Expanded class hierarchy of MatchEngineInterface in CRM Core 8
- interface \Drupal\Component\Plugin\PluginInspectionInterface; interface \Drupal\Core\Plugin\PluginFormInterface; interface \Drupal\Component\Plugin\ConfigurablePluginInterface
- interface \Drupal\crm_core_match\Plugin\crm_core_match\engine\MatchEngineInterface