if (needToOutput(fields, Change.MODIFIED_CONFLICT))
if (needToOutput(fields, Change.MODIFIED_CONFLICT)) {
    private static Element encodeMessageCommon(Element parent, ZimbraContext lc, MailItem mi, int fields) {        Element elem = parent.addElement(MailService.E_MSG);        // DO NOT encode the item-id here, as some Invite-Messages-In-Appointments have special item-id's        if (needToOutput(fields, Change.MODIFIED_CONTENT) && mi.getSavedSequence() != 0)            elem.addAttribute(MailService.A_REVISION, mi.getSavedSequence());        if (needToOutput(fields, Change.MODIFIED_SIZE))            elem.addAttribute(MailService.A_SIZE, mi.getSize());        if (needToOutput(fields, Change.MODIFIED_DATE))            elem.addAttribute(MailService.A_DATE, mi.getDate());        if (needToOutput(fields, Change.MODIFIED_FOLDER))            elem.addAttribute(MailService.A_FOLDER, lc.formatItemId(mi.getFolderId()));        if (mi instanceof Message) {            Message msg = (Message)mi;            if (needToOutput(fields, Change.MODIFIED_PARENT) && (fields != NOTIFY_FIELDS || msg.getConversationId() != -1))                elem.addAttribute(MailService.A_CONV_ID, lc.formatItemId(msg.getConversationId()));        }        recordItemTags(elem, mi, fields);        if (needToOutput(fields, Change.MODIFIED_CONFLICT))            elem.addAttribute(MailService.A_CHANGE_DATE, mi.getChangeDate() / 1000);        return elem;    }