Values.ForecastGeofenceEventsDeviceStateSourceThe device's position and speed.
type nonrec t = {position : Position.t;The device's position.
*)speed : ForecastGeofenceEventsDeviceStateSpeedDouble.t option;The device's speed.
*)}val to_value :
t ->
[> `Structure of
(string
* [> `Double of ForecastGeofenceEventsDeviceStateSpeedDouble.t
| `List of [> `Double of Double.t ] list ])
list ]