public function createSealedResponse(
        int $status,
        string $body,
        SealingPublicKey $key,
        array $headers = [],
        string $version = '1.1'
    ): ResponseInterface {
        $sealed = Simple::seal(
            $body,
            $key
        );
        return new Response(
            $status,
            $headers,
            Base64UrlSafe::encode($sealed),
            $version
        );
    }