Man pages matching name apt-patterns in section 7:

apt-patterns.7.de	debian 11 / apt
apt-patterns.7.en	debian 11 / apt
apt-patterns.7.nl	debian 11 / apt
apt-patterns.7.pt	debian 11 / apt
apt-patterns.7.de	debian 12 / apt
apt-patterns.7.en	debian 12 / apt
apt-patterns.7.nl	debian 12 / apt
apt-patterns.7.pt	debian 12 / apt