private function getVirtualRuleReadHandler()
    {
        if ($this->virtualRuleReadHandler === null) {
            $this->virtualRuleReadHandler = $this->_universalFactory->create(VirtualRuleReadHandler::class);
        }

        return $this->virtualRuleReadHandler;
    }
private function getVirtualRuleReadHandler()
    {
        if ($this->virtualRuleReadHandler === null) {
            $this->virtualRuleReadHandler = $this->_universalFactory->create(VirtualRuleReadHandler::class);
        }

        return $this->virtualRuleReadHandler;
    }
private function getVirtualRuleReadHandler ( ) { if ( $ this -> virtualRuleReadHandler === null ) { $ this -> virtualRuleReadHandler = $ this -> _universalFactory -> create ( VirtualRuleReadHandler :: class ) ; } return $ this -> virtualRuleReadHandler ; }
Virtual rule read handler.

@return \Smile\ElasticsuiteVirtualCategory\Model\Category\Attribute\VirtualRule\ReadHandler
Virtual rule read handler .