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diff --git a/cpp/src/qpid/broker/DeliveryAdapter.h b/cpp/src/qpid/broker/DeliveryAdapter.h
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+++ b/cpp/src/qpid/broker/DeliveryAdapter.h
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+/*
+ *
+ * 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.
+ *
+ */
+#ifndef _DeliveryAdapter_
+#define _DeliveryAdapter_
+
+#include "BrokerMessageBase.h"
+#include "qpid/framing/amqp_types.h"
+
+namespace qpid {
+namespace broker {
+
+    /**
+     * The intention behind this interface is to separate the generic
+     * handling of some form of message delivery to clients that is
+     * contained in the version independent Channel class from the
+     * details required for a particular situation or
+     * version. i.e. where the existing adapters allow (through
+     * supporting the generated interface for a version of the
+     * protocol) inputs of a channel to be adapted to the version
+     * independent part, this does the same for the outputs.
+     */
+    class DeliveryAdapter
+    {
+    public:
+        virtual framing::RequestId getNextDeliveryTag() = 0;
+        virtual void deliver(Message::shared_ptr& msg, framing::RequestId tag) = 0;
+        virtual ~DeliveryAdapter(){}
+    };
+
+}}
+
+
+#endif