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diff --git a/ace/Pair_T.h b/ace/Pair_T.h
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+++ b/ace/Pair_T.h
@@ -0,0 +1,112 @@
+/* -*- C++ -*- */
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//    ace
+//
+// = FILENAME
+//    Pair_T.h
+//
+// = AUTHOR
+//    Irfan Pyarali
+//
+// ============================================================================
+
+#ifndef ACE_PAIR_T_H
+#define ACE_PAIR_T_H
+
+#include "ace/Pair.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+////////////////////////////////////////////////////////////////////////////////
+
+template <class T1, class T2>
+class ACE_Pair
+{
+  // = TITLE  
+  //     Defines a pair.
+  //
+  // = DESCRIPTION
+  //     Similar to the STL pair.
+public:
+
+  // = Traits.
+  typedef T1 first_type;
+  typedef T2 second_type;
+
+  // = Initialization and termination methods.
+  ACE_Pair (const T1 &t1, 
+            const T2 &t2);
+  // Constructor.
+
+  ACE_Pair (void);
+  // Default constructor.
+
+  T1 &first (void);
+  void first (const T1 &t1);
+  // Get/Set first.
+
+  T2 &second (void);
+  void second (const T2 &t2);
+  // Access second.
+
+protected:
+
+  T1 first_;
+  T2 second_;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+template <class T1, class T2>
+class ACE_Reference_Pair
+{
+  // = TITLE  
+  //     Defines a pair that only hold references.
+  //
+  // = DESCRIPTION
+  //     Similar to the STL pair (but restricted to holding references
+  //     and not copies).
+public:
+
+  // = Traits.
+  typedef T1 first_type;
+  typedef T2 second_type;
+
+  // = Initialization and termination methods.
+  ACE_Reference_Pair (T1 &t1, 
+                      T2 &t2);
+  // Constructor.
+
+  T1 &first (void);
+  // Access first.
+
+  T2 &second (void);
+  // Access second.
+
+protected:
+
+  T1 &first_;
+  T2 &second_;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+#if defined (__ACE_INLINE__)
+#include "ace/Pair_T.i"
+#endif /* __ACE_INLINE__ */
+
+#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
+#include "ace/Pair_T.cpp"
+#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
+
+#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
+#pragma implementation "Pair_T.cpp"
+#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
+
+#endif /* ACE_PAIR_T_H */