protected ExtensionDiscovery::process(array $all_files)

The CSS asset collection optimizer service. Type:

Contains the features enabled for themes by default. Type:

hook_updater_info() Provide information on Updaters (classes that can update Drupal).

Information returned by

hook_system_info_alter(array &$info, \Drupal\Core\Extension\Extension $file, $type) Alter the information

The info parser to parse the theme.info.yml files. Type:

The uninstall validators. Type: \Drupal\Core\Extension\ModuleUninstallValidatorInterface[] File

public ThemeHandler::setDefault($name) Sets

protected ThemeHandler::doGetBaseThemes(array $themes, $theme, $used_themes