Add GPL modules

MediaBrowser.Model/Playlists/PlaylistItemQuery.cs

@@ -0,0 +1,37 @@
+using MediaBrowser.Model.Querying;
+
+namespace MediaBrowser.Model.Playlists
+{
+    public class PlaylistItemQuery
+    {
+        /// <summary>
+        /// Gets or sets the identifier.
+        /// </summary>
+        /// <value>The identifier.</value>
+        public string Id { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user identifier.
+        /// </summary>
+        /// <value>The user identifier.</value>
+        public string UserId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the start index.
+        /// </summary>
+        /// <value>The start index.</value>
+        public int? StartIndex { get; set; }
+
+        /// <summary>
+        /// Gets or sets the limit.
+        /// </summary>
+        /// <value>The limit.</value>
+        public int? Limit { get; set; }
+
+        /// <summary>
+        /// Gets or sets the fields.
+        /// </summary>
+        /// <value>The fields.</value>
+        public ItemFields[] Fields { get; set; }
+    }
+}