public static HtmlString MakeImpersonateSinglePageHtmlLink(Person personToImpersonate)
        {
            if (personToImpersonate == null)
            {
                return(new HtmlString(String.Empty));
            }

            string theLinkUrl = ImpersonateUserSinglePageUrlTemplate.ParameterReplace(personToImpersonate.PersonID);

            string linkHtmlTemplate = "<span class=\"glyphicon glyphicon-{0}\" aria-hidden=\"true\" title=\"Impersonate {1}\"></span>";
            // I wish Bootstrap offered a "domino" or mask icon, but this is all I could come up with quickly. Feel free to change these! -- SLG
            string linkHtml = String.Format(linkHtmlTemplate, "user", personToImpersonate.GetFullNameFirstLast());
            // Controller is actually irrelevant here
            string theHref = SitkaRoute <UserController> .BuildLinkFromUrl(theLinkUrl, linkHtml, $"impersonate user {personToImpersonate.GetFullNameFirstLast()}");

            return(new HtmlString(theHref));
        }