/**
 * Calendar service — ICS/iCalendar parsing.
 *
 * Extracts structured calendar events from ICS content using node-ical.
 */
import type { CalendarEvent } from '../types/index.js';
export default class CalendarService {
    /**
     * Parse ICS text content into structured CalendarEvent objects.
     */
    static parseIcs(content: string): CalendarEvent[];
    /**
     * Extract calendar events from raw email body parts.
     * Accepts an array of ICS content strings (from inline text/calendar parts
     * or downloaded .ics attachments).
     */
    extractFromParts(icsContents: string[]): CalendarEvent[];
    private static parseOrganizer;
    private static parseAttendees;
    private static normalizeStatus;
}
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