deb      http://debug.mirrors.debian.org/debian-debug    bullseye-debug                     main contrib non-free
deb      http://debug.mirrors.debian.org/debian-debug    bullseye-proposed-updates-debug    main contrib non-free
deb      http://debug.mirrors.debian.org/debian-debug    bullseye-backports-debug           main contrib non-free
# deb      http://debug.mirrors.debian.org/debian-debug    bullseye-backports-debug-sloppy    main contrib non-free