if (!(bVersionsToKeepDefined ^ bDaysToKeepDefined))
throw new MojoFailureException(
"Declare either versionsToKeep or daysToKeep, but not both nor none!");
DescribeApplicationVersionsRequest describeApplicationVersionsRequest = new DescribeApplicationVersionsRequest()
.withApplicationName(applicationName);
DescribeApplicationVersionsResult appVersions = getService()
.describeApplicationVersions(describeApplicationVersionsRequest);