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diff --git a/libjava/classpath/javax/rmi/CORBA/ValueHandlerMultiFormat.java b/libjava/classpath/javax/rmi/CORBA/ValueHandlerMultiFormat.java
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+/* ValueHandlerMultiFormat.java --
+   Copyright (C) 2005 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 javax.rmi.CORBA;
+
+import org.omg.CORBA.portable.OutputStream;
+
+import java.io.Serializable;
+
+/**
+ * This interface extends the previous ValueHandler, supporting various stream
+ * format versions. The {@link ValueHandler} can be casted into this interface
+ * to access additional features.
+ * 
+ * @since 1.5
+ * 
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public interface ValueHandlerMultiFormat
+  extends ValueHandler
+{
+  /**
+   * Get the maximal supported version for the value types, supported by
+   * this value handler. The versions are integer numbers, the currently valid
+   * values being 1 and 2.
+   * 
+   * These two versions differ in how the additional data, stored by the
+   * writeObject method, are encoded.
+   * <ul>
+   * <li> For version 1 (GNU Classpath default), that data (if present) are
+   * written "as is". </li>
+   * <li>For version 2, this data fragment is enclosed within a CDR custom
+   * valuetype with no codebase and repository Id "RMI:org.omg.custom.<class>"
+   * where <class> is the fully-qualified name of the class whose writeObject
+   * method is being invoked. If the object does not write any data via
+   * writeObject method, the null valuetype (0x0) must be written.</li>
+   * </ul>
+   * As the version number is part of the value type record, there is no need
+   * to the format control during the reading.
+   * 
+   * @return the maximal supported version.
+   */
+  byte getMaximumStreamFormatVersion();
+
+  /**
+   * Write the value type to the output stream using the given format version.
+   * The older method {@link ValueHandler#writeValue} always uses the version 1.
+   * 
+   * @param output the stream, where the value should be written, must implement
+   * {@link ValueOutputStream}.
+   * @param value the value that should be written.
+   * @param version the version of the format that must be used to write the
+   * value.
+   * 
+   * @throws BAD_PARAM if the version number is less than 1 or greater than the
+   * maximal supported version.
+   */
+  void writeValue(OutputStream output, Serializable value, byte version);
+}