public virtual bool Equals(ExternalContentNodeBase node) {
            if (node == null) 
            {
                return false;
            }

            return (this.uri == node.uri);
        }
        public virtual bool Equals(ExternalContentNodeBase node)
        {
            if (node == null)
            {
                return(false);
            }

            return(this.uri == node.uri);
        }