text: public virtual DescribeVpnConnectionsResponse DescribeVpnConnections(DescribeVpnConnectionsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeVpnConnectionsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeVpnConnectionsResponseUnmarshaller.Instance;return Invoke<DescribeVpnConnectionsResponse>(request, options);}