void OnPurchaseConsumedError(int responseCode, string token)
        {
            var res = InAppPurchaseResponse.ByCode(responseCode);

            SetErrorAndReset(new PurchaseError($"Cannot Consume the purchase: {res.Description}"));
        }
        void OnProductPurchasedError(int responseCode, string sku)
        {
            var res = InAppPurchaseResponse.ByCode(responseCode);

            SetErrorAndReset(new PurchaseError($"Cannot Purchase: {res.Description}"));
        }