library;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature.dart:11:7: Error: The non-abstract class 'ConcreteSub' is missing implementations for these members:
//  - AbstractClass.Interface1.implementedMethod
//  - AbstractClass.Interface1.implementedMultipleMethod%Interface2.implementedMultipleMethod
//  - AbstractClass.Super.extendedAbstractImplementedMethod%Interface1.extendedAbstractImplementedMethod
//  - AbstractClass.Super.extendedAbstractMethod
// 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 ConcreteSub extends AbstractClass {}
//       ^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature.dart:9:16: Context: 'AbstractClass.Interface1.implementedMethod' is defined here.
// abstract class AbstractClass extends Super implements Interface1, Interface2 {}
//                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature.dart:9:16: Context: 'AbstractClass.Interface1.implementedMultipleMethod%Interface2.implementedMultipleMethod' is defined here.
// abstract class AbstractClass extends Super implements Interface1, Interface2 {}
//                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature.dart:9:16: Context: 'AbstractClass.Super.extendedAbstractImplementedMethod%Interface1.extendedAbstractImplementedMethod' is defined here.
// abstract class AbstractClass extends Super implements Interface1, Interface2 {}
//                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature.dart:9:16: Context: 'AbstractClass.Super.extendedAbstractMethod' is defined here.
// abstract class AbstractClass extends Super implements Interface1, Interface2 {}
//                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature.dart:13:7: Error: The non-abstract class 'ConcreteClass' is missing implementations for these members:
//  - Interface1.implementedMethod
//  - Interface1.implementedMultipleMethod
//  - Interface2.implementedMultipleMethod
//  - Super.extendedAbstractImplementedMethod
//  - Super.extendedAbstractMethod
// 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 extends Super implements Interface1, Interface2 {}
//       ^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature_lib.dart:20:8: Context: 'Interface1.implementedMethod' is defined here.
//   void implementedMethod(int i) {}
//        ^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature_lib.dart:22:8: Context: 'Interface1.implementedMultipleMethod' is defined here.
//   void implementedMultipleMethod(int i) {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature_lib.dart:26:8: Context: 'Interface2.implementedMultipleMethod' is defined here.
//   void implementedMultipleMethod(int i) {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature_lib.dart:12:8: Context: 'Super.extendedAbstractImplementedMethod' is defined here.
//   void extendedAbstractImplementedMethod(int i);
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/member_signature_lib.dart:8:8: Context: 'Super.extendedAbstractMethod' is defined here.
//   void extendedAbstractMethod(int i);
//        ^^^^^^^^^^^^^^^^^^^^^^
//
import self as self;
import "member_signature_lib.dart" as mem;
import "dart:core" as core;

import "org-dartlang-testcase:///member_signature_lib.dart";

abstract class AbstractClass extends mem::Super implements mem::Interface1, mem::Interface2 {
  synthetic constructor •() → self::AbstractClass*
    : super mem::Super::•()
    ;
  abstract member-signature method extendedConcreteMethod(core::int* i) → void; -> mem::Super::extendedConcreteMethod
  abstract member-signature method extendedAbstractMethod(core::int* i) → void; -> mem::Super::extendedAbstractMethod
  abstract member-signature method extendedConcreteImplementedMethod(core::int* i) → void; -> mem::Super::extendedConcreteImplementedMethod
  abstract member-signature method extendedAbstractImplementedMethod(core::int* i) → void; -> mem::Super::extendedAbstractImplementedMethod
  abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method toString() → core::String*; -> core::Object::toString
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType
  abstract member-signature method implementedMethod(core::int* i) → void; -> mem::Interface1::implementedMethod
  abstract member-signature method implementedMultipleMethod(core::int* i) → void; -> mem::Interface1::implementedMultipleMethod
}
class ConcreteSub extends self::AbstractClass {
  synthetic constructor •() → self::ConcreteSub*
    : super self::AbstractClass::•()
    ;
}
class ConcreteClass extends mem::Super implements mem::Interface1, mem::Interface2 {
  synthetic constructor •() → self::ConcreteClass*
    : super mem::Super::•()
    ;
  abstract member-signature method extendedConcreteMethod(core::int* i) → void; -> mem::Super::extendedConcreteMethod
  abstract member-signature method extendedAbstractMethod(core::int* i) → void; -> mem::Super::extendedAbstractMethod
  abstract member-signature method extendedConcreteImplementedMethod(core::int* i) → void; -> mem::Super::extendedConcreteImplementedMethod
  abstract member-signature method extendedAbstractImplementedMethod(core::int* i) → void; -> mem::Super::extendedAbstractImplementedMethod
  abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method toString() → core::String*; -> core::Object::toString
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType
  abstract member-signature method implementedMethod(core::int* i) → void; -> mem::Interface1::implementedMethod
  abstract member-signature method implementedMultipleMethod(core::int* i) → void; -> mem::Interface1::implementedMultipleMethod
}
abstract class OptOutInterface extends core::Object {
  synthetic constructor •() → self::OptOutInterface*
    : super core::Object::•()
    ;
  abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method toString() → core::String*; -> core::Object::toString
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType
}
abstract class ClassImplementsOptOut extends core::Object implements self::OptOutInterface {
  synthetic constructor •() → self::ClassImplementsOptOut*
    : super core::Object::•()
    ;
  abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method toString() → core::String*; -> core::Object::toString
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType
}
static method main() → dynamic {}

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

abstract class Super extends core::Object {
  synthetic constructor •() → mem::Super
    : super core::Object::•()
    ;
  method extendedConcreteMethod(core::int i) → void {}
  abstract method extendedAbstractMethod(core::int i) → void;
  method extendedConcreteImplementedMethod(core::int i) → void {}
  abstract method extendedAbstractImplementedMethod(core::int i) → void;
}
abstract class Interface1 extends core::Object {
  synthetic constructor •() → mem::Interface1
    : super core::Object::•()
    ;
  method extendedConcreteImplementedMethod(core::int i) → void {}
  method extendedAbstractImplementedMethod(core::int i) → void {}
  method implementedMethod(core::int i) → void {}
  method implementedMultipleMethod(core::int i) → void {}
}
abstract class Interface2 extends core::Object {
  synthetic constructor •() → mem::Interface2
    : super core::Object::•()
    ;
  method implementedMultipleMethod(core::int i) → void {}
}