class DataType

class DataType extends Plugin {
    
    /**
     * The data type plugin ID.
     *
     * @var string
     */
    public $id;
    
    /**
     * The human-readable name of the data type.
     *
     * @ingroup plugin_translatable
     *
     * @var \Drupal\Core\Annotation\Translation
     */
    public $label;
    
    /**
     * The description of the data type.
     *
     * @ingroup plugin_translatable
     *
     * @var \Drupal\Core\Annotation\Translation
     */
    public $description;
    
    /**
     * The definition class to use for defining data of this type.
     *
     * Must implement the \Drupal\Core\TypedData\DataDefinitionInterface.
     *
     * @var string
     */
    public $definition_class = '\\Drupal\\Core\\TypedData\\DataDefinition';
    
    /**
     * The typed data class used for wrapping multiple data items of the type.
     *
     * Must implement the \Drupal\Core\TypedData\ListInterface.
     *
     * @var string
     */
    public $list_class = '\\Drupal\\Core\\TypedData\\Plugin\\DataType\\ItemList';
    
    /**
     * The definition class to use for defining a list of items of this type.
     *
     * Must implement the \Drupal\Core\TypedData\ListDataDefinitionInterface.
     *
     * @var string
     */
    public $list_definition_class = '\\Drupal\\Core\\TypedData\\ListDataDefinition';
    
    /**
     * An array of validation constraints for this type.
     *
     * @var array
     *
     * @see \Drupal\Core\TypedData\TypedDataManager::getConstraints().
     */
    public $constraints;
    
    /**
     * Whether the typed object wraps the canonical representation of the data.
     *
     * @var bool
     *
     * @see \Drupal\Core\TypedData\TypedDataManager::getCanonicalRepresentation()
     */
    public $unwrap_for_canonical_representation = TRUE;

}