import { RPCChannel } from "./channel";
export declare class TestChannel implements RPCChannel {
    private _received;
    get received(): import("rxjs").Observable<string>;
    send(message: string): void;
    /**
     * How long do you want messages received to be delayed by.
     */
    receiveDelay: number;
    sendDelay: number;
    private receive;
    private otherChannel;
    static makePair(): [TestChannel, TestChannel];
}