Amazon.EC2.Util.EC2Metadata.FetchData C# (CSharp) Method

        private static string FetchData(string path, bool force)
        {
            try
            {
                if (force || !_cache.ContainsKey(path))
                    _cache[path] = GetData(path);

                return _cache[path];
            }
            catch
            {
                return null;
            }
        }