Just FYI, the issue for backporting of pdftk-java to bionic has been reported here:
https://bugs.launchpad.net/ubuntu/+source/pdftk-java/+bug/1818356
Just FYI, the issue for backporting of pdftk-java to bionic has been reported here:
https:/ /bugs.launchpad .net/ubuntu/ +source/ pdftk-java/ +bug/1818356