code: function setProtectedText(node, text) {
      if (text instanceof ProtectedValue) {
          node.protectedValue = text;
          node.setAttribute(XmlNames.Attr.Protected, 'True');
      } else {
          setText(node, text);
      }
  }
docs: Sets node protected text
  @param {Node} node
  @param {ProtectedValue|string} text