Sets the tenancy of the Reserved Instance offering. A Reserved Instance with tenancy of dedicated will run on 
            single-tenant hardware and can only be launched within a VPC.
            
 Declaration Syntax
 Declaration Syntax| 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 DescribeReservedInstancesOfferingsRequest WithInstanceTenancy( string instanceTenancy )
 Parameters
 Parameters- instanceTenancy (String)
- Instance Tenancy. Valid Values: default | dedicated
 Return Value
 Return Valuethis instance