// Copyright 2022 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef CHROME_BROWSER_EXTENSIONS_PREF_TRANSFORMER_INTERFACE_H_ #define CHROME_BROWSER_EXTENSIONS_PREF_TRANSFORMER_INTERFACE_H_ #include <optional> #include <string> namespace base { class Value; } namespace extensions { class PrefTransformerInterface { … }; } // namespace extensions #endif // CHROME_BROWSER_EXTENSIONS_PREF_TRANSFORMER_INTERFACE_H_