public TravelersAroundService(IRepository repository, 
                             IMembership membership,
                             IGeoCoder geoCoder,
                             ILocationDeterminator locationDeterminator,
                             ILog log,
                             ICache cache,
                             IAPIKeyGenerator apiKeyGen)
     : base(log)
 {
     _repository = repository;
     _membership = membership;
     _locationDeterminator = locationDeterminator;
     _geoCoder = geoCoder;
     _cache = cache;
     _apiKeyGen = apiKeyGen;
 }
 public APIKeyService(IRepository respository,
                     IAPIKeyGenerator apiKeyGen)
 {
     _repository = respository;
     _apiKeyGen = apiKeyGen;
 }