import { DeviceHello, DeviceInstallLog, PairRecordPayload } from '../types';
import { UsbmuxSession } from './usbmux';
export declare class RelayClient {
    private readonly webSocketUrl;
    private readonly session;
    private readonly deviceHello;
    private readonly log;
    private socket?;
    private streams;
    private frameQueue;
    private closed;
    private pairRecordWaiter?;
    constructor(webSocketUrl: string, session: UsbmuxSession, deviceHello: DeviceHello, log: DeviceInstallLog);
    connect(): Promise<void>;
    startPairing(): Promise<PairRecordPayload>;
    startInstall(pairRecord: PairRecordPayload): Promise<void>;
    close(): void;
    private enqueueFrame;
    private handleFrame;
    private handleError;
    private handlePairRecordReady;
    private handleOpenStream;
    private pumpDeviceToServer;
    private send;
}