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diff --git a/libjava/classpath/java/beans/DesignMode.java b/libjava/classpath/java/beans/DesignMode.java
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+/* java.beans.DesignMode
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.beans;
+
+/**
+ * <code>BeanContextChild</code> implementors implement this to get information about whether they are in a design time or runtime environment.
+ * The reason this is restricted to <code>BeanContextChild</code>ren is that
+ * only things in the <code>BeanContext</code> hierarchy are given this
+ * information in the first place.
+ *
+ * @author John Keiser
+ * @since JDK1.2
+ * @see java.beans.beancontext.BeanContextChild
+ */
+
+public interface DesignMode {
+	/**
+	 * Use this name when firing <code>PropertyChangeEvent</code>s from your Bean.  
+	 * @fixme Check whether PROPERTYNAME is set to same value as Sun.
+	 */
+	String PROPERTYNAME = "designTime";
+
+	/**
+	 * The environment will call this method on your
+	 * <code>BeanContextChild</code> when it is registered in a parent
+	 * <code>BeanContext</code> or when behavior needs to switch from
+	 * design time to runtime behavior (or vice versa).
+	 * <P>
+	 *
+	 * <code>BeanContext</code>s are required to fire
+	 * <code>PropertyChangeEvent</code>s when properties change.
+	 * <code>designTime</code> is a property, and therefore when you
+	 * implement <code>setDesignTime()</code>, you need to fire a
+	 * <code>PropertyChangeEvent</code> with the old value, the new
+	 * value and using <code>PROPERTYNAME</code> as the property name.
+	 *
+	 * @param designTime the new value of design time,
+	 *        <code>true</code> if it is design time,
+	 *        <code>false</code> if it is runtime.
+	 *
+	 * @fixme I'm frankly not really sure whether it's the case that
+	 *        the BeanContext can <em>change</em> the status of the Bean from
+	 *        design time to runtime.  But it appears that it may be so.
+	 *
+	 * @see java.util.PropertyChangeEvent
+	 * @see java.beans.beancontext.BeanContext
+	 * @see #PROPERTYNAME
+	 */
+	void setDesignTime(boolean designTime);
+
+	/**
+	 * This method should tell whether it is design time or runtime.
+	 * @return <code>true</code> if design time, <code>false</code> if
+	 *         runtime.
+	 */
+	boolean isDesignTime();
+}