text: public virtual DescribeLocalGatewayVirtualInterfaceGroupsResponse DescribeLocalGatewayVirtualInterfaceGroups(DescribeLocalGatewayVirtualInterfaceGroupsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeLocalGatewayVirtualInterfaceGroupsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeLocalGatewayVirtualInterfaceGroupsResponseUnmarshaller.Instance;return Invoke<DescribeLocalGatewayVirtualInterfaceGroupsResponse>(request, options);}