max-concurrent-queries-for-all-users (and max_concurrent_queries_for_user) are in server configuration docs but using it like this leads to <Error> Application: DB::Exception: A setting 'max_concurrent_queries_for_all_users' appeared at top level in config /etc/clickhouse-server/config.xml. But it is user-level setting that should be located in users.xml inside <profiles> section for specific profile.
ClickHouse version: 22.6.1.1985