protected function addRouter(\SimpleXMLElement $simpleXml, $area)
{
$this->removeChildNodeIfNotNull($simpleXml->{$area}, 'routers');
$areaNode = $simpleXml->{$area} ? $simpleXml->{$area} : $simpleXml->addChild($area);
$routers = $areaNode->addChild('routers');
$moduleNamespace = $routers->addChild($this->getLowercaseModuleNamespace());
$moduleNamespace->addChild('use', $this->configNodes['use']);
$args = $moduleNamespace->addChild('args');
$args->addChild('module', $this->getLowercaseModuleNamespace());
$args->addChild('frontName', $this->configNodes['frontname']);
}