diff -r c0d44b1e6b6a -r 379c04c090cf src/share/classes/com/sun/source/tree/UnionTypeTree.java
--- a/src/share/classes/com/sun/source/tree/UnionTypeTree.java	Fri Oct 04 19:38:55 2013 +0400
+++ b/src/share/classes/com/sun/source/tree/UnionTypeTree.java	Fri Oct 04 10:00:28 2013 -0700
@@ -34,7 +34,7 @@
  *
  * @since 1.7
  */
-@jdk.Supported
+@jdk.Exported
 public interface UnionTypeTree extends Tree {
     List<? extends Tree> getTypeAlternatives();
 }