/**
 * Zero-dependency iCalendar (.ics) parser, generator, and REPLY builder.
 * Handles RFC 5545 (iCalendar) and RFC 6047 (iMIP) formats.
 *
 * @module ics-parser
 */
import type { CalendarEvent } from "./types.js";
/**
 * Parse iCalendar (.ics) content and extract all VEVENT entries.
 *
 * @param content - Raw .ics file content
 * @returns Array of parsed calendar events
 */
export declare function parseIcsContent(content: string): CalendarEvent[];
/**
 * Generate a valid iCalendar (.ics) string from a CalendarEvent.
 *
 * @param event - Calendar event to serialize
 * @returns RFC 5545 compliant iCalendar content
 */
export declare function generateIcs(event: CalendarEvent): string;
type ResponseStatus = "accept" | "decline" | "tentative";
/**
 * Generate an iCalendar REPLY for responding to a calendar invite.
 * Per RFC 6047 (iMIP), the REPLY contains:
 * - METHOD:REPLY at the VCALENDAR level
 * - The original event UID, DTSTART, DTEND, SUMMARY, ORGANIZER
 * - The attendee with their PARTSTAT set to ACCEPTED/DECLINED/TENTATIVE
 *
 * @param event - The original calendar event from the invite
 * @param attendeeEmail - The responding attendee's email address
 * @param response - The response type: accept, decline, or tentative
 * @returns RFC 5545/6047 compliant iCalendar REPLY content
 */
export declare function generateReplyIcs(event: CalendarEvent, attendeeEmail: string, response: ResponseStatus): string;
export {};
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