class Interface1 {
  int get implementMultipleGetter => 0;
  int get declareConcreteImplementMultipleGetter => 0;
  int get declareAbstractImplementMultipleGetter => 0;
}

class Interface2 {
  int get implementMultipleGetter => 0;
  int get declareConcreteImplementMultipleGetter => 0;
  int get declareAbstractImplementMultipleGetter => 0;
}

class ConcreteClass implements Interface1, Interface2 {
  int get declareConcreteImplementMultipleGetter => 0;
  int get declareAbstractImplementMultipleGetter;
}

abstract class AbstractClass implements Interface1, Interface2 {
  int get declareConcreteImplementMultipleGetter => 0;
  int get declareAbstractImplementMultipleGetter;
}

class ConcreteSub extends AbstractClass {}

main() {}