Hardly.Thread.SleepInMilliseconds C# (CSharp) Method

        public static void SleepInMilliseconds(int milliseconds)
        {
            SleepInMilliseconds((uint)milliseconds);
        }

        public void SleepTillReady(ulong key)
        {
            int timeToSleep = TimeToSleepFor(key);

            if (timeToSleep > 0)
            {
                Thread.SleepInMilliseconds(timeToSleep);
            }

            lastRequestTime[key] = DateTime.Now;
        }