/**
 * mqtt客户端
 */
export default class MqttClient {
    constructor(opts: any);
    opts: any;
    eventConnect(): void;
    eventMessage(topic: any, message: any): void;
    eventReconnect(): void;
    eventClose(): void;
    eventOffline(): void;
    eventError(error: any): void;
    eventEnd(): void;
    eventPacketsend(packet: any): void;
    eventPacketreceive(packet: any): void;
    setOpts(opts: any): void;
    start(): void;
    publishJson(topic: any, data: any): false | undefined;
    end(): false | undefined;
    client: any;
}
export const instance: MqttClient;