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

// Copyright 2024 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_PERSISTENT_PROTO_INTERNAL_H_
#define COMPONENTS_METRICS_STRUCTURED_LIB_PERSISTENT_PROTO_INTERNAL_H_

#include <atomic>
#include <memory>
#include <string>

#include "base/files/file_path.h"
#include "base/files/important_file_writer.h"
#include "base/functional/callback_forward.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/time/time.h"
#include "base/types/expected.h"
#include "third_party/protobuf/src/google/protobuf/message_lite.h"

namespace metrics::structured {

// The result of reading a backing file from disk.
enum class ReadStatus { … };

// The result of writing a backing file to disk.
enum class WriteStatus { … };

namespace internal {

// Implementation to be used for PersistentProto. Refer to persistent_proto.h
// for more details.
class PersistentProtoInternal
    : public base::ImportantFileWriter::DataSerializer { … };

}  // namespace internal
}  // namespace metrics::structured

#endif  // COMPONENTS_METRICS_STRUCTURED_LIB_PERSISTENT_PROTO_INTERNAL_H_