Raven.ManagedStorage.Degenerate.PersistentDictionary.RemoveInternal C# (CSharp) Метод

        private void RemoveInternal(JToken key)
        {
            PositionInFile _;
            keyToFilePos.TryRemove(key, out _);
            WasteCount += 1;
            lock (index)
                index.Remove(key);
        }