in lib/active_job/queue_adapters/sqs_adapter.rb [26:33]
def enqueue_all(jobs)
enqueued_count = 0
jobs.group_by(&:queue_name).each do |queue_name, same_queue_jobs|
enqueued_count += enqueue_batches(queue_name, same_queue_jobs)
end
enqueued_count
end