code: public function getTables($schemaName = null)
      {
          $getTablesCommand = $this->container->get('rentgen.get_tables');
          if (null !== $schemaName) {
              $getTablesCommand->setSchemaName($schemaName);
          }
  
          return $getTablesCommand->execute();
      }
docs: Get tables information.
  
  @return Table[] Array of Table instances.