code: function(oRm, sParentId, sId, sText, aCSSClasses) {
  		aCSSClasses = aCSSClasses || [];
  		aCSSClasses.push("sapUiInvisibleText");
  
  		oRm.write("<span");
  		oRm.writeAttribute("id", sParentId + "-" + sId);
  		oRm.writeAttribute("class", aCSSClasses.join(" "));
  		oRm.writeAttribute("aria-hidden", "true");
  		oRm.write(">");
  		if (sText) {
  			oRm.writeEscaped(sText);
  		}
  		oRm.write("</span>");
  	}
docs: /*
  Renders a hidden element with the given id, text and css classes.