public ConcreteColleague1(Abstract.Mediator mediator) : base(mediator) { }
public CustomerColleague(Abstract.Mediator mediator) : base(mediator) { }
public TesterColleague(Abstract.Mediator mediator) : base(mediator) { }
public Farmer(Abstract.Mediator mediator) : base(mediator) { }
public ProgrammerColleague(Abstract.Mediator mediator) : base(mediator) { }