private void ValidateAmount()
        {
            int amount = _request.AmountAsNumber();

            IntValidator validator = new IntValidator(nameof(_request.Amount), amount);

            validator.IsHigherThan(0);
        }
        private void ValidateCaptureDay()
        {
            if (_request.CaptureDay == null)
            {
                return;
            }

            IntValidator validator = new IntValidator(nameof(_request.CaptureDay), _request.CaptureDay.Value);

            validator.IsHigherThan(0);
            validator.IsLowerThan(100);
        }
        private void ValidateKeyVersion()
        {
            IntValidator validator = new IntValidator(nameof(_configuration.KeyVersion), _configuration.KeyVersion);

            validator.IsHigherThan(0);
        }