export declare class TslMqttClient {
  onMessageCallBacks: Array<any>;
  subscribeTopics: Array<string>;
  public connectMqtt(url: string, opti?: object): void;
  public subscribe(topic: string | Array<string>);
  public unsubscribe(topic: string | Array<string>);
  public onMessage(callback: Function): void;
  public publish(
    topic: string,
    message?: string,
    options?: object,
    callback?: Function
  ): void;
  public end(): void;
}
