hook_bundle_info.php.twig

/**
* Implements hook_entity_bundle_info_alter().
*/
function drush_empty_module_entity_bundle_info_alter(array &$bundles): void {
{% for id in entity_type_ids %}
  {% for bundle in infos[id]|keys %}
    $bundles['{{ id }}']['{{ bundle }}']['class'] = \Drupal\{{ machine_name }}\Bundle\{{ id }}\{{ bundle|camelize }}::class;
  {% endfor %}
{% endfor %}
}