src/java.base/share/classes/jdk/internal/misc/JavaLangAccess.java

*** 246,251 ****
--- 246,256 ----
      /**
       * Returns a stream of the layers that have modules defined to the
       * given class loader.
       */
      Stream<ModuleLayer> layers(ClassLoader loader);
+ 
+     /**
+      * Loads a derived ValueType class
+      */
+     Class<?> loadValueTypeClass(Module module, ClassLoader loader, String name);
  }