@Override
public SimpleInstrumentDefinition<?> visitFXFutureSecurity(final FXFutureSecurity security) {
Validate.notNull(security, "security");
final ZonedDateTime expiry = security.getExpiry().getExpiry();
final double referencePrice = 0;
return new SimpleFXFutureDefinition(expiry, expiry, referencePrice, security.getNumerator(), security.getDenominator(), security.getUnitAmount());
}