https://api.drupal.org/api/drupal/core%21modules%21aggregator%21src%21Annotation%21AggregatorProcessor.php/property/AggregatorProcessor%3A%3Aid/9
AggregatorProcessor::$id | Drupal API
iddrupalapi
https://api.drupal.org/api/drupal/core%21modules%21aggregator%21src%21Annotation%21AggregatorProcessor.php/class/AggregatorProcessor/8.9.x
class AggregatorProcessor | Drupal API
classdrupalapi