pkg/front_end/testcases/general/prefer_baseclass.dart.textual_outline.expect

class A {}

class B {}

class AB1 extends A implements B {}

class AB2 extends A implements B {}

class BA1 extends B implements A {}

class BA2 extends B implements A {}

takeSubclassOfA(obj) {}
takeSubclassOfB(obj) {}
main() {}