Queries if model is mutable.
An immutable gio.MenuModel will never emit the items-changed signal. Consumers of the model may make optimisations accordingly.
TRUE if the model is mutable (ie: "items-changed" may be emitted).
2.32
Queries if model is mutable.
An immutable gio.MenuModel will never emit the items-changed signal. Consumers of the model may make optimisations accordingly.