class Interface1 {
  final int implementMultipleField = 0;
  final int declareConcreteImplementMultipleField = 0;
  final int declareAbstractImplementMultipleField = 0;
}

class Interface2 {
  final int implementMultipleField = 0;
  final int declareConcreteImplementMultipleField = 0;
  final int declareAbstractImplementMultipleField = 0;
}

class ConcreteClass implements Interface1, Interface2 {
  final int declareConcreteImplementMultipleField = 0;
  abstract final int declareAbstractImplementMultipleField;
}

abstract class AbstractClass implements Interface1, Interface2 {
  final int declareConcreteImplementMultipleField = 0;
  abstract final int declareAbstractImplementMultipleField;
}

class ConcreteSub extends AbstractClass {}

main() {}