docs: @NonNull
    public static LocationEngine getBestLocationEngine(@NonNull Context context) {
      checkNotNull(context, "context == null");
  
      boolean hasGoogleLocationServices = isOnClasspath(GOOGLE_LOCATION_SERVICES);
      if (isOnClasspath(GOOGLE_API_AVAILABILITY)) {
        // Check Google Play services APK is available and up-to-date on this device
        hasGoogleLocationServices &= GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(context)
          == ConnectionResult.SUCCESS;
      }
      return getLocationEngine(context, hasGoogleLocationServices);
    }