protected function getCommandConfig(Config $config, $command)
    {
        $string = '';
        if (isset($config[$command])) {
            /** @var Config $config */
            $config = $config[$command];
            if ($config->count() > 0) {
                $config = $config->toArray();
                /** @var array $config */
                $string .= $this->commands[$command] . PHP_EOL . '{' . PHP_EOL . "\t";
                $string .= $this->getValuesString($config, true);
                $string .= PHP_EOL . '}' . PHP_EOL;
            }
        }
        return $string;
    }