static SaxonXBeansDelegate.SelectPathInterface createInstance(String xpath,
    Map namespaceMap) 
{
        bInstantiated = true;
        if (_constructor == null)
            return null;
        try
        {
            Object defaultNS = namespaceMap.get(XPath._DEFAULT_ELT_NS);
            if ( defaultNS != null )
                namespaceMap.remove( XPath._DEFAULT_ELT_NS );
            return (SaxonXBeansDelegate.SelectPathInterface)
                    _constructor.newInstance(new Object[] {xpath,namespaceMap,(String)defaultNS});
        }
        catch (Exception e)
        {
            throw new RuntimeException(e);
        }
}

 static SaxonXBeansDelegate.QueryInterface createQueryInstance(String query,
    String contextVar,
    int boundary) 
{
        if (_xqConstructor == null)
            return null;
        try
        {
            return (SaxonXBeansDelegate.QueryInterface)
                    _xqConstructor.newInstance(new Object[] {query,contextVar,new Integer(boundary)});
        }
        catch (Exception e)
        {
            throw new RuntimeException(e);
        }
}