text: public virtual SearchTransitGatewayMulticastGroupsResponse SearchTransitGatewayMulticastGroups(SearchTransitGatewayMulticastGroupsRequest request){var options = new InvokeOptions();options.RequestMarshaller = SearchTransitGatewayMulticastGroupsRequestMarshaller.Instance;options.ResponseUnmarshaller = SearchTransitGatewayMulticastGroupsResponseUnmarshaller.Instance;return Invoke<SearchTransitGatewayMulticastGroupsResponse>(request, options);}