6 files declare their use of FallbackPluginManagerInterface
- BlockManager.php in core/
lib/ Drupal/ Core/ Block/ BlockManager.php - FieldTypeCategoryManager.php in core/
lib/ Drupal/ Core/ Field/ FieldTypeCategoryManager.php - FilterPluginManager.php in core/
modules/ filter/ src/ FilterPluginManager.php - PluginExistsConstraintValidator.php in core/
lib/ Drupal/ Core/ Plugin/ Plugin/ Validation/ Constraint/ PluginExistsConstraintValidator.php - SelectionPluginManager.php in core/
lib/ Drupal/ Core/ Entity/ EntityReferenceSelection/ SelectionPluginManager.php - ViewsHandlerManager.php in core/
modules/ views/ src/ Plugin/ ViewsHandlerManager.php