wp_nav_menu_post_type_meta_boxes()
Function: Creates meta boxes for any post type menu item.
Source: wp-admin/includes/nav-menu.php:209
nav_menu_meta_box_object
Filter Hook: Filters whether a menu items meta box will be added for the current object type.
Source: wp-admin/includes/nav-menu.php:229
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