/**
 * Parse + validate `authorization_details`. Accepts either a JSON string
 * (front-channel query) or an already-parsed array (PAR / JSON body), and
 * returns the normalized array. Absent input returns `undefined`.
 *
 * @param {unknown} raw
 * @param {{ allowedTypes?: string[], redirectableState?: string }} [options]
 * @returns {unknown[] | undefined}
 */
export function validateAuthorizationDetails(raw: unknown, options?: {
    allowedTypes?: string[];
    redirectableState?: string;
}): unknown[] | undefined;