Inheritance: implements IteratorAggregat\IteratorAggregate, use trait Cake\Datasource\QueryTrait
 /**
  * Calls a finder method directly and applies it to the passed query,
  * if no query is passed a new one will be created and returned
  *
  * @param string $type name of the finder to be called
  * @param \Cake\ElasticSearch\Query $query The query object to apply the finder options to
  * @param array $options List of options to pass to the finder
  * @return \Cake\ElasticSearch\Query
  * @throws \BadMethodCallException
  */
 public function callFinder($type, Query $query, $options = [])
 {
     $query->applyOptions($options);
     $options = $query->getOptions();
     $finder = 'find' . ucfirst($type);
     if (method_exists($this, $finder)) {
         return $this->{$finder}($query, $options);
     }
     throw new \BadMethodCallException(sprintf('Unknown finder method "%s"', $type));
 }