3 namespace Drupal\Core\TypedData;
6 * An interface for typed data objects that can be traversed.
8 interface TraversableTypedDataInterface extends TypedDataInterface, \Traversable {
11 * React to changes to a child property or item.
13 * Note that this is invoked after any changes have been applied.
16 * The name of the property or the delta of the list item which is changed.
18 public function onChange($name);