code: public static String unmappedUrl(SlingHttpServletRequest request, String path) {
          return LinkUtil.getUnmappedUrl(request, path);
      }
docs: Builds the URL for a repository path using the LinkUtil.getUnmappedURL() method.
  
  @param request the current request (domain host hint)
  @param path    the repository path
  @return the URL built in the context of the requested domain host