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diff --git a/qpid/cpp/src/qpid/framing/Visitor.h b/qpid/cpp/src/qpid/framing/Visitor.h
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-#ifndef QPID_FRAMING_VISITOR_H
-#define QPID_FRAMING_VISITOR_H
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
- *
- */
-
-#include <boost/mpl/vector.hpp>
-#include <boost/type_traits/remove_reference.hpp>
-#include <boost/preprocessor/seq/for_each.hpp>
-
-namespace qpid {
-namespace framing {
-
-/** @file Generic visitor pattern. */
-
-/** visit() interface for type T (optional return type R, default void.)
- * To create a visitor for a set of types T1, T2 ... do this:
- * struct MyVisitor : public Visit<T1>, public Visit<T2> ... {};
- *@param T Type to visit, must be forward declared, need not be defined.
- */
-template <class T, class R=void> struct Visit {
- typedef R ReturnType;
- typedef T VisitType;
-
- virtual ~Visit() {}
- virtual R visit(T&) = 0;
-};
-
-
-#define QPID_VISITOR_DECL(_1,_2,T) class T;
-
-#define QPID_VISITOR_BASE(_1,_2,T) , public ::qpid::framing::Visit<T>
-
-/** Convenience macro to generate a visitor interface.
- * QPID_VISITOR(MyVisitor,(A)(B)(C)); is equivalent to:
- * @code
- * class A; class B; class C;
- * class MyVisitor : public Visit<A> , public Visit<B> , public Visit<C> {};
- * @endcode
- * @param visitor name of the generated visitor class.
- * @param bases a sequence of visitable types in the form (T1)(T2)...
- * The odd parenthesized notation is due to quirks of the preprocesser.
- */
-#define QPID_VISITOR(visitor,types) \
- BOOST_PP_SEQ_FOR_EACH(QPID_VISITOR_DECL, _, types) \
- class visitor : public ::qpid::framing::Visit<BOOST_PP_SEQ_HEAD(types)> \
- BOOST_PP_SEQ_FOR_EACH(QPID_VISITOR_BASE, _, BOOST_PP_SEQ_TAIL(types)) \
- {}
-
-/** Root class for hierarchy of objects visitable by Visitor V.
- * Defines virtual accept()
- */
-template <class V, class R=void>
-struct VisitableRoot {
- typedef V VisitorType;
- typedef R ReturnType;
- virtual ~VisitableRoot() {}
- virtual R accept(V& v) = 0;
-};
-
-/** Base class for concrete visitable classes, implements accept().
- * @param T type of visitable class (CRTP)
- * @param Base base class to inherit from.
- */
-template <class T, class Base>
-struct Visitable : public Base {
- void accept(typename Base::VisitorType& v) {
- static_cast<Visit<T>& >(v).visit(static_cast<T&>(*this));
- }
-};
-
-}} // namespace qpid::framing
-
-#endif /*!QPID_FRAMING_VISITOR_H*/