public function getThumbnailSizeList(): array
    {
        $thumbnails = [];
        $versions = Configure::read('ThumbnailVersions', []);
        foreach ($versions as $version => $definition) {
            $thumbnails[$version] = sprintf(
                '%s (%d x %d)',
                ucfirst($version),
                $definition['thumbnail']['width'],
                $definition['thumbnail']['height']
            );
        }

        return $thumbnails;
    }