public PackSourceChecker(IEnumerable <IPackProvider> packProviders, PackPreFilterer packPreFilterer, IReadOnlyList <IAdditionalDataProducer> additionalDataProducers, bool saveCandidatePacks) { _packProviders = packProviders; _packPreFilterer = packPreFilterer; _additionalDataProducers = additionalDataProducers; _saveCandidatePacks = saveCandidatePacks; _packChecker = new PackChecker(); }