chromium/components/user_education/common/feature_promo_idle_observer.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_USER_EDUCATION_COMMON_FEATURE_PROMO_IDLE_OBSERVER_H_
#define COMPONENTS_USER_EDUCATION_COMMON_FEATURE_PROMO_IDLE_OBSERVER_H_

#include <optional>

#include "base/callback_list.h"
#include "base/functional/callback_forward.h"
#include "base/time/time.h"

namespace user_education {

class FeaturePromoStorageService;

// Used to observe the system/application idle state. Override virtual methods
// for testing.
class FeaturePromoIdleObserver {};

}  // namespace user_education

#endif  // COMPONENTS_USER_EDUCATION_COMMON_FEATURE_PROMO_IDLE_OBSERVER_H_