</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>2.0</dd>
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<h4>veto</h4>
<pre class="methodSignature">void&nbsp;veto()</pre>
<div class="block">Forces the container to ignore the observer method.</div>
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<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/IllegalStateException.html?is-external=true" title="c