N98\Magento\Command\Developer\Module\UpdateCommand::setGlobalNode PHP Method

    protected function setGlobalNode(InputInterface $input, OutputInterface $output, SimpleXMLElement $configXml)
    {
        if ($this->shouldAddAll($input)) {
            $this->addGlobalNode($configXml, 'blocks', '_Block');
            $this->addGlobalNode($configXml, 'helpers', '_Helper');
            $this->addGlobalNode($configXml, 'models', '_Model');
            $this->addResourceModelNodeIfConfirmed($output, $configXml);
        } else {
            if ($this->shouldAddBlocks($input)) {
                $this->addGlobalNode($configXml, 'blocks', '_Block');
            }
            if ($this->shouldAddHelpers($input)) {
                $this->addGlobalNode($configXml, 'helpers', '_Helper');
            }
            if ($this->shouldAddModels($input)) {
                $this->addGlobalNode($configXml, 'models', '_Model');
                $this->addResourceModelNodeIfConfirmed($output, $configXml);
            }
        }
    }