chromium/components/metrics/structured/lib/key_data_file_delegate.h

// Copyright 2023 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_METRICS_STRUCTURED_LIB_KEY_DATA_FILE_DELEGATE_H_
#define COMPONENTS_METRICS_STRUCTURED_LIB_KEY_DATA_FILE_DELEGATE_H_

#include <memory>
#include <string>

#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "components/metrics/structured/lib/key_data.h"
#include "components/metrics/structured/lib/persistent_proto.h"
#include "components/metrics/structured/lib/proto/key.pb.h"

namespace base {

class FilePath;
class TimeDelta;

}  // namespace base

namespace metrics::structured {

// File-backed KeyData::StorageDelegate implementation using PersistentProto,
// stored at the path given to the constructor that will persist any changes on
// |save_delay| cadence.
class KeyDataFileDelegate : public KeyData::StorageDelegate { … };

}  // namespace metrics::structured

#endif  // COMPONENTS_METRICS_STRUCTURED_LIB_KEY_DATA_FILE_DELEGATE_H_