writeAsync method
Implementation
Future<void> writeAsync(InputArray image) async {
  return cvRunAsync0(
    (callback) => cvideoio.cv_VideoWriter_write(ref, image.ref, callback),
    (c) => c.complete(),
  );
}Future<void> writeAsync(InputArray image) async {
  return cvRunAsync0(
    (callback) => cvideoio.cv_VideoWriter_write(ref, image.ref, callback),
    (c) => c.complete(),
  );
}