/// <reference types="node" />
import { EventEmitter } from "events";
import { IDevice } from "./models/device";
import { IDiscoverConfig } from "./models/discover-config";
import { ILogger } from "./models/logger";
/**
 * The class to discover yeelight device on wifi network using UDP package
 * @constructor
 * @param {string} title - Yeelight Discover
 * @param {string} author - samuraitruong@hotmail.com
 */
export declare class Discover extends EventEmitter {
    private logger?;
    private devices;
    private timer;
    private options;
    private client;
    private clientBound;
    private isDestroyed;
    /**
     * @constructor
     * @param {IDiscoverConfig } options discover object include the port and multicast host.
     * see {@link IDiscoverConfig} for more detail
     * @param {ILogger} logger  the application logger which implement of log, info, debug and error function
     */
    constructor(options: IDiscoverConfig, logger?: ILogger);
    /**
     * Try to verify if the light on and listening on the know ip address
     * @param ipAddress : know IP Address of the light.
     */
    detectLightIP(ipAddress: string): Promise<IDevice>;
    /**
     * Perfrom IP port scan to find an IP with port 55443 open rather than using SSDP discovery method
     * @requires {Promise<IDevice[]>} promise of list of device found
     */
    scanByIp(): Promise<IDevice[]>;
    /**
     * The class to discover yeelight device on wifi network using UDP package
     * You need to turn on "LAN Control" on phone app to get SSDP discover function work
     * @returns {Promise<IDevice[]>} a promise that could resolve to 1 or many devices on the network
     */
    start(): Promise<IDevice[]>;
    /**
     * Clean up resource and close all open connection,
     * call this function after you finish your action to avoid memory leak
     * @returns {Promise} return a promise, fullfil will call after internal socket connection dropped
     */
    destroy(): Promise<void>;
    /**
     * Internal function to handle socket error
     * @param error Error details
     */
    private onError;
    /**
     * Generate the UDP message to discover device on local network.
     */
    private getMessage;
    /**
     * The event run when recieved the message devices
     * @param {Buffer} buffer the buffer revieved from the socket
     * @param {AddressInfo} address the TCP info of the devices who send the message
     */
    private onSocketMessage;
    /**
     * Add the new discovered device into the internal list
     * @param {IDevice} device - the new device found from network
     * @returns {0 |1 } return 0 if device already existing, 1 if new device added to the list
     */
    private addDevice;
}