import { Middleware } from './middleware';
import { IncomingMessage, ServerResponse } from './http';
export declare type OnErrorHandler = (err: any, req: IncomingMessage, res: ServerResponse, next: () => void) => void;
export declare type OnNoMatchHandler = (req: IncomingMessage, res: ServerResponse) => void;
export interface Polka {
    use(base: string | Middleware, ...fns: Middleware[]): Polka;
    listen(port: number, hostname: string): Promise<void>;
    handler(req: IncomingMessage, res: ServerResponse, info?: string): any;
    apps: object;
    parse(req: IncomingMessage): any;
    server: any;
    onError: any;
    onNoMatch: any;
}