protected NodeProxy getFirstParent(NodeProxy node, long gid, boolean includeSelf) { return getFirstParent(node, null, includeSelf, 0);
protected NodeProxy getFirstParent( NodeProxy node, long gid, boolean includeSelf) { return getFirstParent(node, null, includeSelf, true, 0);
	protected NodeProxy getFirstParent(NodeProxy node, long gid, boolean includeSelf) {		return getFirstParent(node, null, includeSelf, 0);	}