import { NextApiRequest, NextApiResponse } from 'next';
/**
 * On-demand revalidation handler
 * https://nextjs.org/docs/basic-features/data-fetching/incremental-static-regeneration
 * @param req Request
 * @param res Response
 * @returns Result
 */
export declare function OnDemandHandler(token: string, scheme?: string): (req: NextApiRequest, res: NextApiResponse) => Promise<void>;