/**
  * Clears the current scroll window if there is a scroll_id stored
  *
  * @return void
  */
 private function clearScroll()
 {
     if (!empty($this->scroll_id)) {
         $this->client->clearScroll(array('scroll_id' => $this->scroll_id, 'client' => array('ignore' => 404)));
         $this->scroll_id = null;
     }
 }
 /**
  * Clears the current scroll window if there is a scroll_id stored
  *
  * @return void
  */
 public function clearScroll()
 {
     if (!empty($this->scrollId)) {
         $scrollId = $this->scrollId;
         $this->scrollId = null;
         $this->client->clearScroll(['scroll_id' => $scrollId]);
     }
 }