diff -r 8c0b6bccfe47 -r 0989ad8c0860 src/share/jaxws_classes/com/sun/xml/internal/ws/api/WSBinding.java
--- a/src/share/jaxws_classes/com/sun/xml/internal/ws/api/WSBinding.java	Thu Apr 04 19:05:24 2013 -0700
+++ b/src/share/jaxws_classes/com/sun/xml/internal/ws/api/WSBinding.java	Tue Apr 09 14:51:13 2013 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, 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
@@ -39,6 +39,7 @@
 import java.util.List;
 import java.util.Set;
 
+
 /**
  * JAX-WS implementation of {@link Binding}.
  *
@@ -97,7 +98,8 @@
      */
     @NotNull BindingID getBindingId();
 
-    @NotNull List<Handler> getHandlerChain();
+    @NotNull@Override
+    List<Handler> getHandlerChain();
 
     /**
      * Checks if a particular {@link WebServiceFeature} is enabled.
@@ -188,10 +190,20 @@
             @NotNull final QName messageName);
 
     /**
-     * Returns set of header QNames known to be supported by this binding.  Tubes should use this
-     * Set to add QNames for headers they process so that must-understand processing can validate
-     * headers on inbound messages
+     * Returns set of header QNames known to be supported by this binding.
      * @return Set of known QNames
      */
     @NotNull Set<QName> getKnownHeaders();
+
+    /**
+     * Adds header QName to set known to be supported by this binding
+     * @param knownHeader Known header QName
+     * @return true, if new entry was added; false, if known header QName was already known
+     */
+    boolean addKnownHeader(QName knownHeader);
+
+    /**
+     * @return A MessageContextFactory configured according to the binding's features.
+     */
+    @NotNull com.oracle.webservices.internal.api.message.MessageContextFactory getMessageContextFactory();
 }