src/share/classes/com/sun/source/tree/UnionTypeTree.java

@@ -32,9 +32,9 @@
  *
  * @author Maurizio Cimadamore
  *
  * @since 1.7
  */
-@jdk.Supported
+@jdk.Exported
 public interface UnionTypeTree extends Tree {
     List<? extends Tree> getTypeAlternatives();
 }