/// <reference types="node" />
import http from 'http';
import { Event } from './lambda';
export declare function normalizeHeaders(rawHeaders: http.IncomingMessage['headers']): {
    headers: import("lambda-types").Params;
    multiValueHeaders: import("lambda-types").MultiValueParams;
};
export declare function getQueryStringParameters(query: string): {
    queryStringParameters: import("lambda-types").Params;
    multiValueQueryStringParameters: import("lambda-types").MultiValueParams;
};
/**
 * Generic util. This is now exported.
 *
 * TODO extract this?
 */
export declare function requestToEvent(req: http.IncomingMessage): Promise<Event>;