import { WebSocket } from 'ws';
import Client from "../Interfaces/Client";
export default class WebSocketManager {
    private static instance;
    private clients;
    private channels;
    private idGenerator;
    constructor();
    static getInstance(): WebSocketManager;
    addClient(ws: WebSocket): Client;
    removeClient(client: Client): void;
    subscribeClientToChannel(client: Client, channel: string): void;
    unsubscribeClientFromChannel(client: Client, channel: string): void;
    sendMessageToChannel(channel: string, message: string): void;
    broadcastMessage(message: string): void;
    sendMessageToClient(clientId: string, message: string): void;
}
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