Going via UNO for a class in the same module sounds like an overkill.

Change-Id: Iaa5b31d1b888c8d3f1c9b47ee787504191ce3d7d
Reviewed-on: https://gerrit.libreoffice.org/31148Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>