Add GPL modules

MediaBrowser.Controller/Library/ILibraryMonitor.cs

@@ -0,0 +1,43 @@
+using System;
+
+namespace MediaBrowser.Controller.Library
+{
+    public interface ILibraryMonitor : IDisposable
+    {
+        /// <summary>
+        /// Starts this instance.
+        /// </summary>
+        void Start();
+
+        /// <summary>
+        /// Stops this instance.
+        /// </summary>
+        void Stop();
+
+        /// <summary>
+        /// Reports the file system change beginning.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        void ReportFileSystemChangeBeginning(string path);
+
+        /// <summary>
+        /// Reports the file system change complete.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <param name="refreshPath">if set to <c>true</c> [refresh path].</param>
+        void ReportFileSystemChangeComplete(string path, bool refreshPath);
+
+        /// <summary>
+        /// Reports the file system changed.
+        /// </summary>
+        /// <param name="path">The path.</param>
+        void ReportFileSystemChanged(string path);
+
+        /// <summary>
+        /// Determines whether [is path locked] [the specified path].
+        /// </summary>
+        /// <param name="path">The path.</param>
+        /// <returns><c>true</c> if [is path locked] [the specified path]; otherwise, <c>false</c>.</returns>
+        bool IsPathLocked(string path);
+    }
+}