namespace Drupal\Core\Plugin\Plugin\Validation\Constraint
| Object name | File name | Summary |
|---|---|---|
| PluginExistsConstraint | core/lib/Drupal/Core/Plugin/Plugin/Validation/Constraint/PluginExistsConstraint.php | Checks if a plugin exists and optionally implements a particular interface. |
| PluginExistsConstraintValidator | core/lib/Drupal/Core/Plugin/Plugin/Validation/Constraint/PluginExistsConstraintValidator.php | Validates the PluginExists constraint. |