Sets the ItemNamesSizeBytes property
            
 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 DomainMetadataResult WithItemNamesSizeBytes( string itemNamesSizeBytes )
 Parameters
 Parameters- itemNamesSizeBytes (String)
- The total size of all item names in the domain, in bytes.
 Return Value
 Return Valuethis instance