QueryPageInterface qpi = (QueryPageInterface)pageForConfigurationNamed(pageConfiguration, returnPage().session());
QueryPageInterface qpi = (QueryPageInterface)pageForConfigurationNamed(pageConfiguration);
        public WOComponent firstPage(String pageConfiguration) {            QueryPageInterface qpi = (QueryPageInterface)pageForConfigurationNamed(pageConfiguration, returnPage().session());            qpi.setNextPageDelegate(this);            return (WOComponent) qpi;        }