WP_Customize_Nav_Menu_Item_Setting::populate_value()
Method: Ensure that the value is fully populated with the necessary properties.
Source: wp-includes/customize/class-wp-customize-nav-menu-item-setting.php:336
WP_Customize_Nav_Menu_Item_Setting::preview()
Method: Handle previewing the setting.
Source: wp-includes/customize/class-wp-customize-nav-menu-item-setting.php:433
WP_Customize_Nav_Menu_Item_Setting::filter_wp_get_nav_menu_items()
Method: Filters the wp_get_nav_menu_items() result to supply the previewed menu items.
Source: wp-includes/customize/class-wp-customize-nav-menu-item-setting.php:474
WP_Customize_Nav_Menu_Item_Setting::sort_wp_get_nav_menu_items()
Method: Re-apply the tail logic also applied on $items by wp_get_nav_menu_items().
Source: wp-includes/customize/class-wp-customize-nav-menu-item-setting.php:551