src/share/classes/sun/awt/AWTAccessor.java

@@ -528,11 +528,16 @@
             throws InterruptedException, InvocationTargetException;
 
         /**
          * Sets the delegate for the EventQueue used by FX/AWT single threaded mode
          */
-        public void setFwDispatcher(EventQueue eventQueue, FwDispatcher dispatcher);
+        void setFwDispatcher(EventQueue eventQueue, FwDispatcher dispatcher);
+
+        /**
+         * Gets most recent event time in the EventQueue
+         */
+        long getMostRecentEventTime(EventQueue eventQueue);
     }
 
     /*
      * An accessor for the PopupMenu class
      */