Group profile — a (concurrency, rate) pair that can be applied to one or
more group keys. Profiles passed under groups on registerQueue are
configured idempotently at bootstrap. Profiles passed to queue.group(key, profile)
are configured lazily on first use and memoized per process.
Group profile — a (concurrency, rate) pair that can be applied to one or more group keys. Profiles passed under
groupsonregisterQueueare configured idempotently at bootstrap. Profiles passed toqueue.group(key, profile)are configured lazily on first use and memoized per process.