Copyright (c) 2014 Freeside Internet Services, Inc.
All rights reserved. This program is free software; you can redistribute it
and/or modify it under the same terms as Perl itself.

This is Business::OnlinePayment::FirstDataGlobalGateway, a
Business::OnlinePayment backend module for First Data Global Gateway e4.  It is
only useful if you have a merchant account with First Data:
https://www.firstdata.com/en_us/products/merchants/ecommerce/online-payment-processing.html

Business::OnlinePayment is a generic interface for processing payments through
online credit card processors, online check acceptance houses, etc.  (If you
like buzzwords, call it an "multiplatform ecommerce-enabling middleware
solution").