Sniffer::__construct( SimplePie\File|SimplePie\HTTP\Response $file )

39    public function __construct(/* File */ $file)40    {41        if (!is_object($file) || !$file instanceof Response) {42            // For BC we're asking for `File`, but internally we accept every `Response` implementation43            throw new InvalidArgumentException(sprintf(44                '%s(): Argument #1 ($file) must be of type %s',45                __METHOD__,46                File::class47            ), 1);48        }49 50        $this->file = $file;51    }