The typed data class used for wrapping multiple data items of the type. Must implement the

public TranslatableInterface::getTranslation($langcode)

public TypedData::getPropertyPath() Returns

public ComplexDataInterface::getDataDefinition()

public TypedDataInterface::getParent()

public static ListDataDefinition::create($item_type)

public TypedDataManager::clearCachedDefinitions()

public DurationInterface::setDuration(\DateInterval $

Type:

public TypedDataInterface::getString()