| ActiveTheme::$baseThemeExtensions           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Theme/ActiveTheme.php           | 
                                                                                        An array of base theme extension objects keyed by name.           | 
              
          
                                                                                        | ActiveTheme::$extension           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Theme/ActiveTheme.php           | 
                                                                                        The extension object.           | 
              
          
                                                                                        | ActiveTheme::getBaseThemeExtensions           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Theme/ActiveTheme.php           | 
                                                                                        Returns an array of base theme extension objects keyed by name.           | 
              
          
                                                                                        | ActiveTheme::getExtension           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Theme/ActiveTheme.php           | 
                                                                                        Returns the extension object.           | 
              
          
                                                                                        | AdminController::$moduleExtensionList           | 
                                                                                        property           | 
                                                                                        core/modules/system/src/Controller/AdminController.php           | 
                                                                                        The module extension list.           | 
              
          
                                                                                        | Archiver::$extensions           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Archiver/Annotation/Archiver.php           | 
                                                                                        An array of valid extensions for this archiver.           | 
              
          
                                                                                        | ArchiverManager::getExtensions           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Archiver/ArchiverManager.php           | 
                                                                                        Returns a string of supported archive extensions.           | 
              
          
                                                                                        | ConfigImporter::$extensionChangelist           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        List of extension changes to be processed by the import().           | 
              
          
                                                                                        | ConfigImporter::$moduleExtensionList           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        The module extension list.           | 
              
          
                                                                                        | ConfigImporter::$processedExtensions           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        List of extension changes processed by the import().           | 
              
          
                                                                                        | ConfigImporter::$themeExtensionList           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        The theme extension list.           | 
              
          
                                                                                        | ConfigImporter::$totalExtensionsToProcess           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        The total number of extensions to process.           | 
              
          
                                                                                        | ConfigImporter::createExtensionChangelist           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        Populates the extension change list.           | 
              
          
                                                                                        | ConfigImporter::getEmptyExtensionsProcessedList           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        Gets an empty list of extensions to process.           | 
              
          
                                                                                        | ConfigImporter::getExtensionChangelist           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        Gets a list changes for extensions.           | 
              
          
                                                                                        | ConfigImporter::getNextExtensionOperation           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        Gets the next extension operation to perform.           | 
              
          
                                                                                        | ConfigImporter::getProcessedExtensions           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        Gets list of processed extension changes.           | 
              
          
                                                                                        | ConfigImporter::getUnprocessedExtensions           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        Gets a list of unprocessed changes for extensions.           | 
              
          
                                                                                        | ConfigImporter::processExtension           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        Processes an extension change.           | 
              
          
                                                                                        | ConfigImporter::processExtensions           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        Processes extensions as a batch operation.           | 
              
          
                                                                                        | ConfigImporter::setProcessedExtension           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigImporter.php           | 
                                                                                        Sets an extension change as processed.           | 
              
          
                                                                                        | ConfigImporterTest::testMissingCoreExtension           | 
                                                                                        function           | 
                                                                                        core/tests/Drupal/KernelTests/Core/Config/ConfigImporterTest.php           | 
                                                                                        Tests missing core.extension during configuration import.           | 
              
          
                                                                                        | ConfigImportSubscriber::$moduleExtensionList           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php           | 
                                                                                        Module extension list.           | 
              
          
                                                                                        | ConfigImportUITest::testExtensionValidation           | 
                                                                                        function           | 
                                                                                        core/modules/config/tests/src/Functional/ConfigImportUITest.php           | 
                                                                                        Tests config importer cannot uninstall extensions which are depended on.           | 
              
          
                                                                                        | ConfigInstaller::$extensionPathResolver           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigInstaller.php           | 
                                                                                        The extension path resolver.           | 
              
          
                                                                                        | ConfigInstaller::getEnabledExtensions           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigInstaller.php           | 
                                                                                        Gets the list of enabled extensions including both modules and themes.           | 
              
          
                                                                                        | ConfigManager::$extensionPathResolver           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Config/ConfigManager.php           | 
                                                                                        The extension path resolver.           | 
              
          
                                                                                        | ConfigSingleImportForm::$moduleExtensionList           | 
                                                                                        property           | 
                                                                                        core/modules/config/src/Form/ConfigSingleImportForm.php           | 
                                                                                        The module extension list.           | 
              
          
                                                                                        | ConfigSingleImportForm::$themeExtensionList           | 
                                                                                        property           | 
                                                                                        core/modules/config/src/Form/ConfigSingleImportForm.php           | 
                                                                                        The theme extension list.           | 
              
          
                                                                                        | ConfigSync::$moduleExtensionList           | 
                                                                                        property           | 
                                                                                        core/modules/config/src/Form/ConfigSync.php           | 
                                                                                        The module extension list.           | 
              
