sync
{
    ts
    {
        plugin                      Smartcat

        data
        {
            token_id                12345678-abcd-9876-5432-abcdef012345

            log_file                /var/log/smartcat.log
        }
    }
}

sync
{
    ts
    {
                                    /* plugin name has changed */
        plugin                      smartcat_v2

        data
        {
            /* `token_id` parameter was renamed to `account_id` */
            account_id              12345678-abcd-9876-5432-abcdef012345

            /* `log_file` parameter is no longer supported */
            /*log_file                /var/log/smartcat.log*/
        }
    }
}