public virtual DescribeCacheClustersResponse DescribeCacheClusters(DescribeCacheClustersRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeCacheClustersRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeCacheClustersResponseUnmarshaller.Instance;return Invoke<DescribeCacheClustersResponse>(request, options);}