throw new UnsupportedOperationException();
Set include = new HashSet(names.length); for (int i = 0; i < names.length; i++) { String name = names[i]; include.add(name.toLowerCase()); } List result = new ArrayList(headers.size()); for (Iterator i = headers.entrySet().iterator(); i.hasNext();) { Map.Entry entry = (Map.Entry) i.next(); if (entry.getValue() != null && include.contains(((String)entry.getKey()).toLowerCase())) { result.addAll((List)entry.getValue()); } } return Collections.enumeration(result);
    public Enumeration getMatchingHeaders(String[] names) {        // todo implement        throw new UnsupportedOperationException();    }