public function getAvailableFormats(AdminInterface $admin): array
    {
        $adminExportFormats = $admin->getExportFormats();

        // NEXT_MAJOR : compare with null
        if ($adminExportFormats !== ['json', 'xml', 'csv', 'xls']) {
            return $adminExportFormats;
        }

        return $this->exporter->getAvailableFormats();
    }