fromUrlAsync

fun fromUrlAsync(url: Resource, options: SingleTileImageryProvider.Companion.fromUrlOptions? = definedExternally): ERROR CLASS: Symbol not found for Promise<cesium/engine/SingleTileImageryProvider>(source)
fun fromUrlAsync(url: String, options: SingleTileImageryProvider.Companion.fromUrlOptions? = definedExternally): ERROR CLASS: Symbol not found for Promise<cesium/engine/SingleTileImageryProvider>(source)