/**
 * Gets the `app.at_exp` cookie and converts it to milliseconds since epoch.
 * Returns -1 if the cookie is not present.
 * @param cookieName - defaults to `app.at_exp`.
 * @param adapter - SSR frameworks like Nuxt, Next, and angular/ssr will pass in an adapter.
 */
export declare function getAccessTokenExpirationMoment(cookieName?: string, adapter?: CookieAdapter): number | -1;
export interface CookieAdapter {
    /** returns the `app.at_exp` cookie without manipulating the value. */
    at_exp: (cookieName?: string) => number | string | undefined;
}