deb https://deb.debian.org/debian/ sid main contrib non-free
deb-src https://deb.debian.org/debian/ sid main contrib non-free

deb https://deb.debian.org/debian/ stretch main contrib non-free
deb-src https://deb.debian.org/debian/ stretch main contrib non-free

deb https://deb.debian.org/debian/ wheezy main contrib non-free
deb-src https://deb.debian.org/debian/ wheezy main contrib non-free

# deb https://security.debian.org/debian-security stretch/updates main contrib non-free
# deb-src https://security.debian.org/debian-security stretch/updates main contrib non-free

# stretch-updates, previously known as 'volatile'
deb https://deb.debian.org/debian/ stretch-updates main contrib non-free
deb-src https://deb.debian.org/debian/ stretch-updates main contrib non-free