import { Logging } from 'homebridge';
export type MqttMessageCallback = (deviceSerial: string) => void;
export declare class EzvizMqttClient {
    private readonly pushAddr;
    private readonly sessionId;
    private readonly username;
    private readonly log;
    private mqttClient;
    private clientId;
    private ticket;
    private readonly topic;
    private onMessage;
    constructor(pushAddr: string, sessionId: string, username: string, onMessage: MqttMessageCallback, log: Logging);
    connect(): Promise<void>;
    stop(): void;
    private register;
    private startPush;
    private stopPush;
    private connectMqtt;
    private decodePayload;
}