/**
  * Returns a list of items, which are currently captured.
  * 
  * @return Customweb_Payment_Authorization_ITransactionCapture[]
  */
 public function getCapturedLineItems()
 {
     $resultinItems = array();
     foreach ($this->getCaptures() as $capture) {
         $items = $capture->getCaptureItems();
         if ($items === null) {
             $lineItems = Customweb_Util_Invoice::getResultingLineItemsByDeltaItems($this->getTransactionContext()->getOrderContext()->getInvoiceItems(), $resultinItems);
             $items = Customweb_Util_Invoice::getItemsByReductionAmount($lineItems, $capture->getAmount(), $this->getCurrencyCode());
         }
         $resultinItems = Customweb_Util_Invoice::addLineItems($resultinItems, $items);
     }
     return $resultinItems;
 }