public Node insertAfter(NodeList nodes, Node refChild) throws DOMException {
public void insertAfter(NodeList nodes, Node refChild) throws DOMException {
	public Node insertAfter(NodeList nodes, Node refChild) throws DOMException {		if (!(refChild instanceof NodeImpl))			throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, "wrong node type");		NodeImpl ref = (NodeImpl) refChild;		long next, last = -1;		int idx = -1;		for(int i = 0; i < children; i++) {			next = childList[i];			if (StorageAddress.equals(ref.internalAddress, next)) {				last = next;				idx = i + 1;				break;			}		}		if (last < 0)			throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "reference node not found");		NodeImpl prev = getLastNode((NodeImpl) broker.objectWith(new NodeProxy(this, 0, last)));		for (int i = 0; i < nodes.getLength(); i++) {			prev = (NodeImpl) appendChild(prev, nodes.item(i));			++children;			resizeChildList();			childList[idx] = prev.internalAddress;		}		broker.storeDocument(this);		return prev;	}