chromium/components/optimization_guide/core/optimization_guide_store.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_OPTIMIZATION_GUIDE_CORE_OPTIMIZATION_GUIDE_STORE_H_
#define COMPONENTS_OPTIMIZATION_GUIDE_CORE_OPTIMIZATION_GUIDE_STORE_H_

#include <map>
#include <optional>
#include <string>

#include "base/containers/flat_set.h"
#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "base/version.h"
#include "components/leveldb_proto/public/proto_database.h"
#include "components/leveldb_proto/public/proto_database_provider.h"
#include "components/optimization_guide/core/memory_hint.h"
#include "components/optimization_guide/core/store_update_data.h"
#include "components/optimization_guide/proto/models.pb.h"

class PrefService;

namespace base {
class SequencedTaskRunner;
}  // namespace base

namespace optimization_guide {
namespace proto {
class StoreEntry;
}  // namespace proto

// The backing store for hints, which is responsible for storing all hints
// locally on-device. While the HintCache itself may retain some hints in a
// memory cache, all of its hints are initially loaded asynchronously by the
// store. All calls to this store must be made from the same thread.
class OptimizationGuideStore { … };

}  // namespace optimization_guide

#endif  // COMPONENTS_OPTIMIZATION_GUIDE_CORE_OPTIMIZATION_GUIDE_STORE_H_