File list of package libblockdev-btrfs-dev in bullseye of architecture armhf
/usr/include/blockdev/btrfs.h /usr/lib/arm-linux-gnueabihf/libbd_btrfs.so /usr/share/doc/libblockdev-btrfs-dev/changelog.Debian.gz /usr/share/doc/libblockdev-btrfs-dev/copyright