopify/shopify-api';
interface RespondToInvalidSessionTokenParams {
    api: Shopify;
    req: Request;
    res: Response;
    message: string;
    retryRequest?: boolean;
}
/**
 * Responds to a request whose session token is missing, stale, or unverifiable.
 *
 * - Document requests (no Authorization header, e.g. an embedded page load)
 *   get the App Bridge bounce so the browser fetches a fresh token and reloads.
 * - Fetch requests (Authorization header present) get a 401. The
 *   `X-Shopify-Retry-Invalid-Session-Request` header is added only when a retry
 *   would help (`retryRequest`), so App Bridge refetches with a new token;
 *   it is omitted when re-auth is required (e.g. a revoked access token).
 */
export declare function respondToInvalidSessionToken({ api, req, res, message, retryRequest, }: RespondToInvalidSessionTokenParams): void;
export {};
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