Implement syncplay backend

MediaBrowser.Model/Syncplay/GroupInfoModel.cs

@@ -0,0 +1,38 @@
+namespace MediaBrowser.Model.Syncplay
+{
+    /// <summary>
+    /// Class GroupInfoModel.
+    /// </summary>
+    public class GroupInfoView
+    {
+        /// <summary>
+        /// Gets or sets the group identifier.
+        /// </summary>
+        /// <value>The group identifier.</value>
+        public string GroupId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the playing item id.
+        /// </summary>
+        /// <value>The playing item id.</value>
+        public string PlayingItemId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the playing item name.
+        /// </summary>
+        /// <value>The playing item name.</value>
+        public string PlayingItemName { get; set; }
+
+        /// <summary>
+        /// Gets or sets the position ticks.
+        /// </summary>
+        /// <value>The position ticks.</value>
+        public long PositionTicks { get; set; }
+
+        /// <summary>
+        /// Gets or sets the partecipants.
+        /// </summary>
+        /// <value>The partecipants.</value>
+        public string[] Partecipants { get; set; }
+    }
+}