code: protected function execute(InputInterface $input, OutputInterface $output)
      {
          try {
              $this->schema->addToSchema($this->connection->getSchemaManager()->createSchema());
          } catch (SchemaException $e) {
              $output->writeln('Aborting: '.$e->getMessage());
  
              return 1;
          }
  
          foreach ($this->schema->toSql($this->connection->getDatabasePlatform()) as $sql) {
              $this->connection->exec($sql);
          }
  
          $output->writeln('ACL tables have been initialized successfully.');
      }
docs: {@inheritdoc}