All classes that implement BlockFieldSelectionInterface in Block field 8
- class \Drupal\block_field\BlockFieldSelectionBase implements BlockFieldSelectionInterface, ConfigurableInterface
- class \Drupal\block_field\Plugin\block_field\BlockFieldSelection\Blocks uses DependencySerializationTrait, StringTranslationTrait
- class \Drupal\block_field\Plugin\block_field\BlockFieldSelection\Categories uses DependencySerializationTrait, StringTranslationTrait