ExpressionInterface

interface \Drupal\Component\Plugin\ConfigurableInterface; interface \Drupal\Component\Plugin\DependentPluginInterface; interface \Drupal\Component\Plugin\PluginInspectionInterface; interface \Drupal\Core\Executable\ExecutableInterface
- interface \Drupal\rules\Engine\ExpressionInterface implements \Drupal\Core\Executable\ExecutableInterface, \Drupal\Component\Plugin\ConfigurableInterface, \Drupal\Component\Plugin\DependentPluginInterface, \Drupal\Component\Plugin\PluginInspectionInterface
  - interface \Drupal\rules\Engine\ActionExpressionInterface implements \Drupal\rules\Engine\ExpressionInterface
  - interface \Drupal\rules\Engine\ConditionExpressionInterface implements \Drupal\rules\Engine\ExpressionInterface
  - interface \Drupal\rules\Engine\ExpressionContainerInterface implements \Drupal\rules\Engine\ExpressionInterface, \Drupal\rules\Engine\IteratorAggregate