export function memoryStore(options?: {}): {
    get(key: any): Promise<{
        count: number;
        expiresAt: number;
    } | null>;
    read(key: any): Promise<{
        count: number;
        expiresAt: number;
    } | null>;
    incr(key: any, ttlMs: any): Promise<{
        count: number;
        expiresAt: any;
    }>;
    set(key: any, count: any, ttlMs: any): Promise<void>;
    decr(key: any): Promise<void>;
    compareAndSet(key: any, expected: any, value: any, ttlMs: any): Promise<boolean>;
    delete(key: any): Promise<void>;
    reset(key: any): Promise<void>;
    _size: () => number;
    _stop: () => void;
};