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+/*********************                                                        */
+/*! \file proof.h
+ ** \verbatim
+ ** Original author: mdeters
+ ** Major contributors: none
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 prototype.
+ ** Copyright (c) 2009, 2010, 2011  The Analysis of Computer Systems Group (ACSys)
+ ** Courant Institute of Mathematical Sciences
+ ** New York University
+ ** See the file COPYING in the top-level source directory for licensing
+ ** information.\endverbatim
+ **
+ ** \brief [[ Add one-line brief description here ]]
+ **
+ ** [[ Add lengthier description here ]]
+ ** \todo document this file
+ **/
+
+#include "cvc4_public.h"
+
+#ifndef __CVC4__PROOF_H
+#define __CVC4__PROOF_H
+
+#include <iostream>
+
+namespace CVC4 {
+
+class CVC4_PUBLIC Proof {
+public:
+  virtual void toStream(std::ostream& out) = 0;
+};/* class Proof */
+
+}/* CVC4 namespace */
+
+#endif /* __CVC4__PROOF_H */