--- jsr166/src/main/java/util/Vector.java	2019/08/30 18:05:39	1.56
+++ jsr166/src/main/java/util/Vector.java	2019/10/10 16:53:08	1.57
@@ -102,6 +102,7 @@ public class Vector<E>
      *
      * @serial
      */
+    @SuppressWarnings("serial") // Conditionally serializable
     protected Object[] elementData;
 
     /**