text: public virtual ListRoomMembershipsResponse ListRoomMemberships(ListRoomMembershipsRequest request){var options = new InvokeOptions();options.RequestMarshaller = ListRoomMembershipsRequestMarshaller.Instance;options.ResponseUnmarshaller = ListRoomMembershipsResponseUnmarshaller.Instance;return Invoke<ListRoomMembershipsResponse>(request, options);}