src/share/classes/com/sun/source/util/SimpleTreeVisitor.java

@@ -31,10 +31,11 @@
  * A simple visitor for tree nodes.
  *
  * @author Peter von der Ahé
  * @since 1.6
  */
+@jdk.Supported
 public class SimpleTreeVisitor <R,P> implements TreeVisitor<R,P> {
     protected final R DEFAULT_VALUE;
 
     protected SimpleTreeVisitor() {
         DEFAULT_VALUE = null;