chromium/components/history/core/browser/sync/history_sync_metadata_database.h

// 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 COMPONENTS_HISTORY_CORE_BROWSER_SYNC_HISTORY_SYNC_METADATA_DATABASE_H_
#define COMPONENTS_HISTORY_CORE_BROWSER_SYNC_HISTORY_SYNC_METADATA_DATABASE_H_

#include <string>

#include "base/memory/raw_ptr.h"
#include "components/sync/base/data_type.h"
#include "components/sync/model/sync_metadata_store.h"

namespace base {
class Time;
}

namespace sql {
class Database;
class MetaTable;
}  // namespace sql

namespace syncer {
class MetadataBatch;
}

namespace history {

// A sync metadata database maintains two things: the entity metadata table and
// the datatype state, stored in the MetaTable. The entity metadata table
// contains metadata (sync states) for each entity. The datatype state is the
// overall state of the history sync datatype.
class HistorySyncMetadataDatabase : public syncer::SyncMetadataStore { … };

}  // namespace history

#endif  // COMPONENTS_HISTORY_CORE_BROWSER_SYNC_HISTORY_SYNC_METADATA_DATABASE_H_