chromium/base/metrics/histogram_delta_serialization.h

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_METRICS_HISTOGRAM_DELTA_SERIALIZATION_H_
#define BASE_METRICS_HISTOGRAM_DELTA_SERIALIZATION_H_

#include <memory>
#include <string>
#include <vector>

#include "base/base_export.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram_flattener.h"
#include "base/metrics/histogram_snapshot_manager.h"
#include "base/threading/thread_checker.h"

namespace base {

class HistogramBase;

// Serializes and restores histograms deltas.
class BASE_EXPORT HistogramDeltaSerialization : public HistogramFlattener { … };

}  // namespace base

#endif  // BASE_METRICS_HISTOGRAM_DELTA_SERIALIZATION_H_