@property
    def modified(self):
        raise NotImplementedError

    # Lifecycle methods
Adds a menu item to the menu bar being constructed.
dataset/ETHPy150Open basho/riak-python-client/riak/datatypes/datatype.py/Datatype.modified--crossover with--dataset/ETHPy150Open enthought/traitsui/traitsui/editors/table_editor.py/BaseTableEditor.add_to_menu