text: public virtual DescribeIpGroupsResponse DescribeIpGroups(DescribeIpGroupsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeIpGroupsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeIpGroupsResponseUnmarshaller.Instance;return Invoke<DescribeIpGroupsResponse>(request, options);}