/// <summary>
            /// Adds the <paramref name="node"/> as a subnode to this <see cref="DictionaryNode"/>.
            /// </summary>
            /// <param name="node"></param>
            ///
            public void AddDictionaryNodeRef(string key, DictionaryNode node, bool fastWrite = false)
            {
                if (!_byamlNodeWriter._nameSet.Contains(key))
                {
                    _byamlNodeWriter._nameSet.Add(key);
                }

                _entries.Add((key, new Entry(ByamlNodeType.Dictionary, node.Submit(fastWrite))));
            }