docs: @Trivial
      public static String normalizeDescendentPath(String path) {
          if (path == null || path.length() == 0)
              return "";
  
          path = normalizeRelative(path);
  
          if (path.startsWith(".."))
              throw new MalformedLocationException("Can not reference \"..\" when creating a descendant (path=" + path + ")");
  
          return path;
      }