--- old/src/share/classes/com/sun/source/tree/TreeVisitor.java	2013-02-14 16:55:35.000000000 -0800
+++ new/src/share/classes/com/sun/source/tree/TreeVisitor.java	2013-02-14 16:55:35.000000000 -0800
@@ -56,6 +56,7 @@
  *
  * @since 1.6
  */
+@jdk.Supported
 public interface TreeVisitor<R,P> {
     R visitAnnotatedType(AnnotatedTypeTree node, P p);
     R visitAnnotation(AnnotationTree node, P p);