initAATKit method
Implementation
@override
Future<void> initAATKit(AATKitConfiguration configuration) {
  _setManagedConsentListenerIfNeeded(configuration);
  _delegate = configuration.delegate;
  methodChannel.setMethodCallHandler(_onChannelCallback);
  return methodChannel.invokeMethod(
    "init",
    [
      configuration.toJson(),
      AatkitFlutterPluginPlatform.pluginVersion,
    ],
  );
}