const HEADER = '<?xml version="1.0" encoding="UTF-8" ?>\n' ; const URL_SET = `<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" 
    xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
    xmlns:xhtml="http://www.w3.org/1999/xhtml">` ; export { HEADER , URL_SET } ;