import type { Logger } from 'pino';
import type { SubscriptionInfo, SessionManagerInterface } from './types.js';
import { WebSocketEventEmitter } from './event-emitter.js';
export declare class WebSocketSessionManager implements SessionManagerInterface {
    private readonly logger;
    private readonly sessions;
    private readonly eventEmitter;
    private readonly sessionTimeout;
    private cleanupInterval?;
    constructor(logger: Logger, eventEmitter: WebSocketEventEmitter, sessionTimeout?: number);
    createSession(connectionId: string): void;
    removeSession(connectionId: string): void;
    addSubscription(connectionId: string, subscriptionId: string, info: SubscriptionInfo): void;
    removeSubscription(connectionId: string, subscriptionId: string): void;
    getSubscriptions(connectionId: string): Map<string, SubscriptionInfo> | undefined;
    updateActivity(connectionId: string): void;
    getMetadata(connectionId: string, key: string): unknown;
    setMetadata(connectionId: string, key: string, value: unknown): void;
    getActiveSessionCount(): number;
    getSessionInfo(connectionId: string): {
        createdAt: Date;
        lastActivity: Date;
        subscriptionCount: number;
    } | null;
    private startCleanupInterval;
    private cleanupInactiveSessions;
    stopCleanupInterval(): void;
    cleanup(): void;
}
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