/**
* @param DebugBar|null $debugBar
* @param Config|null $config
* @return $this
*/
public function addConfig(DebugBar $debugBar = null, Config $config = null)
{
if (null === $debugBar) {
return $this;
}
$debugBar->addCollector(new \DebugBar\DataCollector\ConfigCollector($config->all()));
return $this;
}