hook_updater_info_alter(&$updaters) Alter the Updater information array. An

hook_update_N(&$sandbox) Perform a single update between minor versions.

Filters a RecursiveDirectoryIterator to discover extensions. To ensure the best possible performance for extension discovery, this filter implementation

public ModuleInstaller::addUninstallValidator(ModuleUninstallValidatorInterface

protected ModuleInstaller::updateKernel($module_filenames)

public ThemeHandlerInterface::getTheme($name)

public ThemeHandlerInterface::themeExists($theme)

public ThemeHandlerInterface::rebuildThemeData()

public ThemeInstallerInterface::install(array $theme_list

public ModuleHandler::addModule($name, $path)