import { IncomingHttpHeaders } from 'http';
import { NextApiRequest, NextApiResponse } from 'next';

interface CreateApiHandlerOptions {
    /**
     * If set overrides the API Base URL. Usually, this URL
     * is taken from the ORY_KRATOS_URL environment variable.
     *
     * If you don't have a project you can use the playground project SDK URL:
     *
     *  https://playground.projects.oryapis.com
     */
    apiBaseUrlOverride?: string;
    /**
     * Per default, this handler will strip the cookie domain from
     * the Set-Cookie instruction which is recommended for most set ups.
     *
     * If you are running this app on a subdomain and you want the session and CSRF cookies
     * to be valid for the whole TLD, you can use this setting to force a cookie domain.
     *
     * Please be aware that his method disables the `dontUseTldForCookieDomain` option.
     */
    forceCookieDomain?: string;
    /**
     * Per default the cookie will be set on the hosts top-level-domain. If the app
     * runs on www.example.org, the cookie domain will be set automatically to example.org.
     *
     * Set this option to true to disable that behaviour.
     */
    dontUseTldForCookieDomain?: boolean;
    /**
     * If set to true will set the "Secure" flag for all cookies. This might come in handy when you deploy
     * not on Vercel.
     */
    forceCookieSecure?: boolean;
    /**
     * If set to true will fallback to the playground if no other value is set for the Ory SDK URL.
     */
    fallbackToPlayground?: boolean;
    /**
     * Per default headers are filtered to forward only a fixed list.
     *
     * If you need to forward additional headers you can use this setting to define them.
     */
    forwardAdditionalHeaders?: string[];
}

declare function filterRequestHeaders(headers: IncomingHttpHeaders, forwardAdditionalHeaders?: string[]): Headers;
/**
 * The NextJS API configuration
 */
declare const config: {
    api: {
        bodyParser: boolean;
    };
};
/**
 * Creates a NextJS / Vercel API Handler
 *
 * For this handler to work, please set the environment variable `ORY_SDK_URL`.
 */
declare function createApiHandler(options: CreateApiHandlerOptions): (req: NextApiRequest, res: NextApiResponse<string>) => Promise<void>;

export { config, createApiHandler, filterRequestHeaders };