render method
Implementation
String render(String text) {
  String renderedText = text;
  while (true) {
    final hasMatch = _kMustacheVariableRegex.hasMatch(renderedText);
    if (hasMatch) {
      renderedText = Template(
        renderedText,
        lenient: true,
        htmlEscapeValues: false,
      ).renderString(renderData);
    } else {
      break;
    }
  }
  return renderedText;
}