N98\Magento\Command\Developer\Module\UpdateCommand::addDefault PHP Метод

    protected function addDefault(\SimpleXMLElement $simpleXml)
    {
        $defaultNode = $simpleXml->default ? $simpleXml->default : $simpleXml->addChild('default');
        $sectionNode = $defaultNode->{$this->configNodes['default_section_name']} ? $defaultNode->{$this->configNodes['default_section_name']} : $defaultNode->addChild($this->configNodes['default_section_name']);
        $groupNode = $sectionNode->{$this->configNodes['default_group_name']} ? $sectionNode->{$this->configNodes['default_group_name']} : $sectionNode->addChild($this->configNodes['default_group_name']);
        $this->removeChildNodeIfNotNull($groupNode, $this->configNodes['default_field_name']);
        $groupNode->addChild($this->configNodes['default_field_name'], $this->configNodes['default_field_value']);
    }