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UserNameItem

class \Drupal\Core\TypedData\TypedData extends \Drupal\Core\TypedData\TypedDataInterface, \Drupal\Component\Plugin\PluginInspectionInterface uses \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\TypedData\TypedDataTrait
- class \Drupal\Core\Config\Schema\Element implements \Drupal\Core\TypedData\TypedData
- class \Drupal\Core\Entity\Plugin\DataType\EntityAdapter extends \Drupal\Core\Entity\Plugin\DataType\IteratorAggregate, \Drupal\Core\TypedData\ComplexDataInterface implements \Drupal\Core\TypedData\TypedData
- class \Drupal\Core\TypedData\DataReferenceBase extends \Drupal\Core\TypedData\DataReferenceInterface implements \Drupal\Core\TypedData\TypedData
- class \Drupal\Core\TypedData\Plugin\DataType\Any implements \Drupal\Core\TypedData\TypedData
- class \Drupal\Core\TypedData\Plugin\DataType\ItemList extends \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, \Drupal\Core\TypedData\ListInterface implements \Drupal\Core\TypedData\TypedData
- class \Drupal\Core\TypedData\Plugin\DataType\Language implements \Drupal\Core\TypedData\TypedData
- class \Drupal\Core\TypedData\Plugin\DataType\Map extends \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, \Drupal\Core\TypedData\ComplexDataInterface implements \Drupal\Core\TypedData\TypedData
  - class \Drupal\Core\Field\FieldItemBase extends \Drupal\Core\Field\FieldItemInterface implements \Drupal\Core\TypedData\Plugin\DataType\Map
    - class \Drupal\comment\Plugin\Field\FieldType\CommentItem extends \Drupal\comment\Plugin\Field\FieldType\CommentItemInterface implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\Core\Field\Plugin\Field\FieldType\BooleanItem extends \Drupal\Core\TypedData\OptionsProviderInterface implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\Core\Field\Plugin\Field\FieldType\EmailItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItemBase extends \Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItemInterface implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\Core\Field\Plugin\Field\FieldType\LanguageItem extends \Drupal\Core\TypedData\OptionsProviderInterface implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\Core\Field\Plugin\Field\FieldType\MapItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\Core\Field\Plugin\Field\FieldType\NumericItemBase implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\Core\Field\Plugin\Field\FieldType\StringItemBase implements \Drupal\Core\Field\FieldItemBase
      - class \Drupal\Core\Field\Plugin\Field\FieldType\StringItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItemBase
        class \Drupal\Core\Field\Plugin\Field\FieldType\PasswordItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItem
        class \Drupal\Core\Field\Plugin\Field\FieldType\UriItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItem
        class \Drupal\Core\Field\Plugin\Field\FieldType\UuidItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItem
        class \Drupal\entity_test\Plugin\Field\FieldType\ComputedTestCacheableStringItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItem
        class \Drupal\entity_test\Plugin\Field\FieldType\InternalPropertyTestFieldItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItem
        class \Drupal\entity_test\Plugin\Field\FieldType\SingleInternalPropertyTestFieldItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItem
        class \Drupal\user\TimeZoneItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItem
        class \Drupal\user\UserNameItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItem
      - class \Drupal\Core\Field\Plugin\Field\FieldType\StringLongItem implements \Drupal\Core\Field\Plugin\Field\FieldType\StringItemBase
    - class \Drupal\Core\Field\Plugin\Field\FieldType\TimestampItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\datetime\Plugin\Field\FieldType\DateTimeItem extends \Drupal\datetime\Plugin\Field\FieldType\DateTimeItemInterface implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\entity_test\Plugin\Field\FieldType\FieldTestItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\entity_test\Plugin\Field\FieldType\SerializedItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\entity_test\Plugin\Field\FieldType\SerializedPropertyItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\entity_test\Plugin\Field\FieldType\ShapeItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\entity_test_update\Plugin\Field\FieldType\MultiValueTestItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\field_test\Plugin\Field\FieldType\TestItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\field_test\Plugin\Field\FieldType\TestObjectItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\image_module_test\Plugin\Field\FieldType\DummyAjaxItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\jsonapi_test_reference_types\Plugin\Field\FieldType\DeprecatedReferenceItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\layout_builder\Plugin\Field\FieldType\LayoutSectionItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\link\Plugin\Field\FieldType\LinkItem extends \Drupal\link\LinkItemInterface implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\options\Plugin\Field\FieldType\ListItemBase extends \Drupal\Core\TypedData\OptionsProviderInterface implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\path\Plugin\Field\FieldType\PathItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\telephone\Plugin\Field\FieldType\TelephoneItem implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\Tests\Core\Entity\StubFieldItemBase implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\Tests\Core\Field\FieldItemTestClass implements \Drupal\Core\Field\FieldItemBase
    - class \Drupal\text\Plugin\Field\FieldType\TextItemBase implements \Drupal\Core\Field\FieldItemBase
- class \Drupal\Core\TypedData\PrimitiveBase extends \Drupal\Core\TypedData\PrimitiveInterface implements \Drupal\Core\TypedData\TypedData
- class \Drupal\datetime\DateTimeComputed implements \Drupal\Core\TypedData\TypedData
- class \Drupal\entity_test\TypedData\ComputedString extends \Drupal\Core\Cache\CacheableDependencyInterface implements \Drupal\Core\TypedData\TypedData
- class \Drupal\file\ComputedFileUrl implements \Drupal\Core\TypedData\TypedData
- class \Drupal\layout_builder\Plugin\DataType\SectionData implements \Drupal\Core\TypedData\TypedData
- class \Drupal\Tests\Core\Plugin\Fixtures\Plugin\DataType\TestDataType implements \Drupal\Core\TypedData\TypedData
- class \Drupal\text\TextProcessed extends \Drupal\Core\Cache\CacheableDependencyInterface implements \Drupal\Core\TypedData\TypedData

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