export declare function assertAvailabilityRecurrenceRule(recurrenceRule: string): void;
export declare function assertSlotTimingAndCapacity(input: {
    dateLocal: string;
    startsAt: string | Date;
    endsAt?: string | Date | null;
    timezone: string;
    unlimited?: boolean | null;
    initialPax?: number | null;
    remainingPax?: number | null;
}): void;