namespace System
{
    public readonly struct TimeOnly : IComparable, IComparable<TimeOnly>, IEquatable<TimeOnly>, IFormattable, IParsable<TimeOnly>, ISpanFormattable, ISpanParsable<TimeOnly>, IUtf8SpanFormattable
    {
        public static TimeOnly ParseExact(string! s, [StringSyntax("TimeOnlyFormat")] string![]! formats, IFormatProvider? provider, DateTimeStyles style = DateTimeStyles.None);
    }
}