import * as session from 'express-session';
export declare class MemSessionStore extends session.Store {
    private readonly sessionMap;
    constructor(ttl: number, maxCapacity?: number);
    all: (callback: (error: any, values: any) => void) => void;
    clear: (callback?: (err?: any) => void) => void;
    destroy: (sessionId: string, callback?: (error?: any) => void) => void;
    get: (sessionId: string, callback: (error: any, session: any) => void) => void;
    length: (callback: (error: any, length: number) => void) => void;
    set: (sessionId: string, session: any, callback?: (error?: any) => void) => void;
    touch: (sessionId: string, session: any, callback?: (error?: any) => any) => void;
}