anchor.diff:  
       networking.vlans = mkOption {
         default = { };
  -      example = {
  +      example = literalExample {
           vlan0 = {
             id = 3;
             interface = "enp3s0";
  
positive.code: 
      networking.bonds = mkOption {
        default = { };
        example = {
          bond0 = {
            interfaces = [ "eth0" "wlan0" ];
            miimon = 100;
  
negative.code: 
      networking.wlanInterfaces = mkOption {
        default = { };
        example = literalExample {
          "wlan-station0" = {
              device = "wlp6s0";
          };
  