abstract class AbstractClass extends Super implements Interface1, Interface2 {}

abstract class Super {
  void extendedAbstractImplementedMethod();
  void extendedAbstractImplementedMultipleMethod();
  void extendedAbstractMethod();
  void extendedConcreteImplementedMethod() {}
  void extendedConcreteImplementedMultipleMethod() {}
  void extendedConcreteMethod() {}
}

class ConcreteClass extends Super implements Interface1, Interface2 {}

class ConcreteSub extends AbstractClass {}

class Interface1 {
  void extendedAbstractImplementedMethod() {}
  void extendedAbstractImplementedMultipleMethod() {}
  void extendedConcreteImplementedMethod() {}
  void extendedConcreteImplementedMultipleMethod() {}
}

class Interface2 {
  void extendedAbstractImplementedMultipleMethod() {}
  void extendedConcreteImplementedMultipleMethod() {}
}

main() {}