text: public virtual DescribeGlobalClustersResponse DescribeGlobalClusters(DescribeGlobalClustersRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeGlobalClustersRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeGlobalClustersResponseUnmarshaller.Instance;return Invoke<DescribeGlobalClustersResponse>(request, options);}