--- old/src/java.base/share/classes/jdk/internal/misc/JavaLangAccess.java	2018-07-16 12:07:00.000000000 -0700
+++ new/src/java.base/share/classes/jdk/internal/misc/JavaLangAccess.java	2018-07-16 12:06:59.000000000 -0700
@@ -35,6 +35,7 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Stream;
 
@@ -273,4 +274,10 @@
      * @throws IllegalArgumentException for malformed surrogates
      */
     byte[] getBytesUTF8NoRepl(String s);
+
+    /**
+     * Returns the names listed in {@code "ValueTypes"} attribute
+     * of the current class.
+     */
+    Set<String> getDeclaredValueTypeNames(Class<?> current);
 }