import persist from 'node-persist';
import express from 'express';
export declare function getFridaScript(script_path: string | URL): Promise<string>;
export declare const LIMIT_REQUESTS = 4;
export declare const LIMIT_PERIOD: number;
export declare function checkUseLimit(storage: persist.LocalStorage, key: string, user: string, req: express.Request, 
/** Set to false to count the attempt but ignore the limit */ ratelimit?: boolean, limits?: [requests: number, period_ms: number]): Promise<void>;