/**
* Performs persist operations for a specified payment token.
*
* @param \Magento\Vault\Api\Data\PaymentTokenInterface $entity The payment token.
* @return \Magento\Vault\Api\Data\PaymentTokenInterface Saved payment token data.
*/
public function save(Data\PaymentTokenInterface $paymentToken)
{
/** @var PaymentToken $paymentToken */
$this->resourceModel->save($paymentToken);
return $paymentToken;
}
