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

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