import { IEventRecurrenceService, RecurrencePattern, RecurrenceBounds, RecurrenceException, RecurrenceExpansionOptions, RecurrenceAnalysis, CalendarSystemSettings, RecurrenceOccurrence, RecurrenceModificationOptions } from '../interfaces/event-recurrence.interfaces';
import { CalendarEvent, EventRecurrence } from '../interfaces/event.interfaces';
/**
 * Implementation of event recurrence service
 * Handles recurring event generation and management
 */
export declare class EventRecurrenceService implements IEventRecurrenceService {
    private exceptions;
    private calendarSettings?;
    /**
     * Initialize recurrence service
     */
    initialize(calendarSettings?: CalendarSystemSettings): void;
    /**
     * Create recurrence pattern
     */
    createPattern(_baseEvent: CalendarEvent, pattern: RecurrencePattern, bounds: RecurrenceBounds): EventRecurrence;
    /**
     * Expand recurrence into occurrences
     */
    expandOccurrences(event: CalendarEvent, options: RecurrenceExpansionOptions): RecurrenceOccurrence[];
    /**
     * Expand recurrence into occurrences
     */
    expandRecurrence(event: CalendarEvent, options: RecurrenceExpansionOptions): RecurrenceOccurrence[];
    /**
     * Get next occurrence
     */
    getNextOccurrence(event: CalendarEvent, fromDate?: Date): RecurrenceOccurrence | null;
    /**
     * Get previous occurrence
     */
    getPreviousOccurrence(event: CalendarEvent, fromDate?: Date): RecurrenceOccurrence | null;
    /**
     * Add exception to recurring event
     */
    addException(masterEventId: string, exception: RecurrenceException): Promise<void>;
    /**
     * Remove exception
     */
    removeException(masterEventId: string, exceptionDate: Date): Promise<void>;
    /**
     * Modify recurring event
     */
    modifyRecurringEvent(eventId: string, changes: Partial<CalendarEvent>, options: RecurrenceModificationOptions): Promise<CalendarEvent[]>;
    /**
     * Delete recurring event
     */
    deleteRecurringEvent(eventId: string, options: RecurrenceModificationOptions): Promise<void>;
    /**
     * Analyze recurrence pattern
     */
    analyzeRecurrence(event: CalendarEvent): RecurrenceAnalysis;
    /**
     * Validate recurrence pattern
     */
    validatePattern(pattern: RecurrencePattern, bounds?: RecurrenceBounds): {
        isValid: boolean;
        errors: string[];
        warnings: string[];
    };
    /**
     * Parse RRULE string
     */
    parseRRule(rrule: string): RecurrencePattern;
    /**
     * Generate RRULE string
     */
    generateRRule(pattern: RecurrencePattern, bounds: RecurrenceBounds): string;
    /**
     * Get human-readable description
     */
    getRecurrenceDescription(pattern: RecurrencePattern, bounds: RecurrenceBounds, locale?: string): string;
    /**
     * Find conflicting occurrences
     */
    findConflictingOccurrences(event: CalendarEvent, existingEvents: CalendarEvent[], startDate: Date, endDate: Date): Array<{
        occurrence: RecurrenceOccurrence;
        conflicts: CalendarEvent[];
    }>;
    /**
     * Optimize recurrence pattern
     */
    optimizePattern(pattern: RecurrencePattern): RecurrencePattern;
    /**
     * Get recurrence statistics
     */
    getRecurrenceStats(events: CalendarEvent[]): {
        totalRecurring: number;
        averageOccurrences: number;
        mostCommonPattern: string;
        complexityDistribution: Record<string, number>;
    };
    /**
     * Add missing method for tests - modifyOccurrence
     */
    modifyOccurrence(eventId: string, occurrenceDate: Date, modifications: Partial<CalendarEvent>, options: RecurrenceModificationOptions): {
        success: boolean;
        modifiedEvents: CalendarEvent[];
        splitEvent?: CalendarEvent;
    };
    /**
     * Add missing method for tests - detectRecurrenceConflicts
     */
    detectRecurrenceConflicts(event: CalendarEvent, existingEvents: CalendarEvent[]): Array<{
        conflictingEvent: CalendarEvent;
        occurrence: RecurrenceOccurrence;
    }>;
    /**
     * Add missing method for tests - getRecurrenceStatistics
     */
    getRecurrenceStatistics(event: CalendarEvent): {
        totalDuration: number;
        averageGapDays: number;
        patternComplexity: number;
        estimatedEndDate?: Date;
    };
    /**
     * Add missing method for tests - isOccurrence
     */
    isOccurrence(event: CalendarEvent, date: Date): boolean;
    private mapPatternTypeToFrequency;
    private mapEventRecurrenceToPattern;
    private mapEventRecurrenceToBounds;
    private matchesRecurrence;
    private getNextDate;
    private getPreviousDate;
    private calculateFrequencyPerYear;
    private calculateComplexityScore;
    private parseDaysOfWeek;
    private dayNumberToString;
    private eventsOverlap;
    private getIntervalInMs;
}