Gtk.AccelGroup.prototype.disconnect

function disconnect(closure:GObject.Closure):Boolean {
    // Gjs wrapper for gtk_accel_group_disconnect()
}

Removes an accelerator previously installed through Gtk.AccelGroup.prototype.connect.

Since 2.20 closure can be null.

closure: the closure to remove from this accelerator group, or null to remove all closures
Returns: true if the closure was found and got disconnected