--- old/src/java.base/share/classes/java/lang/UnsupportedOperationException.java	2019-08-27 17:27:41.674324386 -0700
+++ new/src/java.base/share/classes/java/lang/UnsupportedOperationException.java	2019-08-27 17:27:41.490324386 -0700
@@ -90,5 +90,6 @@
         super(cause);
     }
 
+    @java.io.Serial
     static final long serialVersionUID = -1242599979055084673L;
 }