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

typedef A<contravariant T extends core::Object* = dynamic> = (T*) →* dynamic;
class B<U extends core::Object* = dynamic> extends core::Object {
  synthetic constructor •() → self::B<self::B::U*>*
    ;
  method fun() → dynamic
    ;
}
static method main() → dynamic
  ;