on
abstract fun onRoadShields(shields: List<Expected<RouteShieldError, RouteShieldResult>>)
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The callback is invoked when road shields are ready.
This returns a list of possible RouteShieldResult or RouteShieldError that can be used to render the shield on a UI.
To convert the returned SVG ByteArray to a Bitmap use RouteShield.toBitmap.
Parameters
shields
list of Expected wither containing RouteShieldError or RouteShieldResult