code: public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException
      {
          RendererUtils.checkParamValidity(facesContext, component, UIData.class);
  
          beforeBody(facesContext, (UIData) component);
  
          encodeInnerHtml(facesContext, component);
  
          afterBody(facesContext, (UIData) component);
      }
docs: Render the TBODY section of the html table. See also method encodeInnerHtml.
  
  @see javax.faces.render.Renderer#encodeChildren(FacesContext, UIComponent)