Add GPL modules

MediaBrowser.Model/Serialization/IXmlSerializer.cs

@@ -0,0 +1,46 @@
+using System;
+using System.IO;
+
+namespace MediaBrowser.Model.Serialization
+{
+    public interface IXmlSerializer
+    {
+        /// <summary>
+        /// Deserializes from stream.
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <param name="stream">The stream.</param>
+        /// <returns>System.Object.</returns>
+        object DeserializeFromStream(Type type, Stream stream);
+
+        /// <summary>
+        /// Serializes to stream.
+        /// </summary>
+        /// <param name="obj">The obj.</param>
+        /// <param name="stream">The stream.</param>
+        void SerializeToStream(object obj, Stream stream);
+
+        /// <summary>
+        /// Serializes to file.
+        /// </summary>
+        /// <param name="obj">The obj.</param>
+        /// <param name="file">The file.</param>
+        void SerializeToFile(object obj, string file);
+
+        /// <summary>
+        /// Deserializes from file.
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <param name="file">The file.</param>
+        /// <returns>System.Object.</returns>
+        object DeserializeFromFile(Type type, string file);
+        
+        /// <summary>
+        /// Deserializes from bytes.
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <param name="buffer">The buffer.</param>
+        /// <returns>System.Object.</returns>
+        object DeserializeFromBytes(Type type, byte[] buffer);
+    }
+}