FieldItemListInterface

class \Drupal\Core\Field\ChangedFieldItemList implements \Drupal\Core\Field\FieldItemList
class \Drupal\Core\Field\EntityReferenceFieldItemList extends \Drupal\Core\Field\EntityReferenceFieldItemListInterface implements \Drupal\Core\Field\FieldItemList
class \Drupal\Core\Field\FieldItemList extends \Drupal\Core\Field\FieldItemListInterface implements \Drupal\Core\TypedData\Plugin\DataType\ItemList
class \Drupal\Core\Field\MapFieldItemList implements \Drupal\Core\Field\FieldItemList
class \Drupal\comment\CommentFieldItemList implements \Drupal\Core\Field\FieldItemList
class \Drupal\content_moderation\Plugin\Field\ModerationStateFieldItemList uses \Drupal\Core\TypedData\ComputedItemListTrait implements \Drupal\Core\Field\FieldItemList
class \Drupal\datetime\Plugin\Field\FieldType\DateTimeFieldItemList implements \Drupal\Core\Field\FieldItemList
class \Drupal\datetime_range\Plugin\Field\FieldType\DateRangeFieldItemList implements \Drupal\datetime\Plugin\Field\FieldType\DateTimeFieldItemList
class \Drupal\entity_test\Plugin\Field\ComputedReferenceTestFieldItemList uses \Drupal\Core\TypedData\ComputedItemListTrait implements \Drupal\Core\Field\EntityReferenceFieldItemList
class \Drupal\entity_test\Plugin\Field\ComputedTestCacheableStringItemList uses \Drupal\Core\TypedData\ComputedItemListTrait implements \Drupal\Core\Field\FieldItemList
class \Drupal\entity_test\Plugin\Field\ComputedTestFieldItemList uses \Drupal\Core\TypedData\ComputedItemListTrait implements \Drupal\Core\Field\FieldItemList
class \Drupal\file\Plugin\Field\FieldType\FileFieldItemList implements \Drupal\Core\Field\EntityReferenceFieldItemList
class \Drupal\layout_builder\Field\LayoutSectionItemList extends \Drupal\layout_builder\SectionListInterface uses \Drupal\layout_builder\SectionListTrait implements \Drupal\Core\Field\FieldItemList
class \Drupal\path\Plugin\Field\FieldType\PathFieldItemList uses \Drupal\Core\TypedData\ComputedItemListTrait implements \Drupal\Core\Field\FieldItemList

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