wp_nav_menu_max_depth()
Function:
Source: wp-admin/nav-menus.php:606
after_menu_locations_table
Action Hook: Fires after the menu locations table is displayed.
Source: wp-admin/nav-menus.php:855
wp_nav_locations_listed_per_menu
Filter Hook: Filters the number of locations listed per menu in the drop-down select.
Source: wp-admin/nav-menus.php:922