File list of package libavif-dev in bullseye-backports of architecture arm64
/usr/include/avif/avif.h
/usr/lib/aarch64-linux-gnu/cmake/libavif/libavif-config-none.cmake
/usr/lib/aarch64-linux-gnu/cmake/libavif/libavif-config-version.cmake
/usr/lib/aarch64-linux-gnu/cmake/libavif/libavif-config.cmake
/usr/lib/aarch64-linux-gnu/libavif.so
/usr/lib/aarch64-linux-gnu/pkgconfig/libavif.pc
/usr/share/doc/libavif-dev/README.md
/usr/share/doc/libavif-dev/changelog.Debian.gz
/usr/share/doc/libavif-dev/changelog.gz
/usr/share/doc/libavif-dev/copyright