operator / method Null safety
- double other
override
    Divides each corner of the BorderRadiusDirectional by the given factor.
Implementation
@override
BorderRadiusDirectional operator /(double other) {
  return BorderRadiusDirectional.only(
    topStart: topStart / other,
    topEnd: topEnd / other,
    bottomStart: bottomStart / other,
    bottomEnd: bottomEnd / other,
  );
}