CheckWidget constructor Null safety

CheckWidget(
  1. {Key? key,
  2. bool check = false,
  3. String? label,
  4. double? width,
  5. double? height,
  6. EdgeInsets padding = Dimens.padding_small,
  7. EdgeInsets margin = Dimens.margin_zero,
  8. VisibilityMode visibility = VisibilityMode.Enable,
  9. DataCallback? onChange}
)