final ZonedDateTime maturityDate = security.getMaturityDate();
final double notional = security.getNotional();
final double strike = security.getStrike();
final boolean isKnockOut = security.isKnockOut();
final boolean isPayer = security.isPayer();
final CDSOptionExerciseType optionExerciseType = convertExerciseType(security.getExerciseType());
final FinancialSecurity underlyingSecurity = (FinancialSecurity) _securitySource.getSingle(ExternalIdBundle.of(security.getUnderlyingId())); //TODO version correction
final CreditDefaultSwapDefinition underlyingCDS = underlyingSecurity.accept(_underlyingConverter);
// underlyingCDS = underlyingCDS.withMaturityDate(maturityDate.plusYears(10));
// underlyingCDS = underlyingCDS.withEffectiveDate(maturityDate.plusDays(1));
// underlyingCDS = underlyingCDS.withStartDate(maturityDate);