namespace System
{
    [RequiresPreviewFeatures("Generic Math is in preview.", Url = "https://aka.ms/dotnet-warnings/generic-math-preview")]
    public interface IComparisonOperators<TSelf, TOther> : IComparable, IComparable<TOther>, IEqualityOperators<TSelf, TOther>, IEquatable<TOther>
        where TSelf, IComparisonOperators<TSelf, TOther>!
    {
        static bool operator <=(TSelf left, TOther right);
    }
}