docs: public static boolean isValueReference(String value)
      {
          if (value == null)
          {
              throw new NullPointerException("value");
          }
  
          int start = value.indexOf("#{");
          if (start < 0)
          {
              return false;
          }
  
          int end = value.lastIndexOf('}');
          return (end >= 0 && start < end);
      }