https://api.drupal.org/api/drupal/core%21modules%21migrate%21src%21Event%21MigrateRollbackEvent.php/class/hierarchy/MigrateRollbackEvent/8.9.x
MigrateRollbackEvent | Drupal API
drupalapi
https://api.drupal.org/api/drupal/core%21modules%21migrate%21src%21Event%21MigrateRollbackEvent.php/function/MigrateRollbackEvent%3A%3A__construct/8.9.x
function MigrateRollbackEvent::__construct | Drupal API
functionconstructdrupalapi