wp_nav_menu_taxonomy_meta_boxes()
Function: Creates meta boxes for any taxonomy menu item.
Source: wp-admin/includes/nav-menu.php:244
wp_nav_menu_disabled_check()
Function: Check whether to disable the Menu Locations meta box submit button and inputs.
Source: wp-admin/includes/nav-menu.php:273
wp_nav_menu_item_link_meta_box()
Function: Displays a meta box for the custom links menu item.
Source: wp-admin/includes/nav-menu.php:291
wp_nav_menu_item_post_type_meta_box()
Function: Displays a meta box for a post type menu item.
Source: wp-admin/includes/nav-menu.php:338