import { GitSync } from '../git/sync.js';
export interface Reminder {
    id: string;
    username: string;
    deviceId: string;
    message: string;
    createdAt: string;
    dueAt: string;
    dismissed: boolean;
    webhook?: string;
}
export declare class ReminderManager {
    private sync;
    private key;
    private username;
    private deviceId;
    constructor(sync: GitSync, key: Buffer, username: string, deviceId: string);
    /**
     * Load all reminders from the sync repo.
     */
    private loadAll;
    /**
     * Save all reminders to the sync repo.
     */
    private saveAll;
    /**
     * Add a new reminder.
     */
    add(message: string, dueAt: Date, webhook?: string): Promise<Reminder>;
    /**
     * Get all pending (not dismissed) reminders for this user.
     */
    getPending(): Promise<Reminder[]>;
    /**
     * Get due reminders (dueAt <= now).
     */
    getDue(): Promise<Reminder[]>;
    /**
     * Dismiss a reminder by ID.
     */
    dismiss(id: string): Promise<void>;
    /**
     * Dismiss all due reminders and return them.
     */
    dismissDue(): Promise<Reminder[]>;
    /**
     * Remove old dismissed reminders (cleanup).
     */
    purge(olderThanDays?: number): Promise<number>;
}
/**
 * Parse a human-friendly duration/time string into a Date.
 * Supports: "30m", "2h", "1d", "morgen 9:00", "2026-04-20 14:00"
 */
export declare function parseReminderTime(input: string): Date;
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