How to display snackbar infinite duration in a flutter application

showDefaultSnackbar(BuildContext context) {
  Scaffold.of(context).showSnackBar(
    SnackBar(
      content: Text('Hello from the default snackbar'),
      action: SnackBarAction(
        label: 'Click Me',
        onPressed: () {},
      ),
      duration: Duration(seconds: 365),
    ),
  );
}

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How to display snackbar infinite duration in a flutter application

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