public ProtocolTreeNode(String tag, KeyValue attributes[], ProtocolTreeNode children[])
        {
            this.tag = tag;
            this.attributes = attributes;
            this.children = children;
            data = null;
        }

        public ProtocolTreeNode(String tag, KeyValue attributes[], ProtocolTreeNode child)
        {
            this.tag = tag;
            this.attributes = attributes;
            children = (new ProtocolTreeNode[] {
                child
            });
            data = null;
        }

        public ProtocolTreeNode(String tag, KeyValue attributes[], String data)
        {
            this.tag = tag;
            this.attributes = attributes;
            children = null;
            this.data = data;
        }

        public ProtocolTreeNode(String tag, KeyValue attributes[])
        {
            this.tag = tag;
            this.attributes = attributes;
            children = null;
            data = null;
        }