callback_allowed_values_function(FieldStorageDefinitionInterface $definition, FieldableEntityInterface $entity = NULL, &$cacheable = TRUE)

hook_options_list_alter(array &$options, array $context) Alters the list of options to be displayed for

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_field_views_data(FieldStorageConfigInterface $field) Implements

options_allowed_values(FieldStorageDefinitionInterface $definition, FieldableEntityInterface $entity = NULL) Returns

options_help($route_name, RouteMatchInterface $route_match) Implements

Provide Views data for