/**
  * Get Order debtor from order number
  *
  * @param integer $no
  * @return object
  */
 public function debtor($no)
 {
     $handle = $this->getHandle($no);
     $debtorHandle = $this->client->Order_GetDebtor(['orderHandle' => $handle])->Order_GetDebtorResult;
     $debtor = new Debtor($this->client_raw);
     return $debtor->getArrayFromHandles(['DebtorHandle' => $debtorHandle]);
 }