 and <span class="bold"><strong>end_time </strong></span>
                          parameters specify range of log records from the entire log set that must be verified for a time range. Either of them can be 0, to specify an open ended range. If both of them are 0 (by default), the entire log is verified. 
                    </p>
          <p>
                    Note that the time range specified is not precise, because such a time range is converted to an lsn range based on the time points we know from