private static Set<Server> toServerSet(List<Map<String,?>> l) throws FabricCommunicationException {
  Set<Server> servers=new HashSet<Server>();
  for (  Map<String,?> serverData : l) {
    servers.add(unmarshallServer(serverData));
  }
  return servers;
}

private static Set < Server > toServerSet ( List < Map < String , ? > > l ) throws FabricCommunicationException { Set < Server > servers = new HashSet < Server > ( ) ; for ( Map < String , ? > serverData : l ) { servers . add ( unmarshallServer ( serverData ) ) ; } return servers ; }
convert a list of string / string / bool to server objects .
