Add GPL modules

MediaBrowser.Controller/Channels/InternalChannelItemQuery.cs

@@ -0,0 +1,21 @@
+using MediaBrowser.Model.Channels;
+using System;
+
+
+namespace MediaBrowser.Controller.Channels
+{
+    public class InternalChannelItemQuery
+    {
+        public string FolderId { get; set; }
+
+        public Guid UserId { get; set; }
+
+        public int? StartIndex { get; set; }
+
+        public int? Limit { get; set; }
+
+        public ChannelItemSortField? SortBy { get; set; }
+
+        public bool SortDescending { get; set; }
+    }
+}