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diff --git a/src/stlplus/persistence/persistent_smart_ptr.hpp b/src/stlplus/persistence/persistent_smart_ptr.hpp
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+++ b/src/stlplus/persistence/persistent_smart_ptr.hpp
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+#ifndef STLPLUS_PERSISTENT_SMART_PTR
+#define STLPLUS_PERSISTENT_SMART_PTR
+////////////////////////////////////////////////////////////////////////////////
+
+//   Author:    Andy Rushton
+//   Copyright: (c) Southampton University 1999-2004
+//              (c) Andy Rushton           2004-2009
+//   License:   BSD License, see ../docs/license.html
+
+//   Persistence of STLplus smart_ptr
+
+////////////////////////////////////////////////////////////////////////////////
+#include "persistence_fixes.hpp"
+#include "persistent_contexts.hpp"
+#include "smart_ptr.hpp"
+
+////////////////////////////////////////////////////////////////////////////////
+
+namespace stlplus
+{
+
+  // smart_ptr - uses dump/restore_pointer on the contents
+
+  template<typename T, typename DE>
+  void dump_smart_ptr(dump_context&, const smart_ptr<T>& data, DE dump_element)
+    throw(persistent_dump_failed);
+
+  template<typename T, typename RE>
+  void restore_smart_ptr(restore_context&, smart_ptr<T>& data, RE restore_element)
+    throw(persistent_restore_failed);
+
+  // smart_ptr_clone using the polymorphic callback approach - uses dump/restore_callback on the contents
+
+  template<typename T>
+  void dump_smart_ptr_clone_callback(dump_context&, const smart_ptr_clone<T>& data)
+    throw(persistent_dump_failed);
+
+  template<typename T>
+  void restore_smart_ptr_clone_callback(restore_context&, smart_ptr_clone<T>& data)
+    throw(persistent_restore_failed);
+
+  // smart_ptr_clone using the interface approach - uses dump/restore_interface on the contents
+
+  template<typename T>
+  void dump_smart_ptr_clone_interface(dump_context&, const smart_ptr_clone<T>& data)
+    throw(persistent_dump_failed);
+
+  template<typename T>
+  void restore_smart_ptr_clone_interface(restore_context&, smart_ptr_clone<T>& data)
+    throw(persistent_restore_failed);
+
+  // smart_ptr_nocopy is not made persistent because if it is uncopyable, it must be undumpable
+
+} // end namespace stlplus
+
+  ////////////////////////////////////////////////////////////////////////////////
+#include "persistent_smart_ptr.tpp"
+#endif