Expanded class hierarchy of Mapping

class \Drupal\Core\TypedData\TypedData implements TypedDataInterface
- class \Drupal\comment\FieldNewValue
- class \Drupal\Core\Config\Schema\Element
  - class \Drupal\Core\Config\Schema\ArrayElement implements \IteratorAggregate, \ArrayAccess, \Countable
    class \Drupal\Core\Config\Schema\Mapping implements ComplexDataInterface
    
    class \Drupal\Core\Config\Schema\Sequence implements ListInterface
  - class \Drupal\Core\Config\Schema\Property
  - class \Drupal\locale\LocaleTypedConfig
- class \Drupal\Core\Entity\Field\Type\EntityTranslation implements \IteratorAggregate, AccessibleInterface, ComplexDataInterface
- class \Drupal\Core\Entity\Field\Type\EntityWrapper implements \IteratorAggregate, ComplexDataInterface
- class \Drupal\Core\TypedData\ItemList implements \Drupal\Core\TypedData\IteratorAggregate, ListInterface
- class \Drupal\Core\TypedData\Type\Any
- class \Drupal\Core\TypedData\Type\Binary
- class \Drupal\Core\TypedData\Type\Boolean
- class \Drupal\Core\TypedData\Type\Date
- class \Drupal\Core\TypedData\Type\Duration
- class \Drupal\Core\TypedData\Type\Float
- class \Drupal\Core\TypedData\Type\Integer
- class \Drupal\Core\TypedData\Type\Language
- class \Drupal\Core\TypedData\Type\Map implements \Drupal\Core\TypedData\Type\IteratorAggregate, ComplexDataInterface
- class \Drupal\Core\TypedData\Type\String
- class \Drupal\Core\TypedData\Type\Uri
- class \Drupal\text\TextProcessed