public PresenterService(IPresenterRetriever presenterRetriever, IPresenterSaver presenterSaver)
 {
     _presenterRetriever = presenterRetriever;
     _presenterSaver     = presenterSaver;
 }
 public PresenterService(IPresenterRetriever presenterRetriever, IPresenterSaver presenterSaver)
 {
     _presenterRetriever = presenterRetriever;
     _presenterSaver = presenterSaver;
 }