public override int GetHashCode()
{
int hash = 1;
if (primaryGuest_ != null)
{
hash ^= PrimaryGuest.GetHashCode();
}
hash ^= additionalGuests_.GetHashCode();
hash ^= contactPersons_.GetHashCode();
if (reservation_ != null)
{
hash ^= Reservation.GetHashCode();
}
return(hash);
}
