Expanded class hierarchy of Undefined in Drupal 9
- class \Drupal\Core\TypedData\TypedData implements PluginInspectionInterface, TypedDataInterface uses DependencySerializationTrait, StringTranslationTrait, TypedDataTrait
- class \Drupal\charts\Plugin\DataType\ChartConfigData
- class \Drupal\Core\Config\Schema\Element
- class \Drupal\Core\Config\Schema\ArrayElement implements \Drupal\Core\Config\Schema\IteratorAggregate, TypedConfigInterface, ComplexDataInterface
- class \Drupal\Core\Config\Schema\Ignore
- class \Drupal\Core\Config\Schema\Undefined
- class \Drupal\Core\Entity\Plugin\DataType\EntityAdapter implements \Drupal\Core\Entity\Plugin\DataType\IteratorAggregate, ComplexDataInterface
- class \Drupal\Core\TypedData\DataReferenceBase implements DataReferenceInterface
- class \Drupal\Core\TypedData\Plugin\DataType\Any
- class \Drupal\Core\TypedData\Plugin\DataType\ItemList implements \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, ListInterface
- class \Drupal\Core\TypedData\Plugin\DataType\Language
- class \Drupal\Core\TypedData\Plugin\DataType\Map implements \Drupal\Core\TypedData\Plugin\DataType\IteratorAggregate, ComplexDataInterface
- class \Drupal\Core\TypedData\PrimitiveBase implements PrimitiveInterface
- class \Drupal\datetime\DateTimeComputed
- class \Drupal\entity_test\TypedData\ComputedString implements CacheableDependencyInterface
- class \Drupal\field_encrypt\EncryptedFieldComputedProperty
- class \Drupal\file\ComputedFileUrl
- class \Drupal\fraction\FractionDecimalProperty
- class \Drupal\fraction\FractionProperty
- class \Drupal\layout_builder\Plugin\DataType\SectionData
- class \Drupal\search_api_solr\Plugin\DataType\SolrDocument implements \Drupal\search_api_solr\Plugin\DataType\IteratorAggregate, ComplexDataInterface
- class \Drupal\search_api_solr\Plugin\DataType\SolrField implements \Drupal\search_api_solr\Plugin\DataType\IteratorAggregate
- class \Drupal\Tests\Core\Plugin\Fixtures\Plugin\DataType\TestDataType
- class \Drupal\text\TextProcessed implements CacheableDependencyInterface