      
      - Parameter mediaBrowser: MediaBrowser
      */
-    func mediaBrowserDidFinishModalPresentation(mediaBrowser: MediaBrowser)
+    @objc optional func mediaBrowserDidFinishModalPresentation(mediaBrowser: MediaBrowser)
 
     /**
      Optional protocol to show thumbnail. return media.

     - Parameter index: Int
     - Parameter mediaBrowser: MediaBrowser
     */
    func mediaDid(selected: Bool, at index: Int, in mediaBrowser: MediaBrowser)
    
    
    /**

     - Parameter photoIndex: Int
     - Parameter mediaBrowser: MediaBrowser
     */
    @objc optional func actionButtonPressed(at photoIndex: Int, in mediaBrowser: MediaBrowser, sender: Any?)
    
    
    /**
