entation is a class that can perform validation
 (correctness checks) on a <a href="../component/EditableValueHolder.html" title="interface in jakarta.faces.component"><code>EditableValueHolder</code></a>. Zero or more <code>Validator</code>s
 can be associated with each <a href="../component/EditableValueHolder.html" title="interface in jakarta.faces.component"><code>EditableValueHolder</code></a> in the view, and are called during
 the <em>Process Validations</em> phase of the request processing lifecycle