chromium/components/feature_engagement/internal/condition_validator.h

// Copyright 2017 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_FEATURE_ENGAGEMENT_INTERNAL_CONDITION_VALIDATOR_H_
#define COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_CONDITION_VALIDATOR_H_

#include <stdint.h>

#include <optional>
#include <ostream>
#include <string>
#include <vector>

#include "base/feature_list.h"
#include "components/feature_engagement/public/configuration.h"
#include "components/feature_engagement/public/feature_list.h"

namespace feature_engagement {
struct FeatureConfig;
class AvailabilityModel;
class DisplayLockController;
class EventModel;
class TimeProvider;

// A ConditionValidator checks the requred conditions for a given feature,
// and checks if all conditions are met.
class ConditionValidator { … };

std::ostream& operator<<(std::ostream& os,
                         const ConditionValidator::Result& result);

}  // namespace feature_engagement

#endif  // COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_CONDITION_VALIDATOR_H_