code: @Override
      public ListDomainNamesResult listDomainNames(ListDomainNamesRequest request) {
          request = beforeClientExecution(request);
          return executeListDomainNames(request);
      }
docs: <p>
  Returns the name of all Elasticsearch domains owned by the current user's account.
  </p>
  
  @param listDomainNamesRequest
  @return Result of the ListDomainNames operation returned by the service.
  @throws BaseException
  An error occurred while processing the request.
  @throws ValidationException
  An exception for missing / invalid input fields. Gives http status code of 400.
  @sample AWSElasticsearch.ListDomainNames