chromium/components/segmentation_platform/internal/database/ukm_types.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_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_UKM_TYPES_H_
#define COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_UKM_TYPES_H_

#include <cstdint>

#include "base/containers/flat_map.h"
#include "base/containers/flat_set.h"
#include "base/functional/callback.h"
#include "base/time/time.h"
#include "base/types/id_type.h"
#include "components/segmentation_platform/public/proto/types.pb.h"
#include "components/segmentation_platform/public/types/processed_value.h"

namespace segmentation_platform {

// Max number of days to keep UKM metrics stored in database.
constexpr base::TimeDelta kNumDaysToKeepUkm = …;

UkmEventHash;
UkmMetricHash;
UrlId;

UkmEventsToMetricsMap;

// Represents an UMA metric or user action entry from the signal database.
struct UmaMetricEntry { … };

namespace processing {

// Intermediate representation of processed features from the metadata queries.
FeatureIndex;
IndexedTensors;

}  // namespace processing

}  // namespace segmentation_platform

#endif  // COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_UKM_TYPES_H_