code: @Override
    public void retry(VolleyError error) throws VolleyError {
      currentRetryCount++;
      currentTimeoutMs += (currentTimeoutMs * backoffMultiplier);
      if (!hasAttemptRemaining()) {
        throw error;
      }
    }
docs: Prepares for the next retry by applying a backoff to the timeout.
  
  @param error The error code of the last attempt.