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+/*********************                                                        */
+/*! \file apply_to_const.h
+ ** \verbatim
+ ** Top contributors (to current version):
+ **   Haniel Barbosa
+ ** 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 ApplyToConst preprocessing pass
+ **
+ ** Rewrites applies to constants
+ **/
+
+#include "cvc4_private.h"
+
+#ifndef __CVC4__PREPROCESSING__PASSES__APPLY_TO_CONST_H
+#define __CVC4__PREPROCESSING__PASSES__APPLY_TO_CONST_H
+
+#include <unordered_map>
+
+#include "expr/node.h"
+#include "preprocessing/preprocessing_pass.h"
+#include "preprocessing/preprocessing_pass_context.h"
+
+namespace CVC4 {
+namespace preprocessing {
+namespace passes {
+
+using NodeMap = std::unordered_map<Node, Node, NodeHashFunction>;
+
+class ApplyToConst : public PreprocessingPass
+{
+ public:
+  ApplyToConst(PreprocessingPassContext* preprocContext);
+
+ protected:
+  PreprocessingPassResult applyInternal(
+      AssertionPipeline* assertionsToPreprocess) override;
+
+ private:
+  Node rewriteApplyToConst(TNode n, NodeMap& cache);
+};
+
+}  // namespace passes
+}  // namespace preprocessing
+}  // namespace CVC4
+
+#endif /* __CVC4__PREPROCESSING__PASSES__APPLY_TO_CONST_H */