Cancellation
public CancellationPolicy.Builder CancellationPolicy.Builder(WaiverPolicy waiverPolicy, Boolean cancellableOnline, Boolean refundable, Boolean freeCancellation, OffsetDateTime freeCancellationEndDateTime, List<CancellationPenaltyRule> cancellationPenaltyRules, String cancelPolicyDescription, List<NonRefundableDateRange> nonRefundableDateRanges)