ible to override the configuration retrieved from the XML file
 by using one or more of the <code>Configuration</code> methods.
 <p>
 The <a href="../../javax/validation/ValidationProviderResolver.html" title="interface in javax.validation"><code>ValidationProviderResolver</code></a> is specified at configuration time
 (see <a href="../../javax/validation/spi/ValidationProvider.html" title="interface in javax.validation.spi"><code>ValidationProvider</code></a>).
 If none is explicitly requested, the default