Doctrine\DBAL\DBALException::notSupported PHP Method

    public static function notSupported($method)
    {
        return new self("Operation '{$method}' is not supported by platform.");
    }

 /**
  * {@inheritdoc}
  */
 public function getIndexDeclarationSQL($name, Index $index)
 {
     // Index declaration in statements like CREATE TABLE is not supported.
     throw DBALException::notSupported(__METHOD__);
 }