loadAsync
fun loadAsync(data: Resource, options: KmlDataSource.ConstructorOptions? = definedExternally): Promise<KmlDataSource>(source)
fun loadAsync(data: String, options: KmlDataSource.ConstructorOptions? = definedExternally): Promise<KmlDataSource>(source)
fun loadAsync(data: Document, options: KmlDataSource.ConstructorOptions? = definedExternally): Promise<KmlDataSource>(source)
fun loadAsync(data: Blob, options: KmlDataSource.ConstructorOptions? = definedExternally): Promise<KmlDataSource>(source)