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

class C<X extends core::num* = core::num*, Y extends (self::C::X*) →* void = (core::Null*) →* void> extends core::Object {
  synthetic constructor •() → self::C<self::C::X*, self::C::Y*>*
    ;
}
static field self::C<core::num*, (core::Null*) →* void>* c;
static method main() → dynamic
  ;