abstract class D extends A with M3 {
  D(int? i)
      : _f4 = i,
        super(i);
  final int? _f4;
}

class A {
  A(int? i);
}

class B {
  B(int? i);
}

class C {
  C(int? i)
      : _f2 = i,
        _f3 = i,
        _f4 = i;
  final int? _f2;
  final int? _f3;
  final int? _f4;
}

class E extends B with M1 implements D {
  E(super.i);
  @override
  dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
}

main() {}

mixin M1 {
  late final int? _f3;
  late final int? _f4 = 0;
  late int? _f2;
}

mixin M3 {}

void acceptsInt(int x) {}

void testConflictWithNoSuchMethodForwarderIfImplementedInMixin(C c) {}

void testNoConflictWithNoSuchMethodForwarderIfImplementedInMixin1(C c) {}

void testNoConflictWithNoSuchMethodForwarderIfImplementedInMixin2(C c) {}