WP_Customize_Nav_Menu_Setting::preview()
Method: Handle previewing the setting.
Source: wp-includes/customize/class-wp-customize-nav-menu-setting.php:204
Method: Handle previewing the setting.
Source: wp-includes/customize/class-wp-customize-nav-menu-setting.php:204
Method: Handle previewing the setting.
Source: wp-includes/customize/class-wp-customize-nav-menu-item-setting.php:433
Method: Add filters to supply the setting’s value when accessed.
Source: wp-includes/class-wp-customize-setting.php:304