since

commit 284ca1a5
Author: Noel Grandin <noelgrandin@gmail.com>
Date:   Sat May 28 14:38:03 2016 +0200

    Convert RSC_TOOLBOX to scoped enum

    and drop unused (in .src files) constants

Change-Id: I0e05389e1bbd5f74ff3b3cd9f1f16cfd54b992c2