code: def daemon(self):
      # multiple daemons are supported
      while not self._event.wait(0):
          self._flush.wait(self._wait_timeout)
          self._flush.clear()
          self.send_all_records()
  
      # flush all leftover events
      self.send_all_records()
  
imports: import json
  import sys
  from pathlib2 import Path
  from logging import LogRecord, getLogger, basicConfig, getLevelName, INFO, WARNING, Formatter, makeLogRecord, warning
  from logging.handlers import BufferingHandler
  from .development.worker import DevWorker
  from ...backend_api.services import events
  from ...backend_api.session.session import MaxRequestSizeError
  from ...config import config
  from ...utilities.process.mp import BackgroundMonitor, ForkEvent, ForkQueue
  from ...utilities.process.mp import SafeQueue, SafeEvent
label_desc: Use image node_id 3 for calling the BackgroundLogService obj's underlying member method code with example usage: obj.daemon() without return types