code: def _close_button_pressed(self):
      Gcf.destroy(self)
      self.canvas.flush_events()
  
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 2 for calling the FigureManagerMac obj's underlying member method code with example usage: obj._close_button_pressed() without return types