import type { RequestHandler } from 'express';
import { type permissions } from '@balena/pinejs';
export declare const defaultGetAuthorizedKeysFn: (req: permissions.PermissionReq, username: string) => Promise<string>;
declare let getAuthorizedKeys: (req: permissions.PermissionReq, username: string) => Promise<string>;
/**
 * Set the function used to get the authorized keys for a user.
 */
export declare const setGetAuthorizedKeysFn: ($getAuthorizedKeys: typeof getAuthorizedKeys) => void;
export declare const getUserPublicKeys: RequestHandler;
export {};