class A {
  num fieldNonNullableOfA;
  late num ;
  fieldLateNonNullableOfA;
  final dynamic fieldFinalDynamicOfA;
  late ;
  final dynamic fieldLateFinalDynamicOfA;
}
abstract class AbstractA {
  external num fieldExternalNonNullableOfAbstractA;
  abstract num fieldAbstractNonNullableOfAbstractA;
  external final dynamic fieldExternalFinalDynamicOfAbstractA;
  abstract final dynamic fieldAbstractFinalDynamicOfAbstractA;
}
class B {
  num fieldNonNullableOfB;
  late num ;
  fieldLateNonNullableOfB;
  final dynamic fieldFinalDynamicOfB;
  late ;
  final dynamic fieldLateFinalDynamicOfB;
  factory B() => throw 42;
}
abstract class AbstractB {
  external num fieldExternalNonNullableOfAbstractB;
  abstract num fieldAbstractNonNullableOfAbstractB;
  external final dynamic fieldExternalFinalDynamicOfAbstractB;
  abstract final dynamic fieldAbstractFinalDynamicOfAbstractB;
}
mixin M {
  num fieldNonNullableOfM;
  late num ;
  fieldLateNonNullableOfM;
  external num fieldExternalNonNullableOfM;
  abstract num fieldAbstractNonNullableOfM;
  final dynamic fieldFinalDynamicOfM;
  late ;
  final dynamic fieldLateFinalDynamicOfM;
  external final dynamic fieldExternalFinalDynamicOfM;
  abstract final dynamic fieldAbstractFinalDynamicOfM;
}
main() {}