parent.delete(DELETE_ITEM, writeTombstones);
parent.delete(DeleteScope.ENTIRE_ITEM, writeTombstones);
    void delete(boolean childrenOnly, boolean writeTombstones) throws ServiceException {        MailItem parent = getParent();        if (parent instanceof Conversation && ((Conversation) parent).getMessageCount() == 1)            parent.delete(DELETE_ITEM, writeTombstones);        else            super.delete(childrenOnly, writeTombstones);    }