docs: def _update_record(record):
      """Collates values needed by LOG_FORMAT
  
      This adds additional information to the log record to implement the logging standard.
  
      :return: A log record augmented with the values required by LOG_FORMAT:
       * springtime: LogRecord.asctime, but with a `.` instead of a `,` as the millisecond separator
       * levelname_spring: specifically, "WARN" instead of "WARNING"
       * process_id
       * thread_name
       * logger_name
       * tracing_information: if B3 values have not been collected this will be an empty string
      """
  
      # Standard fields
      dt = datetime.fromtimestamp(record.created)
      # Truncate microseconds to milliseconds
      record.springtime = str(dt)[:-3]
      record.levelname_spring = "WARN" if record.levelname == "WARNING" else record.levelname
      record.process_id = str(os.getpid())
      record.thread_name = (current_thread().getName())[:15]
      record.logger_name = record.name[:40]
      record.tracing_information = ""
  
      # Optional distributed tracing information
      tracing_information = _tracing_information()
      if tracing_information:
          record.tracing_information = "[" + ",".join(tracing_information) + "] "