import { Reader } from '../reader';
import { Writer } from '../writer';
export declare const empty: {
    reader: Reader<void>;
    writer: Writer<any>;
    createReader: () => Reader<void>;
    createWriter: () => Writer<any>;
};
export declare function reader<T>(read: () => T | undefined, stop?: (arg?: any) => void): Reader<T>;
export declare function writer<T>(write: (value: T | undefined) => void, stop?: (arg?: any) => void): Writer<T>;