code: public function getCombination($tableName)
      {
          $combinations = $this->getCombinations();
          if (isset($combinations['byName'][$tableName])) {
              return $combinations['byName'][$tableName];
          }
  
          return null;
      }
docs: Retrieve a combination for a table.
  
  @param string $tableName The table name.
  
  @return array|null