namespace System
{
    public readonly struct DateTimeOffset : IComparable, IComparable<DateTimeOffset>, IEquatable<DateTimeOffset>, IFormattable, IParsable<DateTimeOffset>, ISpanFormattable, ISpanParsable<DateTimeOffset>, IUtf8SpanFormattable, IDeserializationCallback, ISerializable
    {
        public bool TryFormat(Span<byte> utf8Destination, out int bytesWritten, [StringSyntax("DateTimeFormat")] ReadOnlySpan<char> format = default, IFormatProvider? formatProvider = null);
    }
}