All classes that implement MigrateExecutableInterface in Drupal 9
- class \Drupal\Tests\migrate\Kernel\Plugin\TestMigrateExecutable
- class \Drupal\Tests\migrate\Kernel\TestMigrateExecutable
- class \Drupal\Tests\migrate\Unit\TestMigrateExecutable
- class \Drupal\migrate\MigrateExecutable implements MigrateExecutableInterface uses StringTranslationTrait
- class \Drupal\migrate_manifest\MigrateExecutable