#ifndef COMPONENTS_PREFS_PREF_NOTIFIER_IMPL_H_
#define COMPONENTS_PREFS_PREF_NOTIFIER_IMPL_H_
#include <list>
#include <memory>
#include <string>
#include <string_view>
#include <unordered_map>
#include "base/compiler_specific.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "base/sequence_checker.h"
#include "components/prefs/pref_notifier.h"
#include "components/prefs/pref_observer.h"
#include "components/prefs/prefs_export.h"
#include "components/prefs/transparent_unordered_string_map.h"
class PrefService;
class COMPONENTS_PREFS_EXPORT PrefNotifierImpl : public PrefNotifier { … };
#endif