/**
  * Computes the present value curve sensitivity of a transaction.
  *
  * @param transaction The future option transaction.
  * @param curves The yield curve bundle.
  * @return The present value curve sensitivity.
  */
 public InterestRateCurveSensitivity presentValueCurveSensitivity(
     final BondFutureOptionPremiumTransaction transaction, final YieldCurveBundle curves) {
   ArgumentChecker.notNull(transaction, "transaction");
   ArgumentChecker.notNull(curves, "curves");
   final InterestRateCurveSensitivity premiumSensitivity =
       PVCSC.visit(transaction.getPremium(), curves);
   final InterestRateCurveSensitivity securitySensitivity =
       METHOD_SECURITY.priceCurveSensitivity(transaction.getUnderlyingOption(), curves);
   return premiumSensitivity.plus(
       securitySensitivity.multipliedBy(
           transaction.getQuantity()
               * transaction.getUnderlyingOption().getUnderlyingFuture().getNotional()));
 }