laoneo

public function countItems() {
  if($this instanceof WorkflowServiceInterface) {
    return $this->getWFcountItems();
  }

// Normal code here
}

laoneo

public function build(&$query)
{
	$this->updateEventParent($query);

	return parent::build($query);
}

public function parse(&$segments)
{
	$this->updateEventParent();