menu_ui_menu_insert

menu_ui_menu_insert(Menu $menu)

function menu_ui_menu_insert(Menu $menu) {
  menu_cache_clear_all();
  // Invalidate the block cache to update menu-based derivatives.
  if (\Drupal::moduleHandler()->moduleExists('block')) {
    \Drupal::service('plugin.manager.block')->clearCachedDefinitions();
  }
}