public virtual DescribeCacheSubnetGroupsResponse DescribeCacheSubnetGroups(DescribeCacheSubnetGroupsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeCacheSubnetGroupsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeCacheSubnetGroupsResponseUnmarshaller.Instance;return Invoke<DescribeCacheSubnetGroupsResponse>(request, options);}