All classes that implement PreQueryProcessorInterface in Facets 8
- class \Drupal\facets\Plugin\facets\processor\UrlProcessorHandler implements BuildProcessorInterface, PreQueryProcessorInterface
- class \Drupal\facets_custom_widget\Plugin\facets\processor\InvalidQT implements PreQueryProcessorInterface
- class \Drupal\facets_custom_widget\Plugin\facets\processor\TestPreQuery implements PreQueryProcessorInterface
- class \Drupal\facets_range_widget\Plugin\facets\processor\RangeSliderProcessor implements BuildProcessorInterface, PreQueryProcessorInterface