protected void prepare(Mailbox mbx, ZimbraQueryResultsImpl res, MailboxIndex mbidx, int chunkSize) throws IOException, ServiceException {
protected void prepare(Mailbox mbx, ZimbraQueryResultsImpl res, MailboxIndex mbidx, int chunkSize) {
    protected void prepare(Mailbox mbx, ZimbraQueryResultsImpl res,                MailboxIndex mbidx, int chunkSize) throws IOException, ServiceException {    }