public WidgetBase::massageFormValues(array $values, array $form, FormStateInterface

public WidgetInterface::errorElement(array $element, ConstraintViolationInterface

public FieldItemListInterface::generateSampleItems($count

protected FieldItemList::defaultValueWidget(FormStateInterface $form_state)

public FieldStorageDefinitionInterface

The name of the field formatter class. This is not provided manually, it will be added by the discovery mechanism.

An entity field item. Entity field items making use of this base class have to implement the static method propertyDefinitions().

public FieldItemBase::getEntity() Gets

public FieldStorageConfigInterface::ge

Reacts to field storage definition CRUD on behalf of the Entity system. Hierarchy class