public ModuleInstaller::addUninstallValidator(ModuleUninstallValidatorInterface

Type: \Drupal\

List of installation profile directories to additionally scan. Type:

public ThemeHandlerInterface::themeExists($theme)

Interface for classes that manage a set of enabled modules. Classes implementing this interface work with a fixed list of modules and are responsible

public ThemeHandlerInterface::getTheme($name)

public ModuleHandlerInterface::writeCache()

public ThemeHandlerInterface::reset()

The site path. Type: string File core/lib/Drupal/Co

hook_module_preinstall($module) Perform necessary actions before a module is installed.