class Aws::Plugins::RetryErrors::Handler

def add_retry_headers(context)
  request_pairs = {
    'attempt' => context.retries,
    'max' => context.config.max_attempts
  }
  if (ttl = compute_request_ttl(context))
    request_pairs['ttl'] = ttl
  end
  # create the request header
  formatted_header = request_pairs.map { |k, v| "#{k}=#{v}" }.join('; ')
  context.http_request.headers['amz-sdk-request'] = formatted_header
end