maybeWhen<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. {TResult intSelection(
    1. Map<String, Callback> values
    )?,
  2. TResult boolSelection(
    1. Callback trueCallback,
    2. Callback falseCallback
    )?,
  3. TResult navigatorPushNamed(
    1. String value,
    2. Map<String, String>? arguments
    )?,
  4. TResult navigatorPop(
    1. Object? value
    )?,
  5. TResult launchUrl(
    1. String url,
    2. String? path,
    3. Map<String, String>? params
    )?,
  6. TResult copyClipboard(
    1. String text,
    2. Callback? callback
    )?,
  7. TResult networkRequest(
    1. NetworkRequest request,
    2. Callback? callback
    )?,
  8. TResult showSnackBar(
    1. SnackBar snackBar
    )?,
  9. TResult hideCurrentSnackBar(
    1. SnackBarClosedReason reason
    )?,
  10. TResult removeCurrentSnackBar(
    1. SnackBarClosedReason reason
    )?,
  11. TResult clearMaterialBanners(
      )?,
    1. TResult hideCurrentMaterialBanner(
      1. MaterialBannerClosedReason reason
      )?,
    2. TResult removeCurrentMaterialBanner(
      1. MaterialBannerClosedReason reason
      )?,
    3. TResult showMaterialBanner(
      1. MaterialBanner materialBanner
      )?,
    4. TResult empty(
        )?,
      1. TResult reload(
          )?,
        1. required TResult orElse(
            )}
          )
          @optionalTypeArgs, inherited

          Implementation

          @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>({
  TResult Function(Map<String, Callback> values)? intSelection,
  TResult Function(Callback trueCallback, Callback falseCallback)?
      boolSelection,
  TResult Function(String value, Map<String, String>? arguments)?
      navigatorPushNamed,
  TResult Function(Object? value)? navigatorPop,
  TResult Function(String url, String? path, Map<String, String>? params)?
      launchUrl,
  TResult Function(String text, Callback? callback)? copyClipboard,
  TResult Function(NetworkRequest request, Callback? callback)?
      networkRequest,
  TResult Function(SnackBar snackBar)? showSnackBar,
  TResult Function(SnackBarClosedReason reason)? hideCurrentSnackBar,
  TResult Function(SnackBarClosedReason reason)? removeCurrentSnackBar,
  TResult Function()? clearMaterialBanners,
  TResult Function(MaterialBannerClosedReason reason)?
      hideCurrentMaterialBanner,
  TResult Function(MaterialBannerClosedReason reason)?
      removeCurrentMaterialBanner,
  TResult Function(MaterialBanner materialBanner)? showMaterialBanner,
  TResult Function()? empty,
  TResult Function()? reload,
  required TResult orElse(),
}) =>
    throw _privateConstructorUsedError;