public function getItemPushNotificationHelperText(): string 	{ 		if ($this->item instanceof Blog) { 			return 'novosti'; 		}  		if ($this->item instanceof Order) { 			return 'narudžbi'; 		}  		if ($this->item instanceof BuyerReturn) { 			return $this->item->isReclamation() ? 'reklamaciji' : 'servisu'; 		}  		if ($this->item instanceof Transport) { 			return 'prijevozu'; 		}  		return ''; 	}