/// <reference types="node" />
import { EventEmitter } from 'events';
import { Message } from './Message';
/**
 * Simplest possible communications channel, for testing.
 *
 * Example:
 * ```ts
 * const channel = new TestChannel()
 * channel.on('data', msg => {
 *   console.log(msg)
 * })
 * channel.write('hello, world') // logs 'hello, world'
 * ```
 */
export declare class TestChannel extends EventEmitter {
    private peers;
    private buffer;
    addPeer(): void;
    write(id: string, msg: Message): void;
}