app.set_activation_policy(ActivationPolicy::Accessory);

  /// Sets the activation policy for the application. It is set to `NSApplicationActivationPolicyRegular` by default.
  ///
  /// # Examples
  /// ```,no_run
  /// let mut app = tauri::Builder::default()
  ///   // on an actual app, remove the string argument
  ///   .build(tauri::generate_context!("test/fixture/src-tauri/tauri.conf.json"))
  ///   .expect("error while building tauri application");
  /// #[cfg(target_os = "macos")]
  /// app.set_activation_policy(tauri::ActivationPolicy::Accessory);
  /// app.run(|_app_handle, _event| {});
  /// ```