library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

class A<X extends core::Object? = dynamic> extends core::Object {
  synthetic constructor •() → self::A<self::A::X%>
    ;
}
static method foo<Y extends core::Object? = dynamic>(self::foo::Y% y) → self::A<self::foo::Y%>
  ;
static method test() → dynamic
  ;
static method main() → dynamic
  ;