internal protected NetworkFileSystem(INodeAddress rootAddress, FileSystemOptions options)
            : base(rootAddress, null, options)
        {
            var comparer = ObjectReferenceIdentityEqualityComparer <INetworkFileSystemClient> .Default;

            this.freeClients = new TimedReferenceDictionary <INetworkFileSystemClient, INetworkFileSystemClient>(TimeSpan.FromMinutes(25), comparer);
            this.freeClientsForBinaryAccess = new TimedReferenceDictionary <INetworkFileSystemClient, INetworkFileSystemClient>(TimeSpan.FromMinutes(25), comparer);

            lock (staticFileSystemsCache)
            {
                IList <NetworkFileSystemWeakReference> fileSystems;
                var uniqueId = this.GetUniqueId();

                if (!staticFileSystemsCache.TryGetValue(uniqueId, out fileSystems))
                {
                    fileSystems = new List <NetworkFileSystemWeakReference>();

                    staticFileSystemsCache[GetUniqueId()] = fileSystems;
                }

                fileSystems.Add(new NetworkFileSystemWeakReference(this));
            }
        }
		internal protected NetworkFileSystem(INodeAddress rootAddress, FileSystemOptions options)
			: base(rootAddress, null, options)
		{
			var comparer = ObjectReferenceIdentityEqualityComparer<INetworkFileSystemClient>.Default;

			this.freeClients = new TimedReferenceDictionary<INetworkFileSystemClient, INetworkFileSystemClient>(TimeSpan.FromMinutes(25), comparer);
			this.freeClientsForBinaryAccess = new TimedReferenceDictionary<INetworkFileSystemClient, INetworkFileSystemClient>(TimeSpan.FromMinutes(25), comparer);

			lock (staticFileSystemsCache)
			{
				IList<NetworkFileSystemWeakReference> fileSystems;
				var uniqueId = this.GetUniqueId();

				if (!staticFileSystemsCache.TryGetValue(uniqueId, out fileSystems))
				{
					fileSystems = new List<NetworkFileSystemWeakReference>();

					staticFileSystemsCache[GetUniqueId()] = fileSystems;
				}

				fileSystems.Add(new NetworkFileSystemWeakReference(this));				
			}
		}