String prefix = it.next().toString();
String prefix = (String) it.next();
	public FragmentStreamReader(XMLStreamReader parent) {		super(parent);		rootPrefixes = new ArrayList();		NamespaceContext ctx = getParent().getNamespaceContext();		if (ctx instanceof ExtendedNamespaceContext) {			Iterator it = ((ExtendedNamespaceContext) ctx).getPrefixes();			while (it.hasNext()) {				String prefix = it.next().toString();				rootPrefixes.add(prefix);			}		}	}