League\CommonMark\Util\Configuration::setConfig PHP Method

    public function setConfig(array $config = [])
    {
        $this->config = $config;
    }

 /**
  * @param array $config
  */
 public function setConfig(array $config = [])
 {
     $this->assertUninitialized('Failed to modify configuration.');
     $this->config->setConfig($config);
 }