def addListener(self, listener, iface=None):
        raise NotImplementedError
Send the 'restore' action to the client widget.
dataset/ETHPy150Open rwl/muntjac/muntjac/event/layout_events.py/ILayoutClickNotifier.addListener--crossover with--dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/widgets/window.py/Window.restore