--- old/src/share/classes/com/sun/source/tree/UnionTypeTree.java	2013-10-03 22:24:36.000000000 -0700
+++ new/src/share/classes/com/sun/source/tree/UnionTypeTree.java	2013-10-03 22:24:36.000000000 -0700
@@ -34,7 +34,7 @@
  *
  * @since 1.7
  */
-@jdk.Supported
+@jdk.Exported
 public interface UnionTypeTree extends Tree {
     List<? extends Tree> getTypeAlternatives();
 }