Virtual package node-types-defined is provided by:
Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture +++-============-==============-==================================== ii node-defined 1.0.1+~1.0.0-1 all return the first argument that is `!== undefined` 1 packages