private function getItems()
    {
        $items = [];

        $layer = $this->layerResolver->get();
        $filterList = $this->getFilterList();

        foreach ($filterList->getFilters($layer) as $filter) {
            if ($filter->getRequestVar() == $this->getFilterName()) {
                foreach ($filter->getItems() as $item) {
                    $item->setBaseUrl($this->_redirect->getRedirectUrl());
                    $items[] = $item->toArray(['url', 'count', 'is_selected', 'label']);
                }
            }
        }

        return $items;
    }