import type { Request } from 'express';
import type { hooks } from '@balena/pinejs';
/**
 * Trigger a prefetch of the api key which is not awaited, stored in `req.prefetchApiKey`, which can be later consumed by `retrieveAPIKey`
 */
export declare const prefetchAPIKey: (req: (hooks.HookReq & Pick<Request, "prefetchApiKey">) | Request, tx: Tx | undefined) => void;
/**
 * Ensure `req.apiKey` is set if it should be, using the prefetched apiKey if it exists
 */
export declare const retrieveAPIKey: (req: (hooks.HookReq & Pick<Request, "prefetchApiKey">) | Request, tx: Tx | undefined) => Promise<void>;