namespace System
{
    public readonly struct TimeSpan : IAdditionOperators<TimeSpan, TimeSpan, TimeSpan>, IAdditiveIdentity<TimeSpan, TimeSpan>, IComparable, IComparable<TimeSpan>, IComparisonOperators<TimeSpan, TimeSpan>, IDivisionOperators<TimeSpan, double, TimeSpan>, IDivisionOperators<TimeSpan, TimeSpan, double>, IEqualityOperators<TimeSpan, TimeSpan>, IEquatable<TimeSpan>, IFormattable, IMinMaxValue<TimeSpan>, IMultiplicativeIdentity<TimeSpan, double>, IMultiplyOperators<TimeSpan, double, TimeSpan>, IParseable<TimeSpan>, ISpanFormattable, ISpanParseable<TimeSpan>, ISubtractionOperators<TimeSpan, TimeSpan, TimeSpan>, IUnaryNegationOperators<TimeSpan, TimeSpan>, IUnaryPlusOperators<TimeSpan, TimeSpan>
    {
        public static TimeSpan ParseExact(ReadOnlySpan<char> input, string![]! formats, IFormatProvider? formatProvider, TimeSpanStyles styles = TimeSpanStyles.None);
    }
}