text: public virtual DescribeDefaultClusterParametersResponse DescribeDefaultClusterParameters(DescribeDefaultClusterParametersRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeDefaultClusterParametersRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeDefaultClusterParametersResponseUnmarshaller.Instance;return Invoke<DescribeDefaultClusterParametersResponse>(request, options);}