protected function addModuleIdPostFix($moduleId)
    {
        // undo previously applied prefixes (if any)
        $this->data->rawData['modules'][ $moduleId ]['prefixed_name'] = null;
        $this->prefixModuleName($moduleId);

        // postfix the module ID
        $module = $this->data->rawData['modules'][ $moduleId ];

        $this->data->rawData['modules'][ $moduleId ]['prefixed_name'] =
            trim(array_get($module, 'prefixed_name') ?: $module['name']) . ' ' . $moduleId;
    }