public function registerNavigation()
    {
        $configuration = $this->getConfigurationFromYaml();
        if (array_key_exists('navigation', $configuration)) {
            $navigation = $configuration['navigation'];

            if (is_array($navigation)) {
                array_walk_recursive($navigation, function (&$item, $key) {
                    if ($key === 'url') {
                        $item = Backend::url($item);
                    }
                });
            }

            return $navigation;
        }
    }