diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/share/classes/sun/print/AttributeUpdater.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/print/AttributeUpdater.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2000 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.print;
+
+import javax.print.attribute.PrintServiceAttributeSet;
+
+/*
+ * For use in updating listeners on attribute set changes.
+ * Services which support this will report just the attributes changed
+ * since the last call on this method. There should only be one client of
+ * this method on a particular print service.
+ * It is used to reduce the work in event notification: ie the callee can
+ * better optimise the returned value than could the caller by sifting
+ * through all attributes.
+ */
+interface AttributeUpdater {
+  PrintServiceAttributeSet getUpdatedAttributes();
+}