/// <reference path="../adonis-typings/index.d.ts" />
import { XFrameOptions } from '@ioc:Adonis/Addons/Shield';
import { noop } from './noop';
/**
 * Factory function that returns a function to set `X-Frame-Options` header
 * based upon given user options.
 */
export declare function frameGuardFactory(options: XFrameOptions): typeof noop;