dart-positional-argument-super.md

How can I make the constructor of B use the same default text as the constructor A without specifying it again?

main.dart

void main() async {
  print(B().text);
}

class A{
  A({this.text = "test text"});
  
  final text;
}

class B extends A{
  B({String text}) : super(text: text);
}