namespace System.Numerics
{
    public readonly struct Complex : IEquatable<Complex>, IFormattable, IParsable<Complex>, ISpanFormattable, ISpanParsable<Complex>, IUtf8SpanFormattable, IUtf8SpanParsable<Complex>, IAdditionOperators<Complex, Complex, Complex>, IAdditiveIdentity<Complex, Complex>, IDecrementOperators<Complex>, IDivisionOperators<Complex, Complex, Complex>, IEqualityOperators<Complex, Complex, bool>, IIncrementOperators<Complex>, IMultiplicativeIdentity<Complex, Complex>, IMultiplyOperators<Complex, Complex, Complex>, INumberBase<Complex>, ISignedNumber<Complex>, ISubtractionOperators<Complex, Complex, Complex>, IUnaryNegationOperators<Complex, Complex>, IUnaryPlusOperators<Complex, Complex>
    {
        public bool TryFormat(Span<byte> utf8Destination, out int bytesWritten, [StringSyntax("NumericFormat")] ReadOnlySpan<char> format = default, IFormatProvider? provider = null);
    }
}