import { IncomingMessage } from "http";
import { AddressInfo } from "net";
export type Next = (e?: Error) => void;
type EndTimer = () => [number, number];
export interface HttpError extends Error {
    code?: string;
    statusCode?: number;
    status?: number;
    expose?: boolean;
}
export declare function createDurationTimer(req: IncomingMessage): EndTimer;
export declare function addressToString(addr: string | AddressInfo | null): string;
export {};