All classes that implement OperationInterface in Drupal 9
- class \Drupal\Composer\Plugin\Scaffold\Operations\AbstractOperation implements OperationInterface
- class \Drupal\Composer\Plugin\Scaffold\Operations\AppendOp
- class \Drupal\Composer\Plugin\Scaffold\Operations\ReplaceOp
- class \Drupal\Composer\Plugin\Scaffold\Operations\SkipOp