[Timur@Timur-Zenbook complex]$ gdbus introspect --session --dest org.gnome.SettingsDaemon.Rfkill --object-path /org/gnome/SettingsDaemon/Rfkill
node /org/gnome/SettingsDaemon/Rfkill {
  interface org.freedesktop.DBus.Properties {
    methods:
      Get(in  s interface_name,
          in  s property_name,
          out v value);
      GetAll(in  s interface_name,
             out a{sv} properties);
      Set(in  s interface_name,
          in  s property_name,
          in  v value);
    signals:
      PropertiesChanged(s interface_name,
                        a{sv} changed_properties,
                        as invalidated_properties);
    properties:
  };
  interface org.freedesktop.DBus.Introspectable {
    methods:
      Introspect(out s xml_data);
    signals:
    properties:
  };
  interface org.freedesktop.DBus.Peer {
    methods:
      Ping();
      GetMachineId(out s machine_uuid);
    signals:
    properties:
  };
  @org.freedesktop.DBus.GLib.CSymbol("gsd_rfkill_manager")
  interface org.gnome.SettingsDaemon.Rfkill {
    methods:
    signals:
    properties:
      readwrite b AirplaneMode = false;
      readonly b HardwareAirplaneMode = false;
      readonly b HasAirplaneMode = true;
      readonly b ShouldShowAirplaneMode = true;
      readwrite b BluetoothAirplaneMode = true;
      readonly b BluetoothHardwareAirplaneMode = false;
      readonly b BluetoothHasAirplaneMode = true;
  };
};
[Timur@Timur-Zenbook complex]$