public void XPathDocumentNamespaceXml()
        {
            var document = new XPathDocument(new StringReader(Xml));

            this.TimeIt(document.Namespaces().ToList);
        }
        public void XPathDocumentNamespaceFile()
        {
            var document = new XPathDocument(XmlPath);

            this.TimeIt(document.Namespaces().ToList);
        }