public List<WebElement> getExpandedRows() {
        return getRowsWebElement().stream()
                .filter(rowElt -> PrimeSelenium.hasCssClass(rowElt, "ui-expanded-row-content"))
                .collect(Collectors.toList());
    }
Component wrapper for the PrimeFaces {@code p:dataTable}.
primefaces-selenium/primefaces-selenium-components/src/main/java/org/primefaces/selenium/component/DataTable.java