import Emitter from '../Util/Emitter';
import { P2PConfig, trackerMessage } from '../Util/Types';
/**
 * @class
 * @description Communication class that uses a websocket,
 * it has events for the different expected received messages and the method send
 * @extends Emitter
 * @exports WsCommunication
 */
export default class WsCommunication extends Emitter {
    private readonly _config;
    private _ws?;
    private static appendQueryParams;
    /**
     * @constructs WsCommunication
     * @param {string} host Host URL
     * @public
     */
    constructor(config: P2PConfig);
    /**
     * Opens the websocket connection
     * @returns {WsCommunication} this
     * @public
     */
    start(): WsCommunication;
    /**
     * Sends the message using the socket
     * @param {trackerMessage} message Message object to be sent as a message by the websocket
     * @public
     */
    send(message?: trackerMessage): void;
    /**
     * Function to detect if the websocket has an active connection
     * @returns {boolean} if websocket is connected or not
     * @public
     */
    isConnected(): boolean;
    /**
     * Callback and function for closed websocket connection
     * Removes the listeners
     * @public
     */
    close(): void;
}