anchor.diff:                type = types.lines;
                 description = ''
                   Extra lines to add to the tinc service configuration file.
  +
  +                Note that using the declarative <option>service.tinc.networks.&lt;name&gt;.settings</option>
  +                option is preferred.
                 '';
               };
   
  
positive.code:               description = ''
                  The name of the host in the network as well as the configuration for that host.
                  This name should only contain alphanumerics and underscores.
                '';
              };
  
  
negative.code:               default = "tun";
                type = types.enum [ "tun" "tap" ];
                description = ''
                  The type of virtual interface used for the network connection.
                '';
              };
  
  