import type { RecurrencePattern, EventOccurrence, RecurrenceUpdate, EventWithCalendar } from './types.js';
export declare class RecurrenceEngine {
    parseRRule(rruleString: string): RecurrencePattern;
    generateOccurrences(event: EventWithCalendar, startDate: Date, endDate: Date): Promise<EventOccurrence[]>;
    createRRule(pattern: RecurrencePattern): string;
    updateRecurringSeries(event: EventWithCalendar, update: RecurrenceUpdate): Promise<void>;
    handleException(event: EventWithCalendar, date: Date, _changes: Partial<EventWithCalendar>): Promise<void>;
    validatePattern(pattern: RecurrencePattern): boolean;
    getDescription(pattern: RecurrencePattern): string;
    private expandPattern;
}
export declare const recurrenceEngine: RecurrenceEngine;
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