/**
 * @typedef {import("express").RequestHandler} RequestHandler
 * @access private
 */
/**
 * Data middleware.
 *
 * 2 middleware: one to generate the csrf token and check its validity (POST
 * only), and one to provide that token to templates via the `casa.csrfToken`
 * variable.
 *
 * @returns {RequestHandler[]} Middleware functions
 */
export default function csrfMiddleware(): RequestHandler[];
export type RequestHandler = import("express").RequestHandler;