/**
  Authentication middleware.

  Any route can require authentication if it contains the lock emoji in its name.
*/
import type { NextHandler } from 'polka';
import type { KittenRequest, KittenResponse, KittenPolka } from '../types/index.ts';
export default function (app: KittenPolka): (request: KittenRequest, response: KittenResponse, next: NextHandler) => Promise<void>;