public NodeProxy get(int pos) { if (pos >= counter || pos < 0)
public NodeProxy get(DocumentImpl doc, long nodeId) { sort(); int pos = search(nodes, 0, counter - 1, doc, nodeId); if (pos < 0) {
	public NodeProxy get(int pos) {		if (pos >= counter || pos < 0)			return null;		sort();		return nodes[pos];	}