export interface BookingDisplayDateRangeSource {
    startDate?: string | null;
    endDate?: string | null;
    startsAt?: string | null;
    endsAt?: string | null;
}
/**
 * Booking-level dates are the operator-editable travel period. Item timestamps
 * are immutable booking-time snapshots and only fill dates for legacy records
 * that do not have the canonical booking fields populated.
 */
export declare function resolveBookingDisplayDateRange(booking: BookingDisplayDateRangeSource): {
    start: string | null;
    end: string | null;
};