pkg/front_end/testcases/regress/issue_34563.dart.textual_outline_modelled.expect

class C1 {
  int get c => 2;
}

class C2 extend C1 with M2 {}

class C3 on C1 with M3 {}

main() {}

mixin M1 {
  int get m => 1;
}

mixin M2 extend M1 {}

mixin M3 extends M1 {}