File list of package libqrencode4 in bullseye of architecture amd64
/usr/lib/x86_64-linux-gnu/libqrencode.so.4 /usr/lib/x86_64-linux-gnu/libqrencode.so.4.1.1 /usr/share/doc/libqrencode4/changelog.Debian.gz /usr/share/doc/libqrencode4/changelog.gz /usr/share/doc/libqrencode4/copyright