and inline the TItems typedef

Change-Id: I0c50d12d53ce4b52c330cad8790a65065ebdd82e
Reviewed-on: https://gerrit.libreoffice.org/42182Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>