import WebSocket from 'ws';
import { BotInstance } from '../BotInstance';
import { MessageSource } from './MessageSource';
export default class WebSocketSource extends MessageSource {
    type: string;
    socket?: WebSocket;
    private compress;
    private helloTimeout;
    /**
     * -1 错误 0 未连接 1 拉取gateway 2 连接gateway 3 已连接gateway 4 已连接 5 心跳超时
     */
    private stage;
    private retryTimes;
    private url?;
    sessionId: string | undefined;
    heartbeatInterval: any;
    heartbeatTimeout: any;
    constructor(self: BotInstance, compress?: boolean);
    connect(): Promise<boolean>;
    private getGateWay;
    private dataHandler;
    private onData;
    private onOpen;
    private connectSocket;
    private onHelloTimeout;
    private nextStage;
    private retry;
    private handleHelloPacket;
    private handleReconnectPacket;
    private startHeartbeat;
    private heartbeat;
    private onHeartbeatTimeout;
    private safeCloseSocket;
}