fixup! TB 40597: Implement TorSettings module

      this._signalError(error);

      let errorStage = TorConnectStage.FinalError;

      switch (beginStage) {

        case TorConnectStage.Start:

        case TorConnectStage.Offline:

          this._setStage(TorConnectStage.ChooseRegion);

          return;

          if (

            error instanceof TorConnectError &&

            error.code === TorConnectError.BootstrapError

          ) {

            errorStage = TorConnectStage.ChooseRegion;

          }

          // Else, some other unexpected error type. Skip straight to the

          // "FinalError". See tor-browser#43488.

          break;

        case TorConnectStage.ChooseRegion:

          if (regionCode === "automatic") {

          // TODO: Handle a Moat error of the type

          // DomainFrontRequestNetworkError to show a different stage. See

          // tor-browser#43569.

          if (

            regionCode === "automatic" &&

            error instanceof TorConnectError &&

            (error.code === TorConnectError.AllSettingsFailed ||

              error.code === TorConnectError.CannotDetermineCountry ||

              error.code === TorConnectError.NoSettingsForCountry)

          ) {

            // The automatic region failed.

            if (bootstrapAttempt.detectedRegion) {

              this._setStage(TorConnectStage.ConfirmRegion);

            } else {

              this._setStage(TorConnectStage.RegionNotFound);

            }

            return;

            errorStage = bootstrapAttempt.detectedRegion

              ? TorConnectStage.ConfirmRegion

              : TorConnectStage.RegionNotFound;

          }

          // Else, not automatic. Go straight to the final error since the user

          // is unlikely to succeed re-selecting the same region and it would be

          // unexpected for the user to select a different region.

          // See tor-browser#42550.

          // Else, some other error type. Skip straight to the "FinalError". See

          // tor-browser#43488.

          break;

      }

      this._setStage(TorConnectStage.FinalError);

      this._setStage(errorStage);

      return;

    }