All classes that implement ProcessorInterface in Zircon Profile 8
- class \Drupal\aggregator\Plugin\aggregator\processor\DefaultProcessor implements ProcessorInterface, ContainerFactoryPluginInterface uses ConfigFormBaseTrait, UrlGeneratorTrait
- class \Drupal\aggregator_test\Plugin\aggregator\processor\TestProcessor implements ProcessorInterface, ContainerFactoryPluginInterface uses ConfigFormBaseTrait