public StreamOptions()
		{
			MaxInMemoryBuffer = 1024 * 1024 * 256;
			InitialInMemoryBuffer = 1024 * 1024 * 4;
			Comparator = new ByteWiseComparator();
			FilterPolicy = new BloomFilterPolicy(caseInsensitive: false);
			Storage = new InMemoryLowLevelStorage(BufferPool);
		}
			public InMemoryFileStream(BufferPool bufferPool, string name, InMemoryLowLevelStorage storage) : base(bufferPool)
			{
				_name = name;
				_storage = storage;
				Tuple<byte[], long> value;
				if(_storage._files.TryRemove(name, out value))
					_storage._bufferPool.Return(value.Item1);
			}