protected function mergeSuggests(RootPackageInterface $root)
    {
        $suggests = $this->package->getSuggests();
        if (!empty($suggests)) {
            $unwrapped = self::unwrapIfNeeded($root, 'setSuggests');
            $unwrapped->setSuggests(array_merge(
                $root->getSuggests(),
                $suggests
            ));
        }
    }