<?xml version="1.0" encoding="utf-8"?><HelpTOCNode Title="PrtNullType Methods" Url="html/1aef9def-1529-730b-310f-9eb0729a7307.htm"><HelpTOCNode Title="ToString Method " Url="html/cdafb385-ea31-5547-6f07-f9f10ffd2721.htm" /></HelpTOCNode>