9 files declare their use of EntityManager in Acquia Content Hub 8

ContentEntityCdfNormalizer.php in src/Normalizer/ContentEntityCdfNormalizer.php

ContentHubEntityExportController.php in src/Controller/ContentHubEntityExportController.php

ContentHubEntityRequestHandler.php in src/Controller/ContentHubEntityRequestHandler.php

ContentHubExportQueueBase.php in src/Plugin/QueueWorker/ContentHubExportQueueBase.php

ContentHubSubscriberController.php in acquia_contenthub_subscriber/src/Controller/ContentHubSubscriberController.php

EntityConfigSettingsForm.php in src/Form/EntityConfigSettingsForm.php

EntityManagerTest.php in tests/src/Unit/EntityManagerTest.php

NodeTypePreviewImageForm.php in src/Form/NodeTypePreviewImageForm.php

ResourceRoutes.php in src/Routing/ResourceRoutes.php