added cast icon to now playing bar to send current media to another client

MediaBrowser.Controller/Library/ISearchEngine.cs

@@ -0,0 +1,20 @@
+using MediaBrowser.Controller.Entities;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Controller.Library
+{
+    /// <summary>
+    /// Interface ILibrarySearchEngine
+    /// </summary>
+    public interface ISearchEngine
+    {
+        /// <summary>
+        /// Gets the search hints.
+        /// </summary>
+        /// <param name="inputItems">The input items.</param>
+        /// <param name="searchTerm">The search term.</param>
+        /// <returns>Task{IEnumerable{SearchHintInfo}}.</returns>
+        Task<IEnumerable<SearchHintInfo>> GetSearchHints(IEnumerable<BaseItem> inputItems, string searchTerm);
+    }
+}