namespace Symfony\Component\DependencyInjection\Extension

Classsort descending Location Description
ConfigurationExtensionInterface drupal/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Extension/ConfigurationExtensionInterface.php ConfigurationExtensionInterface is the interface implemented by container extension classes.
ExtensionInterface drupal/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Extension/ExtensionInterface.php ExtensionInterface is the interface implemented by container extension classes.