protected function mergeConfigs()
    {
        $repo   = $this->getConfigRepository();
        $config = $repo->get(static::CONFIG_FILE_NAME_WO_EXT, []);
        $base   = $this->getBaseConfig();
        $result = $config + $base;
        $repo->set(static::CONFIG_FILE_NAME_WO_EXT, $result);
    }