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

// @dart = 2.9
mixin M1 {
  int get m => 1;
}
mixin M2 extend M1 {}
mixin M3 extends M1 {}
class C1 {
  int get c => 2;
}
class C2 extend C1 with M2 {}
class C3 on C1 with M3 {}
main() {}