import { IframeRouteEndpoint, DataConfig } from '../common/types';
/**
 * This factory wraps the user-defined data getter.  This wrapper
 * takes care of the data localStorage management for each user-defined
 * `DataConfig` object passed into `createIframe`.
 *
 * One of these endpoints will be created per user-defined localStorage
 * value.  Each is added to the routes of the iframe, and await calls
 * from the application.
 */
export declare const iframeEndpointFactory: ({ handler, dataKey, expires }: DataConfig) => IframeRouteEndpoint;