import * as http from 'node:http';
export type Request = {
    body?: string;
    path: string;
    query: string;
    method: string;
    headers: {
        [key: string]: string | undefined;
    };
};
export type Response = {
    body?: string;
    headers?: {
        [key: string]: string;
    };
    status?: number;
};
export type Handler = (req: Request) => Promise<Response | void>;
export declare function parseBody<T>(req: Request): T;
export declare function serve(handler: Handler, port?: number, callback?: (port: number) => void): Promise<http.Server>;