Review of public Ref(external count, Thread.Yield, error return) about imtools HOT 4 OPEN

        public static X TryEnterWriteLock(ref X value, TimeSpan timeout)
        {
         // https://github.com/dotnet/corefx/blob/3b24c535852d19274362ad3dbc75e932b7d41766/src/Common/src/CoreLib/System/Threading/ReaderWriterLockSlim.cs#L233 

   var tracker = new TimeoutTracker(timeout);

             if (tracker.IsExpired)
                {
                    throw new TimeoutException("Some other lock is hold for too long time");
                }