code: def close(self):
      self.setParent(None)
      if self.area is not None and self.area.topContainer is self:
          self.area.topContainer = None
      self.containerChanged(None)
  
imports: import weakref
  from ..Qt import QtCore, QtWidgets
  from .Dock import Dock
label_desc: Use image node_id 7 for calling the Container obj's underlying member method code with example usage: obj.close() without return types