TreeBuilder example

use Monolog\Level;
use Shopware\Core\DevOps\Environment\EnvironmentHelper;
use Shopware\Core\Framework\Log\Package;
use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;

#[Package('core')] class Configuration implements ConfigurationInterface
{
    public function getConfigTreeBuilder(): TreeBuilder
    {
        $treeBuilder = new TreeBuilder('elasticsearch');

        $debug = EnvironmentHelper::getVariable('APP_ENV', 'prod') !== 'prod';

        $rootNode = $treeBuilder->getRootNode();
        $rootNode
            ->children()
                ->booleanNode('enabled')->end()
                ->booleanNode('indexing_enabled')->end()
                ->integerNode('indexing_batch_size')->defaultValue(100)->end()
                ->scalarNode('hosts')->end()
                ->scalarNode('index_prefix')->end()
                

use Shopware\Storefront\Theme\ConfigLoader\DatabaseAvailableThemeProvider;
use Shopware\Storefront\Theme\ConfigLoader\DatabaseConfigLoader;
use Shopware\Storefront\Theme\SeedingThemePathBuilder;
use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;

#[Package('storefront')] class Configuration implements ConfigurationInterface
{
    public function getConfigTreeBuilder(): TreeBuilder
    {
        $treeBuilder = new TreeBuilder('storefront');

        $rootNode = $treeBuilder->getRootNode();

        $rootNode
            ->children()
                ->arrayNode('reverse_proxy')
                    ->children()
                        ->booleanNode('enabled')->end()
                        ->booleanNode('use_varnish_xkey')->defaultFalse()->end()
                        ->arrayNode('hosts')->performNoDeepMerging()->scalarPrototype()->end()->end()
                        ->integerNode('max_parallel_invalidations')->defaultValue(2)->end()
                        

use Shopware\Core\Framework\Log\Package;
use Shopware\Core\Framework\Util\MemorySizeCalculator;
use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;

#[Package('core')] class Configuration implements ConfigurationInterface
{
    public function getConfigTreeBuilder(): TreeBuilder
    {
        $treeBuilder = new TreeBuilder('shopware');

        $rootNode = $treeBuilder->getRootNode();
        $rootNode
            ->children()
                ->append($this->createNumberRangeSection())
                ->append($this->createProfilerSection())
                ->append($this->createFilesystemSection())
                ->append($this->createCdnSection())
                ->append($this->createApiSection())
                ->append($this->createStoreSection())
                ->append($this->createCartSection())