private function addAssets(): void
    {
        $GLOBALS['TL_CSS'][] = Debug::uncompressedFile('bundles/codefogtags/selectize.min.css');
        $GLOBALS['TL_CSS'][] = Debug::uncompressedFile('bundles/codefogtags/backend.min.css');

        if (!\in_array('assets/jquery/js/jquery.min.js', (array) $GLOBALS['TL_JAVASCRIPT'], true)
            && !\in_array('assets/jquery/js/jquery.js', (array) $GLOBALS['TL_JAVASCRIPT'], true)
        ) {
            $GLOBALS['TL_JAVASCRIPT'][] = Debug::uncompressedFile('assets/jquery/js/jquery.min.js');
        }

        $GLOBALS['TL_JAVASCRIPT'][] = Debug::uncompressedFile('bundles/codefogtags/selectize.min.js');
        $GLOBALS['TL_JAVASCRIPT'][] = Debug::uncompressedFile('bundles/codefogtags/widget.min.js');
        $GLOBALS['TL_JAVASCRIPT'][] = Debug::uncompressedFile('bundles/codefogtags/backend.min.js');
    }