def METHOD_NAME(self):
    unlocked = AbstractModel.METHOD_NAME(self)
    if unlocked:
        if self.__cacheStructureWasChanged:
            self.structureChanged.emit()
        if self.__cacheContentWasChanged:
            self.contentChanged.emit()
    self.__cacheStructureWasChanged = False
    self.__cacheContentWasChanged = False
    return unlocked