library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:37:7: Error: The non-abstract class 'ConcreteSub' is missing implementations for these members:
//  - Interface1.extendedAbstractImplementedField
//  - Interface1.extendedAbstractImplementedMultipleField
//  - Interface2.extendedAbstractImplementedMultipleField
//  - Super.extendedAbstractField
//  - Super.extendedAbstractImplementedField
//  - Super.extendedAbstractImplementedMultipleField
// 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/extend_multiple_final_field.dart:22:13: Context: 'Interface1.extendedAbstractImplementedField' is defined here.
//   final int extendedAbstractImplementedField = 0;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:26:13: Context: 'Interface1.extendedAbstractImplementedMultipleField' is defined here.
//   final int extendedAbstractImplementedMultipleField = 0;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:32:13: Context: 'Interface2.extendedAbstractImplementedMultipleField' is defined here.
//   final int extendedAbstractImplementedMultipleField = 0;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:8:22: Context: 'Super.extendedAbstractField' is defined here.
//   abstract final int extendedAbstractField;
//                      ^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:12:22: Context: 'Super.extendedAbstractImplementedField' is defined here.
//   abstract final int extendedAbstractImplementedField;
//                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:16:22: Context: 'Super.extendedAbstractImplementedMultipleField' is defined here.
//   abstract final int extendedAbstractImplementedMultipleField;
//                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:39:7: Error: The non-abstract class 'ConcreteClass' is missing implementations for these members:
//  - Interface1.extendedAbstractImplementedField
//  - Interface1.extendedAbstractImplementedMultipleField
//  - Interface2.extendedAbstractImplementedMultipleField
//  - Super.extendedAbstractField
//  - Super.extendedAbstractImplementedField
//  - Super.extendedAbstractImplementedMultipleField
// 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/extend_multiple_final_field.dart:22:13: Context: 'Interface1.extendedAbstractImplementedField' is defined here.
//   final int extendedAbstractImplementedField = 0;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:26:13: Context: 'Interface1.extendedAbstractImplementedMultipleField' is defined here.
//   final int extendedAbstractImplementedMultipleField = 0;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:32:13: Context: 'Interface2.extendedAbstractImplementedMultipleField' is defined here.
//   final int extendedAbstractImplementedMultipleField = 0;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:8:22: Context: 'Super.extendedAbstractField' is defined here.
//   abstract final int extendedAbstractField;
//                      ^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:12:22: Context: 'Super.extendedAbstractImplementedField' is defined here.
//   abstract final int extendedAbstractImplementedField;
//                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd_mixed/hierarchy/extend_multiple_final_field.dart:16:22: Context: 'Super.extendedAbstractImplementedMultipleField' is defined here.
//   abstract final int extendedAbstractImplementedMultipleField;
//                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
import self as self;
import "dart:core" as core;

abstract class Super extends core::Object {
  final field core::int extendedConcreteField;
  final field core::int extendedConcreteImplementedField;
  final field core::int extendedConcreteImplementedMultipleField;
  synthetic constructor •() → self::Super
    ;
  abstract get extendedAbstractField() → core::int;
  abstract get extendedAbstractImplementedField() → core::int;
  abstract get extendedAbstractImplementedMultipleField() → core::int;
}
class Interface1 extends core::Object {
  final field core::int extendedConcreteImplementedField;
  final field core::int extendedAbstractImplementedField;
  final field core::int extendedConcreteImplementedMultipleField;
  final field core::int extendedAbstractImplementedMultipleField;
  synthetic constructor •() → self::Interface1
    ;
}
class Interface2 extends core::Object {
  final field core::int extendedConcreteImplementedMultipleField;
  final field core::int extendedAbstractImplementedMultipleField;
  synthetic constructor •() → self::Interface2
    ;
}
abstract class AbstractClass extends self::Super implements self::Interface1, self::Interface2 {
  synthetic constructor •() → self::AbstractClass
    ;
}
class ConcreteSub extends self::AbstractClass {
  synthetic constructor •() → self::ConcreteSub
    ;
}
class ConcreteClass extends self::Super implements self::Interface1, self::Interface2 {
  synthetic constructor •() → self::ConcreteClass
    ;
}
static method main() → dynamic
  ;