pub trait MenuItemExt {
    fn deselect(&self);
    fn get_accel_path(&self) -> Option<String>;
    fn get_label(&self) -> Option<String>;
    fn get_reserve_indicator(&self) -> bool;
    fn get_submenu(&self) -> Option<Widget>;
    fn get_use_underline(&self) -> bool;
    fn select(&self);
    fn set_accel_path<'a, P: Into<Option<&'a str>>>(&self, accel_path: P);
    fn set_label(&self, label: &str);
    fn set_reserve_indicator(&self, reserve: bool);
    fn set_submenu<'a, P: IsA<Menu> + 'a, Q: Into<Option<&'a P>>>(
        &self, 
        submenu: Q
    );
    fn set_use_underline(&self, setting: bool);
    fn toggle_size_allocate(&self, allocation: i32);
    fn toggle_size_request(&self, requisition: &mut i32);
    fn get_property_right_justified(&self) -> bool;
    fn set_property_right_justified(&self, right_justified: bool);
    fn connect_activate<F: Fn(&Self) + 'static>(&self, f: F) -> u64;
    fn connect_activate_item<F: Fn(&Self) + 'static>(&self, f: F) -> u64;
    fn connect_deselect<F: Fn(&Self) + 'static>(&self, f: F) -> u64;
    fn connect_select<F: Fn(&Self) + 'static>(&self, f: F) -> u64;
    fn connect_toggle_size_allocate<F: Fn(&Self, i32) + 'static>(
        &self, 
        f: F
    ) -> u64;
}
            Required Methods
            
        Implementors