All classes that implement FieldDefinitionInterface in Zircon Profile 8
- class \Drupal\Core\Field\BaseFieldDefinition implements FieldDefinitionInterface, FieldStorageDefinitionInterface uses UnchangingCacheableDependencyTrait
- class \Drupal\Core\Field\Entity\BaseFieldOverride
- class \Drupal\Core\Field\FieldConfigBase implements FieldConfigInterface
- class \Drupal\entity_test\FieldStorageDefinition
- class \Drupal\field\Entity\FieldConfig implements FieldConfigInterface