} else if (hvalue instanceof HttpAcceptEncodingList) {
HttpAcceptEncodingList ael = (HttpAcceptEncodingList) hvalue;
ael.addEncoding(HttpFactory.parseAcceptEncoding(value));
} else if (hvalue instanceof HttpAcceptLanguageList) {
HttpAcceptLanguageList all = (HttpAcceptLanguageList) hvalue;
all.addLanguage(HttpFactory.parseAcceptLanguage(value));
} else if (hvalue instanceof HttpAcceptList) {
HttpAcceptList al = (HttpAcceptList) hvalue;
al.addAccept(HttpFactory.parseAccept(value));
} else if (hvalue instanceof HttpEntityTagList) {
HttpEntityTagList etl = (HttpEntityTagList) hvalue;