text: // Copyright 2020 The Chromium OS Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef DIAGNOSTICS_CROS_HEALTHD_EVENTS_LID_EVENTS_H_
  #define DIAGNOSTICS_CROS_HEALTHD_EVENTS_LID_EVENTS_H_
  
  #include "mojo/cros_healthd_events.mojom.h"
  
  namespace diagnostics {
  
  // Interface which allows clients to subscribe to lid-related events.
  class LidEvents {
   public:
    virtual ~LidEvents() = default;
  
    // Adds a new observer to be notified when lid-related events occur.
    virtual void AddObserver(
        chromeos::cros_healthd::mojom::CrosHealthdLidObserverPtr observer) = 0;
  };
  
  }  // namespace diagnostics
  
  #endif  // DIAGNOSTICS_CROS_HEALTHD_EVENTS_LID_EVENTS_H_
  