diff -r 000000000000 -r 959103a6100f src/share/classes/javax/lang/model/util/package-info.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/javax/lang/model/util/package-info.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * Utilities to assist in the processing of
+ * {@linkplain javax.lang.model.element program elements} and
+ * {@linkplain javax.lang.model.type types}.
+ *
+ * <p> Unless otherwise specified in a particular implementation, the
+ * collections returned by methods in this package should be expected
+ * to be unmodifiable by the caller and unsafe for concurrent access.
+ *
+ * <p> Unless otherwise specified, methods in this package will throw
+ * a {@code NullPointerException} if given a {@code null} argument.
+ *
+ * @author Joseph D. Darcy
+ * @author Scott Seligman
+ * @author Peter von der Ah&eacute;
+ * @since 1.6
+ */
+package javax.lang.model.util;