"DEVPAY_USER_TOKEN", "DEVPAY_PRODUCT_TOKEN");
// Once you have defined your DevPay S3 credentials, you can create an
// S3Service class based on these and access the DevPay account as usual.
S3Service devPayService = new RestS3Service(devPayCredentials);
devPayService.listAllBuckets();
// You can also generate signed URLs for DevPay S3 accounts. Here is the
// code to generate a linke that makes an object in a DevPay account
// temporary available for public download.