| library /*isNonNullableByDefault*/; |
| import self as self; |
| import "dart:core" as core; |
| |
| class _Y<T extends core::Object? = dynamic> extends core::Object /*hasConstConstructor*/ { |
| const constructor •() → self::_Y<self::_Y::T%> |
| : super core::Object::•() |
| ; |
| } |
| class A<T extends core::Object? = dynamic> extends core::Object { |
| covariant-by-class field self::_Y<self::A::T%> x; |
| constructor •(self::_Y<self::A::T%> x) → self::A<self::A::T%> |
| ; |
| } |
| class B<T extends core::Object? = dynamic> extends self::A<self::B::T%> { |
| constructor •() → self::B<self::B::T%> |
| ; |
| } |
| static method main() → dynamic |
| ; |