public DocumentSet preselect(DocumentSet inDocs) throws XPathException { return super.preselect(inDocs);
public DocumentSet preselect(DocumentSet inDocs, StaticContext context) throws XPathException { return super.preselect(inDocs, context);
	public DocumentSet preselect(DocumentSet inDocs) throws XPathException {		return super.preselect(inDocs);	}