// For additional data protection you can require multi-factor
// authentication (MFA) to delete object versions.
//////////////////////////////////////////////////////////////
// Require multi-factor authentication to delete versions.
s3Service.enableBucketVersioningAndMFA(vBucketName);
// Check MFA status for the bucket
versioningStatus = s3Service.getBucketVersioningStatus(vBucketName);
System.out.println("Multi-factor auth required to delete versions ? "
+ versioningStatus.isMultiFactorAuthDeleteRequired());