import session from 'express-session';
import { Request } from 'express';
export declare class Session {
    private readonly req;
    readonly session: session.SessionData;
    constructor(req: Request);
    has(key: string): boolean;
    get<T>(key: string, defaultValue?: T): T | undefined;
    set<T>(key: string, value: T): void;
    flash(key: string, msg: any): number;
    getFlash(key: string): string[];
    reflash(key: string): string[];
    destroy(): Promise<void>;
}