7 files declare their use of EntityQueueInterface in Entityqueue 8

EntityQueue.php in src/Entity/EntityQueue.php

EntityQueueForm.php in src/Form/EntityQueueForm.php

EntityQueueUIController.php in src/Controller/EntityQueueUIController.php

EntitySubqueue.php in src/Entity/EntitySubqueue.php

Multiple.php in src/Plugin/EntityQueueHandler/Multiple.php

Simple.php in src/Plugin/EntityQueueHandler/Simple.php

SmartQueue.php in modules/entityqueue_smartqueue/src/Plugin/EntityQueueHandler/SmartQueue.php