ParserInterface

class \Drupal\aggregator\Plugin\aggregator\parser\DefaultParser implements \Drupal\aggregator\Plugin\ParserInterface uses \Drupal\Core\Messenger\MessengerTrait
class \Drupal\aggregator_test\Plugin\aggregator\parser\TestParser extends \Drupal\aggregator\Plugin\aggregator\parser\DefaultParser implements \Drupal\aggregator\Plugin\ParserInterface

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.