src/java.instrument/share/classes/java/lang/instrument/ClassFileTransformer.java

@@ -227,10 +227,11 @@
      *         if the input does not represent a well-formed class file
      * @return a well-formed class file buffer (the result of the transform),
      *         or {@code null} if no transform is performed
      *
      * @since  9
+     * @spec JPMS
      */
     default byte[]
     transform(  Module              module,
                 ClassLoader         loader,
                 String              className,