public function lists()
    {
        $parts = explode('.', $this->file->filename);

        $extension = array_pop($parts);

        $name = $this->file->path(implode('.', $parts));

        $files = glob($this->file->realPath("{$name}-*"));

        array_walk($files, function (&$file) {
            $file = substr($file, strrpos($file, '/') + 1, strlen($file));
            $file = $this->file->path($file);
        });

        return collect($files);
    }