public IEnumerable <IGatewayResponse> GetTransactions(IGatewayRequest request)
        {
            var apiRequest = new AuthorizeDotNetApiRequest();

            return(apiRequest.GetTransactions((AuthorizeDotNetRequest)request));
        }
        public IGatewayResponse Send(IGatewayRequest request)
        {
            var apiRequest = new AuthorizeDotNetApiRequest();

            return(apiRequest.Send((AuthorizeDotNetRequest)request));
        }