up__nodes.html#gadfa882b6e42a3a993d12392d55260b00">YAML_NULL_TAG</a>&nbsp;&nbsp;&nbsp;&quot;tag:yaml.org,2002:null&quot;</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">The tag <code>!!null</code> with the only possible value: <code>null</code>.  <a href="#gadfa882b6e42a3a993d12392d55260b00"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__nodes.html#ga312629a1f51e91b136352db