The MfaCodes Tuple associates the Serial Number
and the current Token/Code displayed on the
Multi-Factor Authentication device associated with
your AWS Account

C# |
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")] public SetBucketVersioningRequest WithMfaCodes( string serial, string token )

this instance