      received.
      
      */
-    open var mediaResponses: String?
+    open var mediaResponses: [String]?
     
     /**
      
      Allows inclusion of all the URLs pointing to a media object.
      
      */
-    open var mediaBackLinks: String?
+    open var mediaBackLinks: [String]?
     
     /**
      

     media. It contains 14 attributes, most of which are optional.
     
     */
    open var mediaContent: MediaContent?
    
    /**
     

     only be used for this purpose.
     
     */
    open var mediaGroup: MediaGroup?
    
    /**
     
