pkg/front_end/testcases/dart2js/issue55135.dart.textual_outline_modelled.expect

abstract class A {
  factory A() = B;
  int get x;
}

class B implements A {
  final int x = 1;
}

expectEquals(x, y) {}

extension type C._(A point) implements A {
  C() : point = A();
}

void main() {}