text: public virtual DescribeCustomerGatewaysResponse DescribeCustomerGateways(DescribeCustomerGatewaysRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeCustomerGatewaysRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeCustomerGatewaysResponseUnmarshaller.Instance;return Invoke<DescribeCustomerGatewaysResponse>(request, options);}