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diff --git a/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteAtomicCounters.h b/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteAtomicCounters.h
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+++ b/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteAtomicCounters.h
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+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// RewriteAtomicCounters: Change atomic counter buffers to storage buffers, with atomic counter
+// variables being offsets into the uint array of that storage buffer.
+
+#ifndef COMPILER_TRANSLATOR_TREEOPS_REWRITEATOMICCOUNTERS_H_
+#define COMPILER_TRANSLATOR_TREEOPS_REWRITEATOMICCOUNTERS_H_
+
+#include "common/angleutils.h"
+
+namespace sh
+{
+class TCompiler;
+class TIntermBlock;
+class TIntermTyped;
+class TSymbolTable;
+class TVariable;
+
+[[nodiscard]] bool RewriteAtomicCounters(TCompiler *compiler,
+ TIntermBlock *root,
+ TSymbolTable *symbolTable,
+ const TIntermTyped *acbBufferOffsets);
+} // namespace sh
+
+#endif // COMPILER_TRANSLATOR_TREEOPS_REWRITEATOMICCOUNTERS_H_