class ActiveSupport::Concurrency::Latch

def await
  @inner.wait(nil)
end

def initialize(count = 1)
  if count == 1
    ActiveSupport::Deprecation.warn("ActiveSupport::Concurrency::Latch is deprecated. Please use Concurrent::Event instead.")
  else
    ActiveSupport::Deprecation.warn("ActiveSupport::Concurrency::Latch is deprecated. Please use Concurrent::CountDownLatch instead.")
  end
  @inner = Concurrent::CountDownLatch.new(count)
end

def release
  @inner.count_down
end