public virtual DescribeClientVpnConnectionsResponse DescribeClientVpnConnections(DescribeClientVpnConnectionsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeClientVpnConnectionsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeClientVpnConnectionsResponseUnmarshaller.Instance;return Invoke<DescribeClientVpnConnectionsResponse>(request, options);}