installation, returning multisite tables only on multisite. * - 'ms_global' - returns the multisite global tables, regardless if current installation is multisite. * - 'old' - returns tables which are deprecated. * * @since 3.0.0 * @since 6.1.0 `old` now includes deprecated multisite global tables only on multisite. * * @uses wpdb::$tables * @uses wpdb::$old_tables * @uses wpdb::$global_tables * @uses wpdb::$ms_global_tables * @uses wpdb::$old_ms_global_tables * * @param string $scope Optional. Possible values include 'all', 'global', 'ms_global', 'blog', * or 'old' tables. Default 'all'. * @param bool $prefix Optional. Whether to include table prefixes. If blog prefix is requested, * then the custom users and usermeta tables will be mapped. Default true. * @param int $blog_id Optional. The blog_id to prefix. Used only when prefix is requested. * Defaults to `wpdb::$blogid`. * @return string[] Table names. When a prefix is requested, the key is the unprefixed tabl