--- a/jaxp/src/com/sun/org/apache/xml/internal/serializer/ToUnknownStream.java	Wed Jul 02 14:38:36 2014 -0700
+++ b/jaxp/src/com/sun/org/apache/xml/internal/serializer/ToUnknownStream.java	Tue Jul 29 20:52:36 2014 -0700
@@ -1335,4 +1335,12 @@
                 ch.length);
         }
     }
+
+    /**
+     * @see org.apache.xml.serializer.Serializer#asDOM3Serializer()
+     */
+    public Object asDOM3Serializer() throws IOException
+    {
+        return m_handler.asDOM3Serializer();
+    }
 }