Register User Switching plugin switch back URL nonce as a Third Party integration with LiteSpeed Cache

lscwp-3rd-user-switching.cls.php

<?php
/**
 * The Third Party integration with User Switching plugin.
 *
 * @since        2.9.9.2
 * @package        LiteSpeed_Cache
 * @subpackage    LiteSpeed_Cache/thirdparty
 * @author        LiteSpeed Technologies <info@litespeedtech.com>
 */
if ( ! defined( 'ABSPATH' ) ) {
    die() ;
}

LiteSpeed_Cache_API::register( 'LiteSpeed_Cache_ThirdParty_User_Switching' ) ;

class LiteSpeed_Cache_ThirdParty_User_Switching
{
    /**
     * Detects if User Switching is installed
     *
     * @since 2.9.9.2
     * @access public
     */
    public static function detect()
    {
        if ( ! class_exists('user_switching') ) {
            return ;
        }

        /**
         * Register switch back URL nonce
         * @since  2.9.9.2
         */
        if ( function_exists('current_user_switched') && $old_user = current_user_switched() ) {
            LiteSpeed_Cache_API::nonce_action( 'switch_to_olduser_' . $old_user->ID ) ;
        }        
    }
}

This will be added into v3.0