// CFG: EXTENSION-UUID-LOADED (By default uuid is assumed absent and later tested being there)
$cfg->setConfigEntry('extension_uuid_loaded', false);
+// CFG: REGISTRY-ITERATOR-CLASS
+$cfg->setConfigEntry('registry_iterator_class', 'CoreFramework\Iterator\Registry\RegistryIterator');
+
// Remove config from this name-space. Don't worry, no configuration is cleared.
unset($cfg);