pub const MAX_POOL_MAX_CONCURRENT_STREAMS: u32 = 1_000_000;Expand description
Validation ceiling on upstreams[].pool.max_concurrent_streams
(DP-03): one million concurrent streams per connection is well
above any real h2 peer’s advertised limit, so this only catches a
typo. The floor is 1 (a zero-concurrency client can never send).