src/java.desktop/share/classes/java/awt/SequencedEvent.java

*** 53,67 ****
--- 53,69 ----
      private static final int ID =
          java.awt.event.FocusEvent.FOCUS_LAST + 1;
      private static final LinkedList<SequencedEvent> list = new LinkedList<>();
  
      private final AWTEvent nested;
+     @SuppressWarnings("serial") // Not statically typed as Serializable
      private AppContext appContext;
      private boolean disposed;
      private final LinkedList<AWTEvent> pendingEvents = new LinkedList<>();
  
      private static boolean fxAppThreadIsDispatchThread;
+     @SuppressWarnings("serial") // Not statically typed as Serializable
      private Thread fxCheckSequenceThread;
      static {
          AWTAccessor.setSequencedEventAccessor(new AWTAccessor.SequencedEventAccessor() {
              public AWTEvent getNested(AWTEvent sequencedEvent) {
                  return ((SequencedEvent)sequencedEvent).nested;