/**
  * {@inheritdoc}
  */
 public function dump(OutputInterface $output, HelperSet $helperSet)
 {
     $output->writeln("<info>Useable field filters...</info>");
     $rows = [];
     foreach ($this->registry->getFieldFilters() as $filter) {
         $class = get_class($filter);
         $operators = implode(', ', $filter->getOperators());
         foreach ($filter->getFields() as $field) {
             $rows[] = [$field, $operators, $class];
         }
     }
     $headers = ['field', 'operators', 'filter_class'];
     $table = $helperSet->get('table');
     $table->setHeaders($headers)->setRows($rows);
     $table->render($output);
 }