[Constructor(optional GeolocationSensorOptions options), SecureContext, Exposed=Window]
interface GeolocationSensor : Sensor {
  static Promise<GeolocationSensorReading> read(optional ReadOptions readOptions);
  readonly attribute unrestricted double? latitude;
  readonly attribute unrestricted double? longitude;
  readonly attribute unrestricted double? altitude;
  readonly attribute unrestricted double? accuracy;
  readonly attribute unrestricted double? altitudeAccuracy;
  readonly attribute unrestricted double? heading;
  readonly attribute unrestricted double? speed;
};

dictionary GeolocationSensorOptions : SensorOptions {
  // placeholder for GeolocationSensor-specific options
};

dictionary ReadOptions : GeolocationSensorOptions {
  AbortSignal? signal;
};

dictionary GeolocationSensorReading {
  DOMHighResTimeStamp? timestamp;
  double? latitude;
  double? longitude;
  double? altitude;
  double? accuracy;
  double? altitudeAccuracy;
  double? heading;
  double? speed;
};