forked from amazingfate/loongoffice
so we can avoid dynamic_cast and XUnoTunnel in various places Change-Id: I1f524270a8030106a2058691c3d89b90d46ed26f Reviewed-on: https://gerrit.libreoffice.org/c/core/+/145391 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>