// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

class A extends B with C implements D {}
class A1 extends B implements D with C {}
class A2 implements D extends B with C {}
class A3 implements D with C extends B {}
class A4 with C implements D extends B {}
class A5 with C extends B implements D {}
class A6 extends B with C implements D extends B {}
class A7 extends B with C implements D implements D {}
class A8 extends B with C implements D with C {}
class A9 extends B implements D with C extends B {}
class A10 extends B implements D with C implements D {}
class A11 extends B implements D with C with C {}
class A12 extends B extends B with C implements D {}
class A13 extends B with C with C implements D {}
class A14 extends B with C implements D implements D {}
class A15 with D extends B {}
class A16 implements D extends B {}
class A17 implements D with C {}
class A18 extends {}
class A19 extends B with {}
class A20 with {}
class A21 extends B with C implements {}
class A22 with C implements {}
class A23 implements {}
class A24 extends B extends {}
class A25 with C with {}
class A26 implements D implements {}

class N = B with C implements D;
class N1 = B implements D with C;
class N2 = implements D extends B with C;
class N3 = implements D with C extends B;
class N4 = with C implements D extends B;
class N5 = with C extends B implements D;
class N6 = B with C implements D extends B;
class N7 = B with C implements D implements D;
class N8 = B with C implements D with C;
class N9 = B implements D with C extends B;
class N10 = B implements D with C implements D;
class N11 = B implements D with C with C;
class N12 = B extends B with C implements D;
class N13 = B with C with C implements D;
class N14 = B with C implements D implements D;
class N15 = with D extends B;
class N16 = implements D extends B;
class N17 = implements D with C;
class N18 = ;
class N19 = B with;
class N20 = with;
class N21 = B with C implements;
class N22 = with C implements;
class N23 = implements;
class N24 = B extends;
class N25 = with C with;
class N26 = implements D implements;

enum E extends B with C implements D { element }
enum E1 extends B implements D with C { element }
enum E2 implements D extends B with C { element }
enum E3 implements D with C extends B { element }
enum E4 with C implements D extends B { element }
enum E5 with C extends B implements D { element }
enum E6 extends B with C implements D extends B { element }
enum E7 extends B with C implements D implements D { element }
enum E8 extends B with C implements D with C { element }
enum E9 extends B implements D with C extends B { element }
enum E10 extends B implements D with C implements D { element }
enum E11 extends B implements D with C with C { element }
enum E12 extends B extends B with C implements D { element }
enum E13 extends B with C with C implements D { element }
enum E14 extends B with C implements D implements D { element }
enum E15 with D extends B { element }
enum E16 implements D extends B { element }
enum E17 implements D with C { element }
enum E18 extends { element }
enum E19 extends B with { element }
enum E20 with { element }
enum E21 extends B with C implements { element }
enum E22 with C implements { element }
enum E23 implements { element }
enum E24 extends B extends { element }
enum E25 with C with { element }
enum E26 implements D implements { element }

class B {}
class C {}
class D {}

main() {}