public function getResources(\core_kernel_classes_Class $rootClass, $format = 'list', $selectedUris = [], $search = '', $offset = 0, $limit = 30)
    {
        $propertyFilters = $this->getPropertyFilters($search);

        $result = [];

        $resourceLookup = $this->getResourceLookup($format);
        if (!is_null($resourceLookup)) {
            $result = $resourceLookup->getResources($rootClass, $selectedUris, $propertyFilters, $offset, $limit);
        }
        return $result;
    }