/**
 * Create a new Response with a redirect set to the URL the user was before.
 * It uses the Referer header to detect the previous URL. It asks for a fallback
 * URL in case the Referer couldn't be found, this fallback should be a URL you
 * may be ok the user to land to after an action even if it's not the same.
 * @example
 * export async function action({ request }: ActionArgs) {
 *   await doSomething(request);
 *   // If the user was on `/search?query=something` we redirect to that URL
 *   // but if we couldn't we redirect to `/search`, which is an good enough
 *   // fallback
 *   return redirectBack(request, { fallback: "/search" });
 * }
 */
export declare function redirectBack(
  request: Request,
  {
    fallback,
    ...init
  }: ResponseInit & {
    fallback: string;
  }
): Response;