7 files declare their use of SerializationInterface in Drupal 9
- DatabaseStorage.php in core/
lib/ Drupal/ Core/ KeyValueStore/ DatabaseStorage.php - DatabaseStorageExpirable.php in core/
lib/ Drupal/ Core/ KeyValueStore/ DatabaseStorageExpirable.php - FrontMatter.php in core/
lib/ Drupal/ Component/ FrontMatter/ FrontMatter.php - KeyValueDatabaseExpirableFactory.php in core/
lib/ Drupal/ Core/ KeyValueStore/ KeyValueDatabaseExpirableFactory.php - KeyValueDatabaseFactory.php in core/
lib/ Drupal/ Core/ KeyValueStore/ KeyValueDatabaseFactory.php - YamlTest.php in core/
tests/ Drupal/ Tests/ Core/ Serialization/ YamlTest.php - YamlTest.php in core/
tests/ Drupal/ Tests/ Component/ Serialization/ YamlTest.php