public static void Main()
var json = """{"Bar":9.2101e-6}"""u8.ToArray();
var jsonS = Encoding.UTF8.GetString(json);
Console.WriteLine("UTF8:");
Console.WriteLine($"{JsonSerializer.Generic.Utf8.Deserialize<Foo>(json)}");
Console.WriteLine("UTF16:");
Console.WriteLine($"{JsonSerializer.Generic.Utf16.Deserialize<Foo>(jsonS)}");