All classes that implement EntityReferenceFieldItemListInterface in Drupal 10
- class \Drupal\Core\Field\EntityReferenceFieldItemList implements EntityReferenceFieldItemListInterface
- class \Drupal\entity_test\Plugin\Field\ComputedReferenceTestFieldItemList uses ComputedItemListTrait
- class \Drupal\file\Plugin\Field\FieldType\FileFieldItemList