import { PolyfillCoreConfig, PolyfillIoAot } from '@polyfill-io-aot/core';
import { RequestHandler } from 'express';
/** Express request handler with polyfill-io-aot attached */
export declare type PolyfillIoAotRequestHandler = RequestHandler & {
    readonly aot: PolyfillIoAot;
};
/**
 * Create an Express request handler to serve polyfill bundles
 * @param init polyfill-io-aot configuration or instance
 */
export declare function createRequestHandler(init?: Partial<PolyfillCoreConfig> | PolyfillIoAot): PolyfillIoAotRequestHandler;