import EventEmitter from 'events';
import http from 'http';
import { WebSocket } from 'ws';
import { HttpServer } from './HttpServer.js';
import { AuthToken, User } from './User.js';
export type AuthData = {
    roomId?: number;
    credentials?: {
        register?: boolean;
        username: string;
        password: string;
    };
    token?: Partial<AuthToken>;
};
export type ConnectionAcceptedEvent = {
    webSocket: WebSocket;
    request: http.IncomingMessage;
    data: AuthData;
    user?: User;
};
/**
 * @emits connection-accepted
 */
export declare class AuthBridge extends EventEmitter {
    static readonly TICK_INTERVAL: number;
    static readonly MAX_REGISTER_PER_HOUR = 1;
    static readonly MAX_LOGIN_PER_MINUTE = 10;
    static readonly MAX_GUEST_PER_MINUTE = 8;
    static readonly MAX_TOKEN_AUTH_PER_MINUTE = 20;
    /**
     * Max number of websockets pending for authentication per IP.
     */
    static readonly WS_MAX_PENDING_FOR_AUTH_PER_IP = 3;
    private readonly server;
    private readonly pendingSockets;
    private readonly registerLimiter;
    private readonly loginLimiter;
    private readonly guestLimiter;
    private readonly tokenAuthLimiter;
    constructor(server: HttpServer);
    start(): void;
    private onConnectionAccepted;
    private tick;
    private onConnectionUpgraded;
    private onMessage;
    private sendError;
}