| library; |
| import self as self; |
| import "dart:core" as core; |
| |
| class D1 extends core::Object { |
| synthetic constructor •() → self::D1 |
| : super core::Object::•() |
| ; |
| } |
| class D2 extends core::Object { |
| synthetic constructor •() → self::D2 |
| : super core::Object::•() |
| ; |
| } |
| class D extends core::Object implements self::D1, self::D2 { |
| synthetic constructor •() → self::D |
| : super core::Object::•() |
| ; |
| } |
| class A extends core::Object { |
| synthetic constructor •() → self::A |
| : super core::Object::•() |
| ; |
| method m(covariant-by-declaration self::D d) → void {} |
| } |
| abstract class B1 extends core::Object { |
| synthetic constructor •() → self::B1 |
| : super core::Object::•() |
| ; |
| abstract method m(self::D1 d1) → void; |
| } |
| abstract class B2 extends core::Object { |
| synthetic constructor •() → self::B2 |
| : super core::Object::•() |
| ; |
| abstract method m(self::D2 d2) → void; |
| } |
| static method main() → dynamic {} |