code: def __init__(self, j_timer_service, window_converter):
      self._j_timer_service = j_timer_service
      self._window_converter = window_converter
  
imports: from pyflink.datastream import TimerService
  from pyflink.fn_execution.datastream.timerservice import InternalTimerService, N
label_desc: Use image node_id 1 to create a new InternalTimerServiceImpl object from inherited base classes: InternalTimerService with example: obj = InternalTimerServiceImpl(j_timer_service, window_converter)