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<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Returns:</span></p></td>
<td><p><code class="computeroutput">true</code>, if the <code class="computeroutput">*this</code> identifies a log record, <code class="computeroutput">false</code>, if the <code class="computeroutput">*this</code> is not valid </p></td>
</tr></tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">bool</span> <a name="idm23070-bb"></a><span class="keyword">operator</span><s