export interface HotelPeriodInput {
    nights?: number[];
    num_rooms: number;
    rate_per_night: number;
}
export interface HotelExtraInput {
    quantity: number;
    rate: number;
    nights?: number[];
    scale_by_rooms?: boolean;
}
export declare function computeHotelStayTotal(periods: HotelPeriodInput[] | undefined | null, extras: HotelExtraInput[] | undefined | null): number;