public FieldItemList::defaultValuesForm(array &$form, FormStateInterface

public FieldItemList::setValue($values, $notify = TRUE)

public FieldItemList::defaultValuesFormValidate(array $element, array &$form

The langcode of the field values held in the object. Type: string File

public FieldItemList::generateSampleItems($count = 1)

public FieldItemList::__unset($property_name)

public FieldItemList::__set($property_name, $value)

Represents an entity field; that is, a list of field item objects. An entity field is a list of field items, each containing a set of properties

protected FieldItemList::createItem($offset = 0, $value = NULL)

protected FieldItemList::delegateMethod($method)