class Aws::Plugins::Retries::ClientRateLimiter

def update_sending_rate(is_throttling_error)
  @mutex.synchronize do
    update_measured_rate
    if is_throttling_error
      rate_to_use = if @enabled
                      [@measured_tx_rate, @fill_rate].min
                    else
                      @measured_tx_rate
                    end
      # The fill_rate is from the token bucket
      @last_max_rate = rate_to_use
      calculate_time_window
      @last_throttle_time = Aws::Util.monotonic_seconds
      @calculated_rate = cubic_throttle(rate_to_use)
      enable_token_bucket
    else
      calculate_time_window
      @calculated_rate = cubic_success(Aws::Util.monotonic_seconds)
    end
    new_rate = [@calculated_rate, 2 * @measured_tx_rate].min
    token_bucket_update_rate(new_rate)
  end
end