anchor.diff:      ncurses
       neomutt
       networkmanagerapplet
  -    nix-repl
       nmap
       nodejs
       notmuch
  
positive.code: 
    services = {
      prometheus = {
        enable = true;
        listenAddress = "0.0.0.0:9090";
        ruleFiles = [ "/home/andsild/work/prometheus-config/rules.d/" ] ;
      };
  
negative.code:           collection-langeuropean
            collection-langfrench
            collection-langgerman
            # collection-langindic
            collection-langitalian
            collection-langjapanese
  