Expanded class hierarchy of ConditionAggregate

class \Drupal\Core\Entity\Query\ConditionFundamentals
- class \Drupal\Core\Entity\Query\ConditionAggregateBase implements ConditionAggregateInterface
  - class \Drupal\field_sql_storage\Entity\ConditionAggregate
- class \Drupal\Core\Entity\Query\ConditionBase implements ConditionInterface