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diff --git a/src/options/printer_modes.h b/src/options/printer_modes.h
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+/*********************                                                        */
+/*! \file printer_modes.h
+ ** \verbatim
+ ** Original author: Andrew Reynolds
+ ** Major contributors: Morgan Deters
+ ** Minor contributors (to current version): none
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2014  New York University and The University of Iowa
+ ** 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__PRINTER__MODES_H
+#define __CVC4__PRINTER__MODES_H
+
+#include <iostream>
+
+namespace CVC4 {
+
+/** Enumeration of model_format modes (how to print models from get-model command). */
+typedef enum {
+  /** default mode (print expressions in the output language format) */
+  MODEL_FORMAT_MODE_DEFAULT,
+  /** print functional values in a table format */
+  MODEL_FORMAT_MODE_TABLE,
+} ModelFormatMode;
+
+/** Enumeration of inst_format modes (how to print models from get-model command). */
+typedef enum {
+  /** default mode (print expressions in the output language format) */
+  INST_FORMAT_MODE_DEFAULT,
+  /** print as SZS proof */
+  INST_FORMAT_MODE_SZS,
+} InstFormatMode;
+
+std::ostream& operator<<(std::ostream& out, ModelFormatMode mode) CVC4_PUBLIC;
+std::ostream& operator<<(std::ostream& out, InstFormatMode mode) CVC4_PUBLIC;
+
+}/* CVC4 namespace */
+
+#endif /* __CVC4__PRINTER__MODEL_FORMAT_H */