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

public ThemeInstallerInterface::install(array $theme_list

public ModuleHandler::loadAllIncludes($type, $name = NULL)

protected ModuleInstaller::updateKernel($module_filenames)

Type:

public ThemeHandler::addTheme(Extension $theme)

protected ModuleHandler::verifyImplementations(&$implementations

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

public ThemeHandlerInterface::themeExists($theme)

public InfoParserDynamic::parse($filename)