static GooglePlayStoreExtensions BuildGooglePlayStoreExtensions(IGooglePlayStoreService googlePlayStoreService, IGooglePlayStoreFinishTransactionService googlePlayStoreFinishTransactionService, IGooglePurchaseCallback googlePurchaseCallback)
        {
            GooglePlayStoreExtensions googlePlayStoreExtensions = new GooglePlayStoreExtensions(googlePlayStoreService, googlePlayStoreFinishTransactionService);

            googlePurchaseCallback.SetStoreExtension(googlePlayStoreExtensions);
            return(googlePlayStoreExtensions);
        }