Timeout.cs

using System.Runtime.InteropServices;

namespace System.Threading
{
    [ComVisible(true)]
    [__DynamicallyInvokable]
    public static class Timeout
    {
        [ComVisible(false)]
        [__DynamicallyInvokable]
        public static readonly TimeSpan InfiniteTimeSpan = new TimeSpan(0, 0, 0, 0, -1);

        [__DynamicallyInvokable]
        public const int Infinite = -1;

        internal const uint UnsignedInfinite = uint.MaxValue;
    }
}