import type { Request, Response } from 'express';
export interface MiddlewareOptions {
    /**
     * Max time to cache the pre-rendered html (in seconds).
     * @default 432000 seconds (5 days)
     */
    maxCacheTime?: number;
    /**
     * Buffer time to re-render without cold start (in seconds).
     * @default 3600 seconds (1 hour)
     */
    revalidateCacheTime?: number;
}
declare const _default: (options?: MiddlewareOptions) => (req: Request, res: Response, next: any) => Promise<any>;
export default _default;