import { type RateLimiterStore } from './stores/index.js';
import type { RequestEvent } from '@sveltejs/kit';
import { RateLimiter, type RateLimiterOptions } from './rateLimiter.js';
export declare class RetryAfterRateLimiter<Extra = never> extends RateLimiter<Extra> {
    private readonly retryAfter;
    constructor(options?: RateLimiterOptions, retryAfterStore?: RateLimiterStore);
    private static toSeconds;
    /**
     * Clear all rate limits.
     */
    clear(): Promise<void>;
    /**
     * Check if a request event is rate limited.
     * @param {RequestEvent} event
     * @returns {Promise<limited: boolean, retryAfter: number, reason: 'IP' | 'IPUA' | 'cookie' | number>} Rate limit status for the event.
     */
    check(event: RequestEvent, extraData?: Extra): Promise<{
        limited: false;
        retryAfter: 0;
    } | {
        limited: true;
        retryAfter: number;
        reason: 'IP' | 'IPUA' | 'cookie' | number;
    }>;
}