@Override
        public @NlsContexts.DetailedDescription @Nullable String getErrorText(String inputString) {
          if (!checkInput(inputString)) {
            return ExecutionBundle.message("message.console.folding.rule.string.cannot.be.empty");
          }
          return null;
        }
@Override
        public @NlsContexts.DetailedDescription @Nullable String getErrorText(String inputString)