hook_contextual_links_alter(array &$links, $group, array $route_parameters) Alter contextual links before

public MenuTreeStorageInterface::getAllChildIds($id)

public MenuTreeStorageInterface::getSubtreeHeight($id)

public MenuLinkTreeInterface::load($menu_name, MenuTreeParameters

public MenuLinkManager::getParentIds($id)

The access manager. Type:

Provides some default values for the definition of all menu link plugins. @todo Decide how to keep these field definitions in sync.

protected MenuTreeStorage::definitionFields()

protected MenuTreeStorage::moveChildren($fields, $original)

public MenuLinkDefaultForm::setMenuLinkInstance(MenuLinkInterface