/**
* {@inheritdoc}
*/
public static function calculateStorageDependencies(FieldStorageDefinitionInterface $field_definition)
{
$dependencies = parent::calculateStorageDependencies($field_definition);
$target_entity_type = \Drupal::entityManager()->getDefinition($field_definition->getSetting('target_type'));
$dependencies['module'][] = $target_entity_type->getProvider();
return $dependencies;
}
