ETag to be matched as a pre-condition for returning the object metadata,
            otherwise a PreconditionFailed signal is returned.
            
 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 GetObjectMetadataRequest WithETagToMatch( string etagToMatch )
 Parameters
 Parameters- etagToMatch (String)
- The value of the ETag to test
 Return Value
 Return Valuethis instance