Forwards to KrbtgtRotation.ensureAll() on the installed instance.
KrbtgtRotation.ensureAll()
Gives every product realm with a KDC its first stored krbtgt key, one realm at a time; awaited at startup before any listener binds. Never rejects.
a promise of one result per realm
Forwards to
KrbtgtRotation.ensureAll()on the installed instance.