--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.prefs/share/classes/java/util/prefs/NodeChangeEvent.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2000, 2003, 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.
+ */
+
+package java.util.prefs;
+
+import java.io.NotSerializableException;
+
+/**
+ * An event emitted by a {@code Preferences} node to indicate that
+ * a child of that node has been added or removed.<p>
+ *
+ * Note, that although NodeChangeEvent inherits Serializable interface from
+ * java.util.EventObject, it is not intended to be Serializable. Appropriate
+ * serialization methods are implemented to throw NotSerializableException.
+ *
+ * @author  Josh Bloch
+ * @see     Preferences
+ * @see     NodeChangeListener
+ * @see     PreferenceChangeEvent
+ * @since   1.4
+ * @serial  exclude
+ */
+
+public class NodeChangeEvent extends java.util.EventObject {
+    /**
+     * The node that was added or removed.
+     *
+     * @serial
+     */
+    private Preferences child;
+
+    /**
+     * Constructs a new {@code NodeChangeEvent} instance.
+     *
+     * @param parent  The parent of the node that was added or removed.
+     * @param child   The node that was added or removed.
+     */
+    public NodeChangeEvent(Preferences parent, Preferences child) {
+        super(parent);
+        this.child = child;
+    }
+
+    /**
+     * Returns the parent of the node that was added or removed.
+     *
+     * @return  The parent Preferences node whose child was added or removed
+     */
+    public Preferences getParent() {
+        return (Preferences) getSource();
+    }
+
+    /**
+     * Returns the node that was added or removed.
+     *
+     * @return  The node that was added or removed.
+     */
+    public Preferences getChild() {
+        return child;
+    }
+
+    /**
+     * Throws NotSerializableException, since NodeChangeEvent objects are not
+     * intended to be serializable.
+     */
+     private void writeObject(java.io.ObjectOutputStream out)
+                                               throws NotSerializableException {
+         throw new NotSerializableException("Not serializable.");
+     }
+
+    /**
+     * Throws NotSerializableException, since NodeChangeEvent objects are not
+     * intended to be serializable.
+     */
+     private void readObject(java.io.ObjectInputStream in)
+                                               throws NotSerializableException {
+         throw new NotSerializableException("Not serializable.");
+     }
+
+    // Defined so that this class isn't flagged as a potential problem when
+    // searches for missing serialVersionUID fields are done.
+    private static final long serialVersionUID = 8068949086596572957L;
+}