--- /dev/null
+<?php
+
+namespace Symfony\Component\Routing\Loader\Configurator;
+
+return function (RoutingConfigurator $routes) {
+ $add = $routes->collection('c_')
+ ->prefix('pub');
+
+ $add('bar', '/bar');
+
+ $add->collection('pub_')
+ ->host('host')
+ ->add('buz', 'buz');
+};