initDartApi function
Implementation
Future<void> initDartApi() async {
if (_initDartApiCalled) return;
_initDartApiCalled = true;
_init(NativeApi.initializeApiDLData);
final engineId = await const MapkitMethodChannel('runtime')
.invokeMethod<int>('onDartVMCreated');
_attachEngineToCurrentIsolate(engineId!);
}