public function config($key, $value)
    {
        $this->arguments[] = '--config';
        $this->arguments[] = $key . '=' . $value;
        return $this;
    }
public function config($key, $value)
    {
        $this->arguments[] = '--config';
        $this->arguments[] = $key . '=' . $value;
        return $this;
    }
public function config ( $ key , $ value ) { $ this -> arguments [ ] = '--config' ; $ this -> arguments [ ] = $ key . '=' . $ value ; return $ this ; }
Add the config option to the command line.

@param string $key   The config key.

@param string $value The config value.

@return CloneCommandBuilder
Add the config option to the command line .