code: def start_event_loop(self, timeout=0):
      # docstring inherited
      # Set up a SIGINT handler to allow terminating a plot via CTRL-C.
      with _allow_interrupt_macos():
          self._start_event_loop(timeout=timeout)
  
imports: import os
  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, _allow_interrupt
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