addEsiSection example

$parentPackages = (array) $parentPackage;
            $parentPackages[] = 'symfony/framework-bundle';

            return ContainerBuilder::willBeAvailable($package, $class, $parentPackages);
        };

        $enableIfStandalone = fn (string $package, string $class) => !class_exists(FullStack::class) && $willBeAvailable($package, $class) ? 'canBeDisabled' : 'canBeEnabled';

        $this->addCsrfSection($rootNode);
        $this->addFormSection($rootNode, $enableIfStandalone);
        $this->addHttpCacheSection($rootNode);
        $this->addEsiSection($rootNode);
        $this->addSsiSection($rootNode);
        $this->addFragmentsSection($rootNode);
        $this->addProfilerSection($rootNode);
        $this->addWorkflowSection($rootNode);
        $this->addRouterSection($rootNode);
        $this->addSessionSection($rootNode);
        $this->addRequestSection($rootNode);
        $this->addAssetsSection($rootNode, $enableIfStandalone);
        $this->addAssetMapperSection($rootNode, $enableIfStandalone);
        $this->addTranslatorSection($rootNode, $enableIfStandalone);
        $this->addValidationSection($rootNode, $enableIfStandalone);