/// <reference types="node" />
import { EventEmitter } from 'events';
import type { Controller } from '../Controller';
export interface IUnifiWebSocketsProps {
    controller: Controller;
    url: string;
    strictSSL?: boolean;
    isController?: boolean;
}
export declare class UnifiWebsockets extends EventEmitter {
    private controller;
    private readonly url;
    private isClosed;
    private readonly autoReconnectInterval;
    private ws;
    private readonly strictSSL;
    private pingPongInterval;
    private isReconnecting;
    static globalWS: EventEmitter;
    private readonly isController;
    private static UnifiWebSockets;
    constructor(props: IUnifiWebSocketsProps);
    initWebSockets(): Promise<void>;
    /**
     * reconnect to websocket
     */
    private _reconnect;
    /**
     * closes all the websockets
     */
    static closeSockets(): void;
    /**
     * close this websocket connection
     */
    close(): void;
    /**
     * emit an event on multiple events emitter
     * @param event - an event
     * @param args - an args
     */
    private _emit;
    /**
     * Handle event for a site
     * @param event - event
     */
    private _handleSiteEvent;
    /**
     * globally handle event
     * @param data - websocket data
     */
    private _handleEvent;
}