# File lib/aws/core/log_formatter.rb, line 319
        def default

          pattern = []
          pattern << "[AWS"
          pattern << ":service"
          pattern << ":http_response_status"
          pattern << ":duration"
          pattern << ":retry_count retries]"
          pattern << ":operation(:options)"
          pattern << ":error_class"
          pattern << ":error_message"

          LogFormatter.new(pattern.join(' ') + "\n")

        end