public class MapDeviceLocationOptions 

var options = MapDeviceLocationService.Instance.GetDeviceLocationOptions();

var visibility = options.DeviceLocationVisibility;
var navMode = options.NavigationMode;
var trackUp = options.TrackUpNavigation;
var showBuffer = options.ShowAccuracyBuffer;

var currentOptions = MapDeviceLocationService.Instance.GetDeviceLocationOptions();
if (currentOptions == null)
  return;

currentOptions.DeviceLocationVisibility = true;
currentOptions.NavigationMode = MappingDeviceLocationNavigationMode.KeepAtCenter;

await QueuedTask.Run(() =>
{
  MapDeviceLocationService.Instance.SetDeviceLocationOptions(currentOptions);
});