class Redis

def _bpop(cmd, args)
  options = {}
  case args.last
  when Hash
    options = args.pop
  when Integer
    # Issue deprecation notice in obnoxious mode...
    options[:timeout] = args.pop
  end
  if args.size > 1
    # Issue deprecation notice in obnoxious mode...
  end
  keys = args.flatten
  timeout = options[:timeout] || 0
  synchronize do |client|
    command = [cmd, keys, timeout]
    timeout += client.timeout if timeout > 0
    client.call_with_timeout(command, timeout)
  end
end