whitesports/app/wp-content/plugins/nextend-face.../NSL/Persistent/Storage/Transient.php

<?php

namespace NSL\Persistent\Storage;

class Transient extends StorageAbstract {

    public function __construct($user_id = false) {
        if ($user_id === false) {
            $user_id = get_current_user_id();
        }
        $this->sessionId = 'nsl_persistent_' . $user_id;
    }
}