All classes that implement IndexerUsageInterface in Drupal 7 to 8/9 Module Upgrader 8
- class \Drupal\drupalmoduleupgrader\Plugin\DMU\Indexer\Classes implements IndexerUsageInterface
- class \Drupal\drupalmoduleupgrader\Plugin\DMU\Indexer\Constants implements IndexerUsageInterface
- class \Drupal\drupalmoduleupgrader\Plugin\DMU\Indexer\Functions implements IndexerExecutionInterface, IndexerUsageInterface