|  | library; | 
|  | // | 
|  | // Problems in library: | 
|  | // | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:5:7: Error: The non-abstract class 'Interface' is missing implementations for these members: | 
|  | //  - Interface.declaredAbstractImplementsAbstractMethod | 
|  | //  - Interface.declaredConcreteImplementsAbstractMethod | 
|  | //  - Interface.implementedAbstractMethod | 
|  | // Try to either | 
|  | //  - provide an implementation, | 
|  | //  - inherit an implementation from a superclass or mixin, | 
|  | //  - mark the class as abstract, or | 
|  | //  - provide a 'noSuchMethod' implementation. | 
|  | // | 
|  | // class Interface { | 
|  | //       ^^^^^^^^^ | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:16:8: Context: 'Interface.declaredAbstractImplementsAbstractMethod' is defined here. | 
|  | //   void declaredAbstractImplementsAbstractMethod(); | 
|  | //        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:14:8: Context: 'Interface.declaredConcreteImplementsAbstractMethod' is defined here. | 
|  | //   void declaredConcreteImplementsAbstractMethod(); | 
|  | //        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:8:8: Context: 'Interface.implementedAbstractMethod' is defined here. | 
|  | //   void implementedAbstractMethod(); | 
|  | //        ^^^^^^^^^^^^^^^^^^^^^^^^^ | 
|  | // | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:19:7: Error: The non-abstract class 'ConcreteClass' is missing implementations for these members: | 
|  | //  - ConcreteClass.declaredAbstractImplementsAbstractMethod | 
|  | //  - ConcreteClass.declaredAbstractImplementsConcreteMethod | 
|  | //  - ConcreteClass.declaredAbstractMethod | 
|  | //  - Interface.implementedAbstractMethod | 
|  | //  - Interface.implementedConcreteMethod | 
|  | // Try to either | 
|  | //  - provide an implementation, | 
|  | //  - inherit an implementation from a superclass or mixin, | 
|  | //  - mark the class as abstract, or | 
|  | //  - provide a 'noSuchMethod' implementation. | 
|  | // | 
|  | // class ConcreteClass implements Interface { | 
|  | //       ^^^^^^^^^^^^^ | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:30:8: Context: 'ConcreteClass.declaredAbstractImplementsAbstractMethod' is defined here. | 
|  | //   void declaredAbstractImplementsAbstractMethod(); | 
|  | //        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:26:8: Context: 'ConcreteClass.declaredAbstractImplementsConcreteMethod' is defined here. | 
|  | //   void declaredAbstractImplementsConcreteMethod(); | 
|  | //        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:22:8: Context: 'ConcreteClass.declaredAbstractMethod' is defined here. | 
|  | //   void declaredAbstractMethod(); | 
|  | //        ^^^^^^^^^^^^^^^^^^^^^^ | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:8:8: Context: 'Interface.implementedAbstractMethod' is defined here. | 
|  | //   void implementedAbstractMethod(); | 
|  | //        ^^^^^^^^^^^^^^^^^^^^^^^^^ | 
|  | // pkg/front_end/testcases/general/hierarchy/concrete_implements_method.dart:6:8: Context: 'Interface.implementedConcreteMethod' is defined here. | 
|  | //   void implementedConcreteMethod() {} | 
|  | //        ^^^^^^^^^^^^^^^^^^^^^^^^^ | 
|  | // | 
|  | import self as self; | 
|  | import "dart:core" as core; | 
|  |  | 
|  | class Interface extends core::Object { | 
|  | synthetic constructor •() → self::Interface | 
|  | : super core::Object::•() | 
|  | ; | 
|  | method implementedConcreteMethod() → void {} | 
|  | abstract method implementedAbstractMethod() → void; | 
|  | method declaredConcreteImplementsConcreteMethod() → void {} | 
|  | method declaredAbstractImplementsConcreteMethod() → void {} | 
|  | abstract method declaredConcreteImplementsAbstractMethod() → void; | 
|  | abstract method declaredAbstractImplementsAbstractMethod() → void; | 
|  | } | 
|  | class ConcreteClass extends core::Object implements self::Interface { | 
|  | synthetic constructor •() → self::ConcreteClass | 
|  | : super core::Object::•() | 
|  | ; | 
|  | method declaredConcreteMethod() → void {} | 
|  | abstract method declaredAbstractMethod() → void; | 
|  | method declaredConcreteImplementsConcreteMethod() → void {} | 
|  | abstract method declaredAbstractImplementsConcreteMethod() → void; | 
|  | method declaredConcreteImplementsAbstractMethod() → void {} | 
|  | abstract method declaredAbstractImplementsAbstractMethod() → void; | 
|  | } | 
|  | static method main() → dynamic {} |