library /*isNonNullableByDefault*/;
import self as self;
import "stub_or_not_lib1.dart" as stu;

import "org-dartlang-testcase:///stub_or_not_lib1.dart";

class ProblemClass extends stu::Foo {
  synthetic constructor •() → self::ProblemClass
    : super stu::Foo::•()
    ;
}
static method main() → dynamic {}