class EntityTypeManagerTestEntity

abstract class EntityTypeManagerTestEntity implements \Iterator, ContentEntityInterface {
    
    /**
     * The base field definitions.
     *
     * @var \Drupal\Core\Field\FieldDefinitionInterface[]
     */
    public static $baseFieldDefinitions = [];
    
    /**
     * The bundle field definitions.
     *
     * @var array[]
     *   Keys are entity type IDs, values are arrays of which the keys are bundle
     *   names and the values are field definitions.
     */
    public static $bundleFieldDefinitions = [];
    
    /**
     * {@inheritdoc}
     */
    public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
        return static::$baseFieldDefinitions;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function bundleFieldDefinitions(EntityTypeInterface $entity_type, $bundle, array $base_field_definitions) {
        return isset(static::$bundleFieldDefinitions[$entity_type->id()][$bundle]) ? static::$bundleFieldDefinitions[$entity_type->id()][$bundle] : [];
    }

}