anchor.diff:      };
   
       networking.nat.internalIPs = mkOption {
  -      example = [ "192.168.1.0/24" ] ;
  +      example = "192.168.1.0/24";
         description =
           ''
  -          The IP address ranges for which to perform NAT.  Packets
  -          coming from these networks and destined for the external
  +          The IP address range for which to perform NAT.  Packets
  +          coming from these addresses and destined for the external
             interface will be rewritten.
           '';
       };
  
positive.code:             iptables -t nat -F POSTROUTING
            '';
        };
    };
  }
  
negative.code: # This module enables Network Address Translation (NAT).
  
  { config, pkgs, ... }:
  
  