namespace System
{
    public readonly struct DateTimeOffset : IComparable, IComparable<DateTimeOffset>, IEquatable<DateTimeOffset>, IFormattable, IParsable<DateTimeOffset>, ISpanFormattable, ISpanParsable<DateTimeOffset>, IUtf8SpanFormattable, IDeserializationCallback, ISerializable
    {
        public DateTimeOffset(int year, int month, int day, int hour, int minute, int second, int millisecond, int microsecond, Calendar! calendar, TimeSpan offset);
    }
}