Extra fields by bundle. Type:

The module handler. Type:

protected EntityFieldManager::buildBaseFieldDefinitions($en

protected EntityFieldManager::buildBundleFieldDefinitions($entity_type_id

Static cache of base field definitions. Type:

public EntityFieldManager::getExtraFields($entity_type_id,

Manages the discovery of entity fields. This includes field definitions, base field definitions, and field storage definitions.

public EntityFieldManager::__construct(EntityTypeManagerInterface

The entity type manager. Type:

public EntityFieldManager::setFieldMap(array $field_map)