one of the application
 classes match the ones specified by the annotation, the container must pass a <tt>null</tt> Set of classes to
 <a href="#onStartup(java.util.Set,jakarta.servlet.ServletContext)"><code>onStartup(java.util.Set&lt;java.lang.Class&lt;?&gt;&gt;, jakarta.servlet.ServletContext)</code></a>.

 <p>
 When examining the classes of an application to see if they match any of the criteria specified by the
 <tt>HandlesTypes</tt> annotation of a <tt>ServletContainerInitializer</tt>, the container ma