volves validation:
 <ul>
     <li>a constraint is hosted on the bean itself</li>
     <li>a constraint is hosted on one of the bean properties</li>
     <li>or a bean property is marked for cascaded validation (<a href="../Valid.html" title="annotation in jakarta.validation"><code>Valid</code></a>)</li>
 </ul>
 <p>
 Constrained methods and constructors are ignored.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if the bean involves validation, <code>false</code> otherwis