Expanded class hierarchy of RequirementsAwareSourceInterface in Zircon Profile 8
- interface \Drupal\migrate\Plugin\MigrateSourceInterface extends \Drupal\migrate\Plugin\Countable \Drupal\migrate\Plugin\Iterator; interface \Drupal\migrate\Plugin\RequirementsInterface
- interface \Drupal\Tests\migrate\Unit\RequirementsAwareSourceInterface