class DefaultHttpHeaderManager implements HttpHeaderManager {

    @Override
    public void addHeader(String name, String value) {
        if (headers.containsKey(name.toUpperCase(locale))) {
            headers.get(name.toUpperCase(locale)).addValue(value);
        } else {
            DefaultHttpHeader header = new DefaultHttpHeader(name, value);
            headers.put(name.toUpperCase(locale), header);
        }
    }

    public  DefaultHttpHeaderManager();

}