import { EventEmitter } from 'events';
import type { pino } from 'pino';
import type { SessionStore } from '../../store/session-store.interface.js';
import type { WSMessage } from '../../types/websocket.js';
import { HealthMonitor } from './health-monitor.js';
import { SessionManager } from './session-manager.js';
import { ErrorHandler } from './error-handler.js';
import type { WSServerOptions, WSServerStats, MessageFilter } from './types.js';
export declare class WSServer extends EventEmitter {
    private wss;
    private logger;
    private components;
    private dependencies;
    private isShuttingDown;
    constructor(logger: pino.Logger, sessionStore: SessionStore, options: WSServerOptions);
    broadcast(message: WSMessage, filter?: MessageFilter): void;
    sendToUser(userId: string, message: WSMessage): void;
    sendToSession(sessionId: string, message: WSMessage): void;
    broadcastToTopic(topic: string, data: unknown, filter?: MessageFilter): Promise<number>;
    getStats(): WSServerStats;
    getHealthStatus(): ReturnType<HealthMonitor['getHealthStatus']>;
    getErrorStats(): ReturnType<ErrorHandler['getErrorStats']>;
    getSessionStats(): ReturnType<SessionManager['getSessionStats']>;
    useMiddleware(name: string, middleware: (context: unknown, next: () => Promise<void>) => Promise<void>): void;
    shutdown(): Promise<void>;
    private setupServerEventHandlers;
    private sendMessage;
    private startBackgroundServices;
}
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