import type { H3Event } from 'h3';
export interface BuildMeta {
    buildId: string;
    pageCount: number;
    createdAt: string;
}
export interface StaleCheckResult {
    action: 'none' | 'restored' | 'marked_pending';
    buildId?: string;
    dbCount: number;
    dumpCount?: number;
    reason?: string;
    /** Number of pages marked pending due to hash change */
    changedCount?: number;
    /** Number of new pages added from dump */
    addedCount?: number;
    /** Number of sitemaps with errors reset */
    sitemapsReset?: number;
}
export declare const STALE_CHECK_INTERVAL_MS: number;
/**
 * Check if data is stale and handle restore/mark-pending
 * Called at start of cron - handles:
 * 1. Empty DB → restore from dump
 * 2. Build ID changed → compare hashes, only mark changed pages pending, add new pages from dump
 * Skips HTTP fetch if checked within 5 minutes and DB is populated
 */
export declare function checkAndHandleStale(event?: H3Event): Promise<StaleCheckResult>;