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diff --git a/src/prop/bv_sat_solver_notify.h b/src/prop/bv_sat_solver_notify.h
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+/*********************                                                        */
+/*! \file sat_solver_notify.h
+ ** \verbatim
+ ** Top contributors (to current version):
+ **   Liana Hadarean, Dejan Jovanovic, Morgan Deters
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2018 by the authors listed in the file AUTHORS
+ ** in the top-level source directory) and their institutional affiliations.
+ ** All rights reserved.  See the file COPYING in the top-level source
+ ** directory for licensing information.\endverbatim
+ **
+ ** \brief The interface for things that want to recieve notification from the
+ **        SAT solver
+ **/
+
+#include "cvc4_private.h"
+
+#ifndef __CVC4__PROP__BVSATSOLVERNOTIFY_H
+#define __CVC4__PROP__BVSATSOLVERNOTIFY_H
+
+#include "prop/sat_solver_types.h"
+
+namespace CVC4 {
+namespace prop {
+
+class BVSatSolverNotify {
+public:
+
+  virtual ~BVSatSolverNotify() {};
+
+  /**
+   * If the notify returns false, the solver will break out of whatever it's currently doing
+   * with an "unknown" answer.
+   */
+  virtual bool notify(SatLiteral lit) = 0;
+
+  /**
+   * Notify about a learnt clause.
+   */
+  virtual void notify(SatClause& clause) = 0;
+  virtual void spendResource(unsigned amount) = 0;
+  virtual void safePoint(unsigned amount) = 0;
+
+};/* class BVSatSolverInterface::Notify */
+
+}
+}
+
+#endif