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diff --git a/cpp/src/qpid/messaging/amqp/SessionContext.h b/cpp/src/qpid/messaging/amqp/SessionContext.h
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+++ b/cpp/src/qpid/messaging/amqp/SessionContext.h
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+#ifndef QPID_MESSAGING_AMQP_SESSIONCONTEXT_H
+#define QPID_MESSAGING_AMQP_SESSIONCONTEXT_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 <map>
+#include <string>
+#include <boost/shared_ptr.hpp>
+#include "qpid/sys/IntegerTypes.h"
+#include "qpid/framing/SequenceNumber.h"
+
+struct pn_connection_t;
+struct pn_session_t;
+struct pn_delivery_t;
+
+namespace qpid {
+namespace messaging {
+
+class Address;
+class Duration;
+
+namespace amqp {
+
+class ConnectionContext;
+class SenderContext;
+class ReceiverContext;
+/**
+ *
+ */
+class SessionContext
+{
+  public:
+    SessionContext(pn_connection_t*);
+    ~SessionContext();
+    boost::shared_ptr<SenderContext> createSender(const qpid::messaging::Address& address);
+    boost::shared_ptr<ReceiverContext> createReceiver(const qpid::messaging::Address& address);
+    boost::shared_ptr<SenderContext> getSender(const std::string& name) const;
+    boost::shared_ptr<ReceiverContext> getReceiver(const std::string& name) const;
+    void closeReceiver(const std::string&);
+    void closeSender(const std::string&);
+    boost::shared_ptr<ReceiverContext> nextReceiver(qpid::messaging::Duration timeout);
+    uint32_t getReceivable();
+    uint32_t getUnsettledAcks();
+    bool settled();
+  private:
+    friend class ConnectionContext;
+    typedef std::map<std::string, boost::shared_ptr<SenderContext> > SenderMap;
+    typedef std::map<std::string, boost::shared_ptr<ReceiverContext> > ReceiverMap;
+    typedef std::map<qpid::framing::SequenceNumber, pn_delivery_t*> DeliveryMap;
+    pn_session_t* session;
+    SenderMap senders;
+    ReceiverMap receivers;
+    DeliveryMap unacked;
+    qpid::framing::SequenceNumber next;
+
+    qpid::framing::SequenceNumber record(pn_delivery_t*);
+    void acknowledge();
+    void acknowledge(const qpid::framing::SequenceNumber& id, bool cummulative);
+    void acknowledge(DeliveryMap::iterator begin, DeliveryMap::iterator end);
+};
+}}} // namespace qpid::messaging::amqp
+
+#endif  /*!QPID_MESSAGING_AMQP_SESSIONCONTEXT_H*/