anchor.diff:  -module(erldns_config).
   
   -export([
  -         get_servers/0,
  +         get_server_configs/0,
            get_address/1,
            get_port/0,
            get_num_workers/0
  
positive.code:         end, {[], [], 0}, ServerList),
      {Pools, Servers}.
  
  normalize_addresses(IPList) ->
      normalize_addresses(IPList, [] , [], [], []).
  
  
negative.code:             normalize_addresses(Tail, Globalv4, Globalv6, Localv4, [])
      end.
  
  %% @doc This function takes several parameters and creates the config for the server.
  -spec parse_server([{inet:address_family(), inet:ip_address()}],[inet:socket_protocol()],
      inet:port_number(), atom(), term()) -> term().
  parse_server([], _ProtocolList, _Port, _PoolName, Acc) ->
      Acc;
  parse_server([{IPType, IPAddr} = _IP | Tail], ProtocolList, Port, PoolName, Acc0) ->
  