Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//usr/share/bash-completion/completions/debconf

 _have debconf-show &&
_debconf_show()
{
        local cur

        COMPREPLY=()
        cur=${COMP_WORDS[COMP_CWORD]}
        COMPREPLY=($( compgen -W '--listowners --listdbs --db=' -- $cur ) \
                        $( apt-cache pkgnames -- $cur ) )
}
complete -F _debconf_show debconf-show