/// <reference types="node" />
import { EventEmitter } from 'events';
export interface IThingsboardMqttClient {
    on(type: 'connecting', callback: () => void): any;
    on(type: 'disconnected', callback: () => void): any;
    on(type: 'connected', callback: () => void): any;
    connect(): Promise<any>;
    disconnect(): Promise<any>;
    /**
     * Update device client attributes on Thingsboard
     * @param deviceName The device name
     * @param attributes Attributes as an object of key value pairs
     * Resolves if attributes are updated, else rejects
     */
    updateClientAttributes(deviceName: string, attributes: any): Promise<any>;
    /**
     * Update device telemetry on Thingsboard
     * @param deviceName The device name
     * @param telemetry Telemetry as an object of key value pairs
     * Resolves if telemetry is updated, else rejects
     */
    updateDeviceTelemetry(deviceName: string, timestamp: number, telemetry: any): Promise<any>;
}
export declare class ThingsboardMqttClient extends EventEmitter implements IThingsboardMqttClient {
    private mqttGateway;
    constructor(siteURL: string, gatewayId: string, accessToken: string, isLocal: boolean);
    connect(): Promise<any>;
    disconnect(): Promise<any>;
    updateClientAttributes(deviceName: string, attributes: any): Promise<any>;
    updateDeviceTelemetry(deviceName: string, timestamp: number, telemetry: any): Promise<any>;
}