An array keyed by field type. Each value is an array whose key are entity types including arrays in the same form that $fieldMap. It helps access

public EntityFieldManager::getFieldStorageDefinitions($enti

The entity display repository. Type:

The typed data manager. Type:

Static cache of field storage definitions per entity type. Elements of the array: $entity_type_id:

Static cache of field definitions per bundle and entity type. Type:

public EntityFieldManager::getFieldMapByFieldType($field_type)