options_field_storage_config_delete(FieldStorageConfigInterface $field_storage) Implements
options_field_storage_config_update_forbid(FieldStorageConfigInterface $field_storage, FieldStorageConfigInterface $prior_field_storage)
Defines selection, check box and radio button widgets for text and numeric fields. File core/modules/options/options
_options_values_in_use($entity_type, $field_name, $values) Checks if a list of values are being used in actual
options_allowed_values(FieldStorageDefinitionInterface $definition, FieldableEntityInterface $entity = NULL) Returns
options_help($route_name, RouteMatchInterface $route_match) Implements
options_field_storage_config_update(FieldStorageConfigInterface $field_storage) Implements