Create and translate menu links in Drupal 8

Programmatically create and translate menu links.

Example:

use Drupal\menu_link_content\Entity\MenuLinkContent;

$menu_item = MenuLinkContent::create([

  'bundle' => 'menu_link_content',

  'langcode' => 'en',

  'title' => 'My menu link',

  'description' => 'My description.',

  'menu_name' => 'main',

  'link' => [['uri' => 'internal:/taxonomy/term/15']],

  'parent' => 'menu_link_content:c8859c9c-a550-45a9-a705-5d032dee525c',

  'weight' => 0,

]);

$menu_item->save();

$menu_item_es = $menu_item->addTranslation('es');

$menu_item_es->title = 'Mi enlace del menú';

$menu_item_es->description = 'Mi descripción.';

$menu_item_es->save();