code: def start_event_loop(self, timeout=0):
      # docstring inherited
      with _maybe_allow_interrupt():
          # Call the objc implementation of the event loop after
          # setting up the interrupt handling
          self._start_event_loop(timeout=timeout)
  
imports: import contextlib
  import os
  import signal
  import socket
  import matplotlib
  from matplotlib import _api, cbook
  from matplotlib._pylab_helpers import Gcf
  from .None import _macosx
  from .backend_agg import FigureCanvasAgg
  from matplotlib.backend_bases import _Backend, FigureCanvasBase, FigureManagerBase, NavigationToolbar2, ResizeEvent, TimerBase
label_desc: Use image node_id 8 for calling the FigureCanvasMac obj's underlying member method code with example usage: obj.start_event_loop(timeout) without return types