docs: protected void renderTableHeaderRow(FacesContext facesContext, ResponseWriter writer, UIComponent component,
              UIComponent headerFacet, String headerStyleClass, int colspan) throws IOException
      {
          renderTableHeaderOrFooterRow(facesContext, writer, component, headerFacet, headerStyleClass, 
                  determineHeaderCellTag(facesContext, component),
                  colspan, true);
      }