CostConfiguration: {
    costSchedule: CostPerThreshold[];
    focQuantity: number;
    hostGroundTransferCost: number;
    hostSelectedOptionalServices?: PricingCalculator.HostSelectedOptionalServices[];
    minimumSpots?: number;
    originalCostSchedule: CostPerThreshold[];
    prices?: Prices;
    roomsQuantity: number;
    singleSupplementPrice: number;
    startDate: Date;
    tripLength: number;
    workshops: WorkshopSpace[];
}

Type declaration