          
                                                                                        | ConfigSync::$themeExtensionList           | 
                                                                                        property           | 
                                                                                        core/modules/config/src/Form/ConfigSync.php           | 
                                                                                        The theme extension list.           | 
              
          
                                                                                        | ConvertImageEffect::getDerivativeExtension           | 
                                                                                        function           | 
                                                                                        core/modules/image/src/Plugin/ImageEffect/ConvertImageEffect.php           | 
                                                                                        Returns the extension of the derivative after applying this image effect.           | 
              
          
                                                                                        | core.extension.schema.yml           | 
                                                                                        file           | 
                                                                                        core/config/schema/core.extension.schema.yml           | 
                                                                                        core/config/schema/core.extension.schema.yml           | 
              
          
                                                                                        | core.extension.yml           | 
                                                                                        file           | 
                                                                                        core/config/install/core.extension.yml           | 
                                                                                        core/config/install/core.extension.yml           | 
              
          
                                                                                        | DatabaseDriverUninstallValidator::$moduleExtensionList           | 
                                                                                        property           | 
                                                                                        core/lib/Drupal/Core/Extension/DatabaseDriverUninstallValidator.php           | 
                                                                                        The module extension list.           | 
              
          
                                                                                        | DebugExtension           | 
                                                                                        class           | 
                                                                                        core/lib/Drupal/Core/Template/DebugExtension.php           | 
                                                                                        A class providing Drupal Twig Debug extension.           | 
              
          
                                                                                        | DebugExtension.php           | 
                                                                                        file           | 
                                                                                        core/lib/Drupal/Core/Template/DebugExtension.php           | 
                                                                                                   | 
              
          
                                                                                        | DebugExtension::dump           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Template/DebugExtension.php           | 
                                                                                        Dumps information about variables using Symfony VarDumper.           | 
              
          
                                                                                        | DebugExtension::getFunctions           | 
                                                                                        function           | 
                                                                                        core/lib/Drupal/Core/Template/DebugExtension.php           | 
                                                                                                   | 
              
          
                                                                                        | DebugExtension::SYMFONY_VAR_DUMPER_CLASS           | 
                                                                                        constant           | 
                                                                                        core/lib/Drupal/Core/Template/DebugExtension.php           | 
                                                                                        The Symfony VarDumper class.           | 
              
          
                                                                                        | DefaultConfigTest::assertExtensionConfig           | 
                                                                                        function           | 
                                                                                        core/tests/Drupal/KernelTests/Config/DefaultConfigTest.php           | 
                                                                                        Tests that the config provided by the extension is correct.           | 
              
          
                                                                                        | DrupalMedia::$moduleExtensionList           | 
                                                                                        property           | 
                                                                                        core/modules/ckeditor/src/Plugin/CKEditorPlugin/DrupalMedia.php           | 
                                                                                        The module extension list.           | 
              
          
                                                                                        | DrupalMediaLibrary::$moduleExtensionList           | 
                                                                                        property           | 
                                                                                        core/modules/ckeditor/src/Plugin/CKEditorPlugin/DrupalMediaLibrary.php           | 
                                                                                        The module extension list.           | 
              
          
                                                                                        | DRUPAL_EXTENSION_NAME_MAX_LENGTH           | 
                                                                                        constant           | 
                                                                                        core/includes/bootstrap.inc           | 
                                                                                        The maximum number of characters in a module or theme name.           | 
              
          
                                                                                        | drupal_phpunit_contrib_extension_directory_roots           | 
                                                                                        function           | 
                                                                                        core/tests/bootstrap.php           | 
                                                                                        Returns directories under which contributed extensions may exist.           | 
              
          
                                                                                        | drupal_phpunit_find_extension_directories           | 
                                                                                        function           | 
                                                                                        core/tests/bootstrap.php           | 
                                                                                        Finds all valid extension directories recursively within a given directory.           | 
              
          
                                                                                        | drupal_phpunit_get_extension_namespaces           | 
                                                                                        function           | 
                                                                                        core/tests/bootstrap.php           | 
                                                                                        Registers the namespace for each extension directory with the autoloader.           | 
              
          
                                                                                        | Extension           | 
                                                                                        class           | 
                                                                                        core/modules/system/src/Plugin/migrate/source/Extension.php           | 
                                                                                        Drupal 6/7 system data for a legacy extension source from database.           | 
              
          
                                                                                        | Extension           | 
                                                                                        class           | 
                                                                                        core/lib/Drupal/Core/Extension/Extension.php           | 
                                                                                        Defines an extension (file) object.           | 
              
          
                                                                                        | extension.list.module           | 
                                                                                        service           | 
                                                                                        core/core.services.yml           | 
                                                                                        Drupal\Core\Extension\ModuleExtensionList           |