def METHOD_NAME(self, event=None, checkVisibility=True):
    # Synchronizes colormapped data if changed
    if event in (ItemChangedType.DATA, ItemChangedType.MASK):
        data = self._getConcatenatedData(copy=False)
        return self._setColormappedData(data, copy=False)
    super().METHOD_NAME(event=event, checkVisibility=checkVisibility)