Map<String,ZEmailAddress> cache = new HashMap<String, ZEmailAddress>(); return new ZConversation(invoke(req).getElement(MailService.E_CONV), cache);
return new ZConversation(invoke(req).getElement(MailService.E_CONV));
    public ZConversation getConversation(String id, Fetch fetch) throws ServiceException {        XMLElement req = new XMLElement(MailService.GET_CONV_REQUEST);        Element convEl = req.addElement(MailService.E_CONV);        convEl.addAttribute(MailService.A_ID, id);        if (fetch != null && fetch != Fetch.none && fetch != Fetch.hits) {            // use "1" for "first" for backward compat until DF is updated            convEl.addAttribute(MailService.A_FETCH, fetch == Fetch.first ? "1" : fetch.name());        }                        Map<String,ZEmailAddress> cache = new HashMap<String, ZEmailAddress>();        return new ZConversation(invoke(req).getElement(MailService.E_CONV), cache);    }