erfaces.
  :``3.0``:          MySQL access, Bugzilla 3.0 and later.
  :``2.18``:         MySQL access, Bugzilla 2.18 and up to but not
                     including 3.0.
  :``2.16``:         MySQL access, Bugzilla 2.16 and up to but not
                     including 2.18.