The edited menu link. Type:

public MenuLinkBase::isTranslatable() Returns

public MenuLinkDefault::__construct(array $configuration, $plugin_id

public MenuLinkInterface::getTranslateRoute()

The module handler service. Type:

public MenuLinkTreeInterface::load($menu_name, MenuTreeParameters

protected MenuLinkTree::createInstances(array $data_tree)

The current route match. Type:

Stores definitions that have already been loaded for better performance. An array of plugin definition arrays, keyed by plugin ID.

public MenuLinkInterface::updateLink(array $new_definition_values