library test;
import self as self;
import "dart:core" as core;

class A<T extends core::Object? = dynamic> extends core::Object {
  constructor •(self::B<core::List<self::A::T%>> b) → self::A<self::A::T%>
    : super core::Object::•()
    ;
}
class B<T extends core::Object? = dynamic> extends core::Object {
  synthetic constructor •() → self::B<self::B::T%>
    : super core::Object::•()
    ;
}
static method main() → dynamic {
  self::A<core::Object?> x = new self::A::•<core::Object?>(new self::B::•<core::List<core::Object?>>());
}