abstract class FoxObject : ICloneable
    {
        public int lineNumber;
        public string line, name;
        public FoxObject parent;
        public List<FoxObject> children;
        private Guid guid;

        protected FoxObject(int lineNumber, string line, string name, FoxObject parent, List<FoxObject> children)
        {
            this.lineNumber = lineNumber;
            this.line = line;
            this.name = name;
            this.parent = parent;
            this.children = children;
            guid = Guid.NewGuid();
        }

     //Code not relevant to this question.
    }