public static function get_pages_possible_jumps_returns() {
        return new external_single_structure(
            array(
                'jumps' => new external_multiple_structure(
                    new external_single_structure(
                        array(
                            'pageid' => new external_value(PARAM_INT, 'The page id'),
                            'answerid' => new external_value(PARAM_INT, 'The answer id'),
                            'jumpto' => new external_value(PARAM_INT, 'The jump (page id or type of jump)'),
                            'calculatedjump' => new external_value(PARAM_INT, 'The real page id (or EOL) to jump'),
                        ), 'Jump for a page answer'
                    )
                ),
                'warnings' => new external_warnings(),
            )
        );
    }