val hide_if_empty : ([> `action ], bool) Gobject.propertyval is_important : ([> `action ], bool) Gobject.propertyval label : ([> `action ], string) Gobject.propertyval icon_name : ([> `action ], string) Gobject.propertyval name : ([> `action ], string) Gobject.propertyval sensitive : ([> `action ], bool) Gobject.propertyval short_label : ([> `action ], string) Gobject.propertyval stock_id : ([> `action ], GtkStock.id) Gobject.propertyval tooltip : ([> `action ], string) Gobject.propertyval visible : ([> `action ], bool) Gobject.propertyval visible_horizontal : ([> `action ], bool) Gobject.propertyval visible_vertical : ([> `action ], bool) Gobject.property