@Override
      public boolean checkInput(String inputString) {
        for (NamedScope scope : holder.getPredefinedScopes()) {
          if (Comparing.strEqual(scope.getScopeId(), inputString.trim())) {
            return false;
          }
        }
        return inputString.trim().length() > 0;
      }
@Override
      public boolean checkInput(String inputString)