[Constructor(optional SensorOptions options), Exposed=Window]
interface GeolocationSensor : Sensor {
  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;
};