File list of package libfastjson4 in bullseye of architecture arm64
/usr/lib/aarch64-linux-gnu/libfastjson.so.4 /usr/lib/aarch64-linux-gnu/libfastjson.so.4.3.0 /usr/share/doc/libfastjson4/changelog.Debian.gz /usr/share/doc/libfastjson4/changelog.gz /usr/share/doc/libfastjson4/copyright