Defines an interface for a class which can update a Drupal project. An Updater currently serves the following purposes:

public static UpdaterInterface::getProjectName($directory)

public Updater::postUpdateTasks() Returns

public static Module::canUpdateDirectory($directory)

public Module::getSchemaUpdates() Returns available

public Theme::postInstallTasks() Returns an array

public Updater::postInstallTasks() Returns

public static Updater::factory($source, $root) Returns

public UpdaterInterface::postUpdate()

public Updater::postInstall() Performs actions