/// <reference types="node" />
import WebSocket, { Server, ServerOptions } from 'ws';
import ClientCommand from '../enum/ClientCommand';
import { EventEmitter } from 'events';
import Message from '../builder/Message';
export declare type WSParams = {
    id?: string;
    connectorId?: number;
};
export default class OCPPServer extends EventEmitter {
    ws: Server;
    constructor(options?: ServerOptions, callback?: () => void);
    on(event: ClientCommand | 'context_error' | string, listener: (this: OCPPServer, { ws, params, msg }: {
        ws: WebSocket;
        params: WSParams;
        msg: Message;
    }) => void): this;
    once(event: ClientCommand | 'context_error' | string, listener: (this: OCPPServer, { ws, params, msg }: {
        ws: WebSocket;
        params: WSParams;
        msg: Message;
    }) => void): this;
}