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

class B<X extends core::Object = dynamic, Y extends core::Object = dynamic> extends core::Object {
  synthetic constructor •() → void
    ;
}
class C<X extends core::Object = dynamic, Y extends core::Object = dynamic> extends core::Object {
  synthetic constructor •() → void
    ;
}
class D<X extends self::B<self::D::X, self::D::Y> = dynamic, Y extends self::C<self::D::X, self::D::Y> = dynamic> extends core::Object {
  synthetic constructor •() → void
    ;
}
class E<X extends self::B<self::E::X, self::E::Y> = dynamic, Y extends () → self::E::X = dynamic> extends core::Object {
  synthetic constructor •() → void
    ;
}
class F<X extends () → self::F::X = dynamic> extends core::Object {
  synthetic constructor •() → void
    ;
}
static field self::D<dynamic, dynamic> d;
static field self::E<dynamic, dynamic> e;
static field self::F<dynamic> f;
static method main() → dynamic
  ;