/**
* Checks whether the given field can be stored in a shared table.
*
* @param \Drupal\Core\Field\FieldStorageDefinitionInterface $storage_definition
* The field storage definition.
*
* @return bool
* TRUE if the field can be stored in a dedicated table, FALSE otherwise.
*/
public function allowsSharedTableStorage(FieldStorageDefinitionInterface $storage_definition)
{
return !$storage_definition->hasCustomStorage() && $storage_definition->isBaseField() && !$storage_definition->isMultiple();
}
