protected function stage_bank_code(GatewayType $adapter, $normalized, &$stagedData)
 {
     $submethod = $adapter->getPaymentSubmethod();
     if ($submethod) {
         $meta = $adapter->getPaymentSubmethodMeta($submethod);
         if (isset($meta['bank_code'])) {
             $stagedData['bank_code'] = $meta['bank_code'];
         }
     }
 }