All classes that implement ConditionInterface in Drupal 8
- class \Drupal\Core\Config\Entity\Query\Condition
- class \Drupal\Core\Entity\KeyValueStore\Query\Condition
- class \Drupal\Core\Entity\Query\ConditionBase implements ConditionInterface
- class \Drupal\Core\Entity\Query\Null\Condition
- class \Drupal\Core\Entity\Query\Sql\Condition
- class \Drupal\Core\Entity\Query\Sql\pgsql\Condition
- class \Drupal\apigee_edge\Entity\Query\Condition implements ConditionInterface
- class \Drupal\civicrm_entity\Entity\Query\CiviCRM\Condition
- class \Drupal\mongodb\Entity\Condition