SharpTuneCore.ECUMetaData.pullScalings C# (CSharp) Method

        public static void pullScalings(String fetchPath, ref List<XElement> xbs, ref List<XElement> xs)
        {
            if (fetchPath == null) return;
            List<XElement> xlist = new List<XElement>();
            XDocument xmlDoc = XDocument.Load(fetchPath, LoadOptions.PreserveWhitespace);
            var scalingQuery = from sc in xmlDoc.XPathSelectElements("/rom/scaling")
                               //where table.Ancestors("table").First().IsEmpty
                               select sc;
            foreach (XElement scaling in scalingQuery)
            {
                if (scaling.Attribute("storagetype") != null && scaling.Attribute("storagetype").Value == "bloblist")
                {
                    scaling.Attribute("storagetype").Remove();
                    xbs.Add(scaling);
                }
                else
                {
                    xs.Add(scaling);
                }
            }
            scalingQuery.ToList().ForEach(x => x.Remove());
            using (XmlTextWriter xmlWriter = new XmlTextWriter(fetchPath, new UTF8Encoding(false)))
            {
                xmlWriter.Formatting = Formatting.Indented;
                xmlWriter.Indentation = 4;
                xmlDoc.Save(xmlWriter);
            }
        }