public function addPaths(array $paths)
    {
        deprecationWarning(
            'ServerRequest::addPaths() is deprecated. ' .
            'Use `withAttribute($key, $value)` instead.'
        );
        foreach (['webroot', 'here', 'base'] as $element) {
            if (isset($paths[$element])) {
                $this->{$element} = $paths[$element];
            }
        }

        return $this;
    }