/var/db/pkg may be obsoleted by pkg (distant FreeBSD releases)

Many expect that the flat files (and directories ) in /var/db/pkg may be obsoleted  by
the next pkg management tool, /pkg/ soon to be in base. [1]   Just a FYI for persons
interested, the discussion takes place mostly on the freebsd-ports mailing list. This
may occur in V 11 ...

[1] Replaced by a database file which /pkg/ works with...