ment-name">requireValidColor</span><wbr><span class="parameters">(int&nbsp;color)</span></div>
</section>
</li>
<li>
<section class="detail" id="getParent()">
<h3>getParent</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a>&lt;<a href="ContainerBasedEntity.html" title="class in com.coding