}
        Iterator entries = map.entrySet().iterator();
        while (entries.hasNext()) {
            Map.Entry entry = (Map.Entry) entries.next();
            entry.setValue(Collections.unmodifiableList((List)
                    entry.getValue()));
        }
        return (headerFields = Collections.unmodifiableMap(map));
    }

    public Map getHeaderFields() {

            value = this.connection.getHeaderField(i);
        }
        for ( Entry<String, List<String>> entry : map.entrySet() ) {
            entry.setValue(Collections.unmodifiableList(entry.getValue()));
        }
        return ( this.headerFields = Collections.unmodifiableMap(map) );
    }


    @Override
    public Map<String, List<String>> getHeaderFields () {