#ifndef CHROME_BROWSER_METRICS_TAB_STATS_TAB_STATS_DATA_STORE_H_
#define CHROME_BROWSER_METRICS_TAB_STATS_TAB_STATS_DATA_STORE_H_
#include <array>
#include <memory>
#include <optional>
#include <vector>
#include "base/containers/flat_map.h"
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/profiler/sample_metadata.h"
#include "base/sequence_checker.h"
#include "chrome/browser/metrics/tab_stats/tab_stats_observer.h"
#include "chrome/browser/resource_coordinator/lifecycle_unit_state.mojom.h"
#include "content/public/browser/visibility.h"
LifecycleUnitDiscardReason;
class PrefService;
namespace content {
class WebContents;
}
metrics
#endif