export interface HttpSessionActivity {
    lastActivity: number;
    activeRequests: number;
}
export declare function beginSessionRequest(session: HttpSessionActivity, now?: number): void;
export declare function endSessionRequest(session: HttpSessionActivity, now?: number): void;
export declare function isSessionExpired(session: HttpSessionActivity, ttlMs: number, now?: number): boolean;
//# sourceMappingURL=http-sessions.d.ts.map