public function getItems(\core_kernel_classes_Class $itemClass, array $propertyFilters = [], $offset = 0, $limit = 30)
    {
        $result = $this->getListResourceLookupService()->getResources($itemClass, [], $propertyFilters, $offset, $limit);

        array_map(function($item){
            return array_merge($item, [
                'categories' => $this->getCategoryService()->getItemCategories($this->getResource($item['uri']))
            ]);
        }, $result['nodes']);

        return $result;
    }