Как сериализовать и десериализовать объекты в XML на C# ?

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Serialization;
using System.IO;
using System.Xml;

namespace SomeNamespace
{
    internal static class SomeConfigurationSerializer
        where CONF_CLASS : class
    {
        public static CONF_CLASS String2Configuration(String source)
        {
            if (string.IsNullOrEmpty(source))
            {
                return null;
            }

            XmlSerializer serializer = new XmlSerializer(typeof(CONF_CLASS));
            UTF8Encoding encoding = new UTF8Encoding();
            Byte[] dataInBytes = encoding.GetBytes(source);
            using (MemoryStream stream = new MemoryStream(dataInBytes))
            {
                XmlTextReader xtr = new XmlTextReader(stream);
                CONF_CLASS result = (CONF_CLASS) serializer.Deserialize(xtr);
                return result;
            }
        }
        public static String Configuration2String(CONF_CLASS source) 
        {
            String result = null;
            XmlSerializer serializer = new XmlSerializer(typeof(CONF_CLASS));
            using (MemoryStream stream = new MemoryStream())
            {
                XmlTextWriter xtw = new XmlTextWriter(stream, Encoding.UTF8);
                serializer.Serialize(xtw, source);
                result = Encoding.UTF8.GetString(stream.ToArray());
            }            

            return result;
        }
    }
}