File list of package libkf5completion5 in buster of architecture amd64
/usr/lib/x86_64-linux-gnu/libKF5Completion.so.5 /usr/lib/x86_64-linux-gnu/libKF5Completion.so.5.54.0 /usr/share/doc/libkf5completion5/changelog.Debian.gz /usr/share/doc/libkf5completion5/copyright