protected FieldStorageConfig::getFieldItemClass()

protected static ConfigImporterFieldPurger

public FieldStorageConfig::getPropertyNames()

public FieldItemList::filterEmptyItems() Filters

public BaseFieldDefinition::setDisplayOptions($display_context

The human-readable name of the field type. Type:

Type: array

public WidgetBase::flagErrors(FieldItemListInterface $items, ConstraintViolationListInterface

hook_field_info_alter(&$info) Perform alterations on Field API field types.

public BaseFieldDefinition::isQueryable()