docs: protected void renderARIACombobox(FacesContext context, UIInput component) throws IOException {
          ResponseWriter writer = context.getResponseWriter();
          writer.writeAttribute("role", "combobox", null);
          writer.writeAttribute(HTML.ARIA_HASPOPUP, "true", null);
          writer.writeAttribute(HTML.ARIA_EXPANDED, "false", null);
      